454 Mpg Improvements
As a result, the dash from 0-60 mph now went by in 7. EPA MPG Owner MPG Estimates 1986 Chevrolet C10 Pickup 2WD 6 cyl, 4. Don’t Block or Remove the EGR Valve, It’s Saving You Money Typical Older EGR Valve The EGR Valve (Exhaust Gas Recirculation) valve is found on almost all modern engines and is considered part of the emissions package of your vehicle. On the coil-in-cap GM HEI, the coil is located on top of the distributor between the plug wire towers under a plastic cover. I do have to say I am amazed that a K&N gave you a 30% increase in mpg. Speed was generally 58-60 mph. Official Google Search Help Center where you can find tips and tutorials on using Google Search and other answers to frequently asked questions. This information should be used as a guide only. However, most drivers are going to want a better economy than overall performance. Comes with a 30 day money back guarantee and 1 year limited manufacturer warranty. The first numerical, in this case, 5 and 10, are indicating how easy it is for the oil to flow through the engine at low temperatures. Other than miscellaneous trim and option package names, the models are completely interchangeable between the divisions. 7 L (350) engine be enough to do the job? I hear the Chevy 6. To calculate Imperial MPG and Gallons plus use the converter on the Motorcycle Fuel Economy Index Page Personal motorcycle ratings are not official or my not be indicitive of every model for that year. Building on the popularity of its 427-cubic-inch engine, General Motors introduced the 454 in 1970—one year before emissions standards were tightened and just three years before the gas crisis hit with full force. Custom built engines for muscle cars 800-326-6554. 2L gas engine on F-350. Also, my 94 350 TBI, all stock, only gets 12 MPG. Compare the estimated mpg to the estimated mpg of other vehicles. The distributor cap doesn't sound like such an important part, but it is integral to the performance of your car's engine. Sharing the 454’s 4. 00-inch stroke to 4. Suspension IV: Improving Your Suspension article on Edmunds. Still, there is. Located in Cross Lanes, WV, your local Lowe’s has everything you need for your next job or home improvement project. Hey Mark your speed at 3,000 rpm's is great I run that at about 3400 to 3500 rpm's and burn 30 to 33 gph depending on conditions I would check to see what rpms you get at WOT also I would check the advance weights in your distributors if you still have the old ones in, I rebuilt my Qjets probably 10 years ago but they are ready for replacement, the shafts get worn on the bottom. Browse Corvettes for sale by series or by year made. Aftermarket headers can be bolted in place of the stock cast-iron headers. 96 and up have the multi port fuel injection vortec which definitely helps fuel economy. The engine was a slightly hopped up version of the current 454ci big-block Chevy had in its production line. (When I was running a stock 360 I normally managed about 13 miles to the gallon. I dont want to return it. chevy diesel 4x4 in Roswell, New Mexico at AmericanListed. I started with replacing the coil on mine (which appeared to be the same one as used on Model A's - mustard colored top). Gas mileage? maybe 12, more like 9 or 10. Gets between 6. One is window stickers only indicate EPA gas mileage figures for stock (3. Due to the current state of the economy I cannot afford this for too much longer. (better durability though). One you might miss something and two on much the route, you will not maintain a good speed. Watch this video to learn how we at the Department of General Services work hard every day to improve the way California does business. Low end though, the 454 is so much nicer to drive. While today’s vehicles are more fuel efficient compared to those of years ago, there are still additional measures you can take to further enhance fuel economy. Scan through our full selection, select a sub-category below, or use our vehicle categories on the left to choose the part or system that is perfect for you. Aftermarket headers can be bolted in place of the stock cast-iron headers. Well i don't much care about MPG's. My 97 454 has a rough idle as well, I also tried a bunch of things that haven't fixed it. ) I am wondering if this is all I should expect with a 460 or should I consider an Edelbrock carb to possibly improve the mileage?. Words And Photos: Richard Holdener If you look through the pages of most performance magazines, you’d swear that the Chevy marketing machine is paying top dollar to ensure their big block gets the lion’s share of the exposure. Best thing I ever did. While it's easy to take the truck to the mechanic, tune ups are fairly. (infact my wife drives an 03 trail blazer LTZ). the benefits and how long it will take you to break even. 