454 Motorhome Timing



Being able to pass on the best pricing as well as the absolute best quality is a huge advantage we offer because of our comprehensive inventory network. Here at Barn Finds, we see a lot of vehicles with tons of patina. The Chevrolet 454 engine was a part of the 2nd generation of Chevrolet big block engines. 4L Engines are designed as a stock replacement, providing the big torque you need for pulling a trailer or other heavy loads, for 1980-2000 Chevy/GMC trucks, SUVs and vans. My motorhome is 35' long and in addition to the mechanical fuel pump on engine there is an electrical one on the tank to assist in pushing the fuel to the engine. Another big blow for the 454 was the gas crisis of 1973 which pretty much sealed the fate for the motor during this period. I have 2 connectors hooked up to the distributor. Re: 454 ignition timing. It has great power to 4500-5000. This high performance Chevy 454 long block is a great choice to freshen your old big block or build one from scratch. This article will be especially helpful on non-stock engines or engines with a non-stock distributor. The 454 HO big block is Chevy Performance's most economical alternative crate engine to rebuilding - see images, dyno specs, installation info and more. 1991 454 GAS MOTORHOME WONT RUN BACKIRES MISSES SURGING HARD STARTING SOMETIMES RUNS PERFECT FOR A SHORT TIME, CANT FIGURE OUT WHATS WRONG WITH IT 1 Answer. Depending on engine modifications and weather condititions, it may vary, but as long as you are in this range, your fine. The timing cover that comes with this engine will only accommodate a late model single roller timing chain. 4L-454ci-V8 Engine Torque Specs. run the truck with a fuel pressure gauge on it. The motor started good and ran well for the first 10km out of town. Under the hood will be the timing setting value on an information sticker specifc to your engine. (MSD devices are used to permit electronic spark advance and retard as a means of providing appropriate timing for engine loads, altitude and similar conditions where it is desirable to be able to adjust the timing without manually rotating the distributor. ~Read me pleeeze~ For up-front payment total on a remanufactured long block exchange engine, add the 3 figures at the right end of the table rows above. This backfire will get much worst at the slightest increase in rpm and will it will do it in neutral. Re: ignition timing on a 454 we have the same year and motor and the tab on the ftont of the timing cover is the same as any other chev of that vintage. The Chevrolet 454 engine was a part of the 2nd generation of Chevrolet big block engines. A cheap motor may not be the least expensive to rebuild. Depending on engine modifications and weather condititions, it may vary, but as long as you are in this range, your fine. powerful engine. 1970-75 Chevrolet engine tune-up specifications including timing, dwell angle, and spark plug gap, and firing order. I thought I read somewhere here that it was a black or tan wire. EngineThe 1990 Chevy 454 SS featured a 454-cubic-inch engine. 454 Runs Rough. Find CHEVROLET 7. But a 454 with unknown bearing clearances, xW40, SAE 40 or 15W50. If you're looking for a reasonably priced vehicle, odds are that Chevy will have something. 500 and plate honed for max performance, mains are align honed,block is machined on cnc mill for stroker crank. Motor homes chassis with the timing pointer on the bottom, Bottom left side of engine looking from the front. 2018 Online shopping for popular & hot Fan in Home from Home Appliances, Fans, Home Improvement, Home & Garden and more related Fan in Home like fan home, fan for office, fan silent, ceiling electric fan. The rigs I've looked at have the 454, the Ford 460, or the Ford V10 in them. amc/eagle. 09-09-05 11:24 PM - Post# 775227 In response to bobb I guess what I'm really talking about is relativity rather than absolutes. It’s listed for sale… more». I have done a lot of work on it to fix various issues. Tools and Equipment • Auctioneers Note: Jim was an avid race fan. At idle engine runs fine but when put under a load engine shutters, backfires and clanks and has no power particularly uphill. Chevrolet 1960-1969 / Chevrolet 1970-1979. The piston size is so big, it requires a lot of advance just to get the flame burning in time to do any good. If you retard the timing - the idle drops. Oh boy, I hope you marked the distributor before taking it out. I have been getting about 5mls/gln most recently and am thinking this is Tuning and timing a 454 Chevy - iRV2 Forums. I have a 95 Chevy 3/4 ton 454 ext. The Dodge 440 engine can be found in many 1970s full-sized motor homes, especially the popular 1974 Winnebago. Tomorrow I plan to remove the plugs and turn it by hand. The Haynes Soft cover Manuals that covers a specific year, make and model of a vehicle; the Tech Book, the Extreme Customizing Manuals and Hardcover manuals for European and Australian markets. Some city and county parks accommodate these rigs. I have been looking for answers on this motor and set up for weeks and still don't know anything about it. The LSX 454 crate engine is a 21st-century upgrade to the legendary Chevy 454 big block race engine - see images, dyno specs, installation info and more. I had a deal come up on a 20,000 mile spotless clean ,carburated 454 from a wrecked late 80's early 90's motorhome. I couldn't time my old '79 P30 motorhome either but just by chance one day I was looking around under the engine