40 gallon gas tank. Edmunds also has Chevrolet Suburban pricing, MPG, specs, pictures, safety features, consumer reviews and more. The engine was a slightly hopped up version of the current 454ci big-block Chevy had in its production line. not a high rpm engine, which is why hp numbers are low. 1 & 5 speed allison trans. Install one or more of our Ford gas motorhome aftermarket upgrades and see what your motorhome can really do. He is the type of person what buys the carburetor at the first and then build everything else from his rig around it, Well, he saw my new carburettor and the only thing he had to say was. David PS I do run Mobil 1and Andy's tune, which is well worth the price of admission. Hey guys, just did the spider upgrade on my 97 5. Programmed here at Hydrogen Water Cars specifically for your vehicle. Motorcraft made quite a few improvements to the carbs in the name of power, fuel economy, and emissions, all of which improve together. You could probably get a lot of extra gas mileage out of a WRX by chipping it, but the performance will go down a lot. ) I am wondering if this is all I should expect with a 460 or should I consider an Edelbrock carb to possibly improve the mileage?. I'd prefer to be looking for a 350 Vortec in a K2500, but this 454 truck is spotless and the price may be right. I would like the biggest bang for the $. also the ratio plays a big part in all this. Typically the centrifugal advance weights wear their pivot holes into an "oval" or eat a trench into their pivot pins OR BOTH. The defective Chevy fuel pumps can cause a stalling condition or a no start situation that can leave you stranded. Count on an aftermarket supercharger for gas engines to improve fuel economy and cut down on emissions, while a turbocharger puts fire in your diesel-drinker’s belly for unparalleled horsepower and torque gains. 18/32” tread pattern provides excellent traction and long mileage in regional and local service. POWER TUNE = spark timing and fuel remapped for more hp/torque. , keep your foot off the gas as much as possible, etc. 06 mpg with the ProCharger. How to Make a Chevy 454 Vortec More Efficient by Richard Rowe Also known as the Vortec 7400 (7. I would be willing to bet that a well prepared 400 small block would be a big improvement over the stock 454. Not intended for true racing durability, it lacked the bottom end features of the side-oiler 427. Our team of knowledgeable enthusiasts can provide experienced guidance on the best options for every application. Full-sized Chevrolet truck gas mileage has increased over the years thanks to innovations such as the Active Fuel Management feature which switches the engine to run on four cylinders when idling and improvements in fuel injection systems. Hoping to improve the gas mileage, I have focused on the ignition system as most vehicles had poor ones in those days. A 60 second plug-n-play install is all it takes to increase the performance and mileage of your vehicle. ) I am wondering if this is all I should expect with a 460 or should I consider an Edelbrock carb to possibly improve the mileage?. I'd prefer to be looking for a 350 Vortec in a K2500, but this 454 truck is spotless and the price may be right. I hope you find the information below helpful. This is a hydraulic flat tappet which is used for the mild street to mild race performance. The industry-leading technology of the 787 Dreamliner is creating remarkable opportunities for airlines around the world and dramatically improving the air travel experience. 4 A special procedure must be followed to check or adjust timing. 2 when I am towing. for conventional trailers, this rig is qualified to conquer even the most challenging jobs. It's this easy: Find a lonely straight road, preferably a drag strip. I have always owned chevys. Instant access to millions of Study Resources, Course Notes, Test Prep, 24/7 Homework Help, Tutors, and more. During this period a total of 358,180 C4 Corvettes were purchased. I spoke with an ex-454 owner last night via telephone. But it will be doing some offroading though. You've probably already tried the simple things you can do to suck more miles out of a full tank, like avoiding unnecessary idling, eliminating quick accelerations, and making sure your tire pressure is correct. Drag Racing is a sport enjoyed by many. Otherwise normal running w/ interstate traffic @ 75 mph seems to lower highway mileage to the point about equal to mixed city/hwy driving. I don't think you are going to improve the motorhome with the listed updates (other than a diesel/OD conversion possibly). The general consensus is the best thing you can do to improve your mileage is buy a scanguage to monitor your mpg's in real time and adjust your driving accordingly. You may get different mileage depending on how fast you drive, weather conditions and trip length. Second, your car will not run correctly, whether you notice it or not. I know about all the basics - keep tire pressure up, new plugs/wires, etc. So don't expect a performance muffler alone to solve all your woes. The Official Home page for the Iowa Department of Natural Resources, DNR. Sea Form is usable for either gasoline or direct oil injection. Ethanol-Free Premium Gasoline can improve mileage, provide better performance and safer operation for classic cars and recreational vehicles, such as personal watercraft, boats, and motorcycles, as well as lawn and farm equipment. The issuing authority shall pay any witness fees, travel expenses, mileage, and other fees required by the service statutes of the state in which the witnesses or evidence are located. In addition, The interior will be even roomier and comfier than 1969 as designers continued to tweak for comfort of the driver and passenger. You can also choose from performance and custom GM 454 engines designed to be compatible with your Chevrolet vehicle. Goldfarb School of Nursing at Barnes-Jewish College in St. (When I was running a stock 360 I normally managed about 13 miles to the gallon. So this is overall a pretty high spec plug for a relatively low price tag. How can you reduce the cost? The obvious answer is drive less. Re: 454 engine improvements for better mileage Post by FC-Pilot » Tue Apr 17, 2018 5:08 pm My old 454 crew cab Dually picked up 1. The headers remove the heat that was created by the old cast iron manifolds. 5 to 1 while normal cruising the ration should be 15 or 16 to 1 for maximum fuel economy and the engine runs neither too rich or too lean. Choose a type: If you prefer OEM 454 engines you can choose from those made by the original equipment manufacturer. To learn more about the universal fuel pump or to find fass fuel system dealers, contact us today!. Improving performance, fuel economy, drive-ability and reliability are all important, and we strive to help 6. The improvement that will be Read more2020 Chevy Chevelle SS 454 Price & Release Date. The 454 gets very horrible gas mileage. I currently get about 5 mpg, but can get 7 if I keep it at 55mph or less. Is there a way to improve the mileage at ALL? I've heard of people advancing the timing on these motors to improve mileage. 42 rear end for highway driving. But how does one become competitive? What are the most important things to know? It can take some people years to get the information they need. You may get different mileage depending on how fast you drive, weather conditions and trip length. Luckily Its a light weight aluminum cap so I can take if off easily for every day driving, and put it back on when i need it. Traded to a 2003 Pace arrow w/8. Fusion Auto Finance is a full-service remarketing company that develops turn-key auto leasing programs with credit unions. View the most accurate Chevrolet 0-60 times and 1/4 mile times for all Chevrolet models from the most popular car magazine sources. 5 mpg gas mileage. I would get a 7. An engine like the one in your car has four stroke: Intake, compression, combustion and exhaust. The issuing authority shall pay any witness fees, travel expenses, mileage, and other fees required by the service statutes of the state in which the witnesses or evidence are located. 0 (396) doesn't get much better mileage than the 454. Budget Modifications Post your improvements with a tight budget in mind that netted more performance, handling, braking, creature comfort, fuel mileage, and so on. If I was in the market for the new RAV4, this is the one I’d get. Systems like the Volant Intake produce average gains of about 1-2 miles per gallon. 7 TBI, throttle body injection motor. 5 MPG but if you do just a full magnaflow system with a high flow catalytic convertor you will get 3 MPG better, the truck had that on when i got it. If so, stop by the Hypertech booth (#20613 in the Performance section of Central Hall) and discover the new Hypertech. Several years ago I swapped out my TBI 454 in an 89 V-3500 for the HT502. Performance Rocker Arm History See more from Engine Builder Many European and Asian engines have been using overhead cams for years, so when Ford opted to go the overhead cam route with their 4. Gas mileage for 1998 suburban 2500 454? 13 for a big block i think that is pretty good. I have always owned chevys. Just keep it stock, stock tires and keep with maintenance clean the egr vavle, run some seafoam through the intake to clean some of the carbon buildup out thats restricting flow, keep tires at right psi, ect. By performing some simple maintenance procedures and changing our driving habits a little we can save a significant amount of fuel. 2 most significant things I've noted related to fuel economy are: 1. 85-inch (98 mm) crankshaft stroke of the 460 cu in (7. 4L 454 is an 8-cylinder engine. Cng/LPg gaseous engine Prep Package available for 6. BULLY DOG BIG RIG. EPA estimated fuel economy. The 454 gets very horrible gas mileage. Find local 2000 GMC Sierra prices online. 1 litre naturally aspirated 8 cylinder motor, with 2 valves per cylinder that provides power and torque figures of 270 bhp (274 PS/201 kW) at 4800 rpm and 454 N·m (335 lb·ft/46. Our focus here at The Diesel Page has always been to expand the knowledge base for these engines and to improve ownership satisfaction. 6mm or about 1/16 inch longer than most replacement fuel injectors for the GM 7. We call it the Dreamliner effect. 5L diesel owners achieve those goals. The site gives mileage improvement % over stock so you can do the math. Along with that I would like to improve its overall performance. 5 united miles per dollar on everyday purchases (also csp has united as a transfer partner), so I decided to say goodbye to my UA card because I can earn United miles from other chase products. 7 or a diesel myself. The Ford Triton V10 engine is associated with high fuel consumption in comparison with other engines. traded in my real nice 05 crew cab silverado 1500 adventure edition 5. If you're here, you heard about us from your family or friend. Just gotta say this is one of the dumbest responses to a question I've seen on the forums. The engine was a slightly hopped up version of the current 454ci big-block Chevy had in its production line. I get just a hair over 10 miles to the gallon. Slicks increase stress, where as smoking street tires ease this load on the drive train. JEGS offers a wide selection of high-performance crate engines for Ford, GM, Mopar, and custom applications from some of the top engine builders: Ford Racing, Chevrolet Performance, Blueprint Engines, and more. The X15 Efficiency Series has the best fuel economy of any big-bore engine in the industry, delivering up to 3. 3L V8 Automatic/ Manual Transmission 2 & 4WD 2/ 3/ 4 Door Extended Cab-Short Bed. This kit will dramatically improve the towing capabilities of your truck, as the HT502 is a direct bolt-in replacement for any high-mileage 454. I have several friends with motor homes and I am daily driving a 454 Suburban. what can i do to better my mileage? Let's do this cheapest to most expensive: What kind of gas do you use?. The site gives mileage improvement % over stock so you can do the math. Fortunately, it’s easy for practically any motorhome to get better gas mileage. 18/32” tread pattern provides excellent traction and long mileage in regional and local service. I am considering having a smaller engine installed in it to improve the 7. On the Allegro we got between 8. Can I Improve My Vehicle's Fuel Mileage? GET BETTER GAS MILEAGE - IMPROVING YOUR FUEL ECONOMY Superchips' sophisticated performance electronics are designed to enhance your performance - from fuel economy to towing to racing; we have the products to meet your needs. 7 NON Vortec engine and that when Vortec’s came out in 96 were all 5. Most of my professional life as a pediatrician and medical educator had been pretty predictable. Fusion Auto Finance is a full-service remarketing company that develops turn-key auto leasing programs with credit unions. ‡ With optional trailer hitch. Exhaust upgrades are usually expected to result in increased power and improved fuel economy. Low end though, the 454 is so much nicer to drive. Low-Mileage, All-Original 1994 Ford Lightning Up For Grabs The Ford SVT Lightning was created with the sole purpose of taking on the Chevrolet 454 SS, and not only did Ford's sport truck. I started with replacing the coil on mine (which appeared to be the same one as used on Model A's - mustard colored top). 00 per gallon results in an increase of $1,714 - certainly significant. I do believe the 454 LX efi does have the peanut port heads but I don't think they are 330 hp either. 080 takes the same voltage to fire that or stock as long as plugs in decent condition w0 overdrive i usually pull 18 MPG doing a car with 3. ROUSH ROUSHcleantech. MOTORHOMES - (*)These prices include generator, water heater, roof air, awning and exterior entertainment center. The lower the load is the more it will advance the timing. Whether you’re towing a trailer or driving a motor home there are many ways to improve fuel economy. Got 10mpg on one trip towing a 2001 Grand Cherokee also. What Are The Reasons of Oil Consumption? One of the dreaded things car owner face is oil consumption. Custom built engines for muscle cars 800-326-6554. Let your concentration wander over the truly fast cars of today, the 454 Corvettes, 911 Porsches, Panteras and Jaguar V-12s—but only briefly, because they are merely mid-14-second quarter-mile cars. Let us know. 0 @75 and 11-12 @ 65 (3) the best money I have spent is PHP's FICM reprogram, I went with the atlas 40 and with a stock tune I went from 14 mpg city driving to 17 mpg. Of all the questions we are asked, one of the most frequent is which gas engine is best. Lookup MerCruiser engine & stern drive by engine model and buy discount parts and accessories from our large online inventory. In this essay I will attempt to dispel some of the myths, and give a brief discussion of the basis by which one should consider the pros and cons of each choice. From new products, the latest applications for our existing product line, to our top notch customer service, Hypertech has the power, performance, and service you need to grab life by the steering wheel!. The generation 4 Corvette was produced for 13 years from 1984-1996. Hikers, skiers, mountain bikers, couples, wedding guests, travelers, and more have called Hotel Colorado home for a night, a weekend, or an extended stay. A third model of the 454, the LS7, was a crate engine and put out around 500 horsepower. I want to do a diesel swap for more towing power and MPG. Motorcraft made quite a few improvements to the carbs in the name of power, fuel economy, and emissions, all of which improve together. 3L Vortec from the mid-80s, first offered in 1985, until the mid-90s was available in Chevrolet and GMC full-size trucks, G-series vans, Chevrolet Astro vans, GMC Safari vans, Oldsmobile Bravada, GMC Jimmy, Chevrolet Blazer, Chevrolet S-10, and GMC Sonoma for truck applications. I'm not a gear head and am looking for info on simple, inexpensive upgrades for my 95 Chevy C1500. Our RV performance package consists of Raylar aluminum cylinder heads, high-torque camshaft and high strength roller rocker arms. The unique insulator noses are specially designed to improve throttle response too. 37, thanks to longer connecting rods and a block with taller decks. It's amazing what some bolt-on parts can do! by Mark McNabb, on October 3, 2017, 13:00. That is rural gravel roads, rural two lane highways, a little bit of in town, and a little bit of interstate highway. 1L - Improve Fuel Mileage, Increase Horsepower & TQ with this Engine Tuner: Engine Management Systems - Amazon. Suspension IV: Improving Your Suspension article on Edmunds. There are no tax/EPA charges. Engine Performance Chip has created a line of products that capitalize on your engines untouched tuning abilities to ensure maximum horsepower output and peak fuel economy. Fuel economy chips to improve car gas mileage, and passenger trucks. A 60 second plug-n-play install is all it takes to increase the performance and mileage of your vehicle. the benefits and how long it will take you to break even. Now, he's teamed. The most accurate 1996 GMC K2500 Suburbans MPG estimates based on real world results of 22 thousand miles driven in 5 GMC K2500 Suburbans 1996 GMC K2500 Suburban MPG - Actual MPG from 5 1996 GMC K2500 Suburban owners. This great distance can really rack up the gas money, but there are a few tips and tricks you can employ to improve your RV miles per gallon. A Freightliner with the CAT 3126 gets 7 MPG stop and go, 7. I want to turn the key and drive. 1 should be better than the old 454. the 454 motor. i have a 1984 chevy scottsdale 3/4 ton and it has an edelbrock hi rise intake wwith a 4 barrel and im getting about 9 miles to the gallon. Sharing the 454's 4. So I started at about 22 city/hwy and now get about 25-27 depending. I like my 454. This is one of the lowest-mileage older pickup trucks for sale on Autotrader -- though if you know the truck, you'll know that it's no surprise. The Tunesport Module calculates the correct combinations of air, fuel and spark to produce more power, unlocking up to 30 Horsepower and up to 8 MPG in your vehicle*!. - can cold air intakes improve gas mileage? K&N® does not make any claims or guarantees in terms of increased gas mileage with the use of K&N filters or intakes, due to a vast number of variables that can affect a vehicle’s gas mileage. If you want power and a big block,upgrade to the 8. 1 should be better than the old 454. Can I Improve My Vehicle's Fuel Mileage? GET BETTER GAS MILEAGE - IMPROVING YOUR FUEL ECONOMY Superchips' sophisticated performance electronics are designed to enhance your performance - from fuel economy to towing to racing; we have the products to meet your needs. I'm thinking about getting a 97 K2500 Sub with 454 Vortec and 3. The 454 engine, as compared to the 427 it replaces, has a longer stroke (101. 85 mpg and 11 mph while pulling the grade is significant. Let your concentration wander over the truly fast cars of today, the 454 Corvettes, 911 Porsches, Panteras and Jaguar V-12s—but only briefly, because they are merely mid-14-second quarter-mile cars. The Chevrolet Big Block V8 Engine The Chevrolet Big Block V8 In its most familiar and long-running format, the Chevrolet Big Block was Introduced in 1965 as a 396 CID powerplant and from that time forth, it has earned its own place in automotive history as one of the most well known tour-de-brute-force engines on the market. I hope you find the information below helpful. I have seen 25 MPG on the Interstate. Our RV performance package consists of Raylar aluminum cylinder heads, high-torque camshaft and high strength roller rocker arms. 4 liter engine is a 454-cubic inch V8 engine found in heavy-hauling Chevy trucks, like the Silverado 2500, or the loud-revving Camaro. Daniel~ It is not much about fuel economy in this context, it is about making more horsepower. The date code the engine was manufactured was also cast into the block. By performing some simple maintenance procedures and changing our driving habits a little we can save a significant amount of fuel. "You should sell the pump, preferably to someone you do not like. The most accurate Chevrolet Silverado 2500 HD MPG estimates based on real world results of 37. Balancing RV Gas Mileage With Comfort & Luxury. It is the longest continuous use automobile nameplate in production, starting in 1934 for the 1935 U. The Ford Triton V10 engine is associated with high fuel consumption in comparison with other engines. SSM Health is a Catholic, not-for-profit health system serving the comprehensive health needs of communities across the Midwest through a robust and fully integrated health care delivery system. With the class C with the v-10 it got a avg of 5 miles to a gallon loaded down with fresh water or black water only. Like I said earlier, standard big block parts won't fit on the Vortec 8100, so the performance parts available for it are close to none. Cary Hauling was looking for a tough tire to withstand demolition sites, with the traction to support muddy farmland deliveries, and provide good mileage on their 200-mile round trip routes. The best mileage I have got so far is 8 miles per gallon. Not only did it improve mileage and horsepower, but gave it a great sound when I put the peddle down! June 28, 2009 at 11:16 PM. Mileage seems to drop about 1-2 mpg when I tow a 20 foot bass boat, but I didn't buy this truck for the mileage either. Like other trucks, the 1986 Chevy 454 needs a tune up approximately every 30,000 miles to help it run smoothly and improve fuel economy. I just wanted the thing with a nice low lumpy idle, that would get me from point a to point b. ’s Your car needs to exert a certain amount of power, so technically while you would have a higher top speed with more horsepower, you would not be “accelerating” very fast witout enough torque, but too much torque will cause your wheels to spin out, so:. We take a junkyard 454 shortblock, and without taking it apart bolt on a new top end and other parts to make 700 horsepower for less than 2500 dollars - Super Chevy Magazine. However in terms of high-RPM function, it falls well short of ideal. Also, my 94 350 TBI, all stock, only gets 12 MPG. ) Check your tires. 4L 454 is an 8-cylinder engine. Clinics, meetings, presentations, red tape, training sessions and lots of talking with faculty members and residents and patients. Well i don't much care about MPG's. Some of the largest RVs get only a few miles to the gallon, which adds up not only in terms of expenses. Slicks increase stress, where as smoking street tires ease this load on the drive train. 5 mpg, we got as low as 5 with strong head wind and as high as 8 with a strong tail wind. not a high rpm engine, which is why hp numbers are low. Considering these trips are taken during Christmas in the winter with periods of idle time and speeds with the flow of traffic the ProCharger actually helps gas mileage. So they only got the Black Box PCM on them. Intake gaskets leaking coolant and what to do to avoid a repeat of the problem. 10s were available only with the I6 at one time and may still be now. Like I said earlier, standard big block parts won't fit on the Vortec 8100, so the performance parts available for it are close to none. Not too tough to improve on the fuel economy of a 750 double pumper. Fuel Economy of 1986 Chevrolet Vehicles. I have been full timing in both of them. Think about it: two hundred-plus round trips to the office every year, multiplied by, say, five or ten years of commuting -- things. Tire Results - 225/65R17. Back in 2005, I bought an Rav 4, ran dino juice until 10K and switched to mobile 1 extended life. Sounds like an interesting project. Maximum power is generated with an air/fuel ratio by weight of 12. 6 Idle speed on EFI models is not adjustable. A total of four different van name-plates are available , two each from Chevrolet and GMC Trucks. 3L on this pig. What's odd is we got the best gas mileage on both rigs above 4000'. Learn, teach, and study with Course Hero. Edmunds also has Chevrolet Suburban pricing, MPG, specs, pictures, safety features, consumer reviews and more. What does a high stall converter do? I'll try to keep it short because it's an involved subject. 9 Cummins gets about 5. Are these good engines or should I stay away from them? I'm not using it as a tow rig or a DD. Not to mention sharing those experiences with your family. In speaking to the seller, I mentioned that I was not sure about the enigine and the mileage, and that I was really wanting a 350. Class A`s I have had loaded down with my family`s lifes pulled the grades better and got better Mpg. The platelet count as part of a CBC totals the number of platelets in your blood to help screen or diagnose excessive bleeding or clotting conditions. Select the number of cylinders: The 7. We brought the Nomad back on the rollers after a little bit of driving to allow the ECU to learn and make some adjustments. GENERAL MOTORS 496 CUBIC INCH GASOLINE ENGINE BIG BLOCK V-8 POWER BUILT IN TONAWANDA, NEW YORK By Brian Szafranski ― Elma, NY In this issue we look at an automotive gasoline engine built until recently by a multi-national car maker with a local engine-building plant. Poorly engineered upgrades (changes where compatibility issues are ignored) usually will prove to be a fuel economy detriment. 6L V8 engine, some predicted pushrod engines were on their way out. AIR INTAKES. The 454 engines tend to have more mechanically set ignition and timing then the 8. Hey guys, just did the spider upgrade on my 97 5. Larger than the Class B and smaller than the bus-style Class A's, Class C's have full living accommodations. Hydrocarbons, carbon monoxide and oxides of nitrogen are created during the combustion process and are emitted into the atmosphere from the tail pipe. Leader in Performance Exhaust Systems & Induction. They make more power this way, at the detriment of gas mileage. I do have to say I am amazed that a K&N gave you a 30% increase in mpg. We've had 2 class A motorhomes with the 454 engine. By performing some simple maintenance procedures and changing our driving habits a little we can save a significant amount of fuel. On the Southwind we got between 8. Improve fuel efficiency and increase Miles Per Gallon for incredible cost savings! FREQUENTLY ASKED QUESTIONS. when to replace your pcm (AND WHEN NOT TO) The onboard computer is the brains of the engine control system, so when the brain isn't functioning correctly neither is the engine or anything else that the microprocessor controls - which may include the charging system, transmission, various emission controls and communications with other onboard. The general consensus is the best thing you can do to improve your mileage is buy a scanguage to monitor your mpg's in real time and adjust your driving accordingly. These "454 SS" Silverado pickups are very, very rare, built as performance models before GMC rolled out the Syclone shortly after. My '88 cc dually came factory with a 454/TH400 and 4. This Suburban is a 2500 series, 454 cid, auto trans, 4x4, tow package etc. I have seen 25 MPG on the Interstate. This is a fantastic example of 1972 Corvette Convertible 454 Big Block LS5. While I am not a big fan of the GM 4. Hi there! My name is Matt and I’m here today with a guide to help you find the best spark plugs for your car or truck. He told me that he had the problem with a car powered by 454 several years ago. According to Will higher octane fuel improve gas mileage? higher octane fuel does NOT notably improve fuel efficiency. That's awesome man! I have an 86' 8600gvw c6p 454 HEAVY duty SRW just like yours and I have bested at 12. AMC V8's have always been well-liked engines. This engine is an excellent choice for use in classic street rods, sport trucks, 4x4 trucks, and can be used as a daily driver. ” — MOTORHOME. Firstly, my reasons for doing this: I just put a new crate engine in it last summer and Im trying to keep everything in good condition to make this truc. My 2015 2500HD 6. On the Southwind we got between 8. 5 mpg overall. 5/25/2017 (Manchester, Kentucky) – The marketing department of Manchester Memorial Hospital (MMH) was onsite at Red Bird Mission School on 25th May for a prize distribution ceremony among the winners… Read More. 1999 Safari Trek motor home, This is a cool small class A that has an aluminum body, nice memory foam matress that has a the electro-magic bed giving it twice the living space of any other 25 ft coach. While the worst gas mileage cars listed above aren’t at all economical, they do have a certain wow-factor that gives them some serious appeal. ) Check your tires. These parts can improve horsepower, torque, fuel economy, and responsiveness to aid in driving enjoyment. All of the motor homes average 6-8 mpg (fuel injection, overdrive or not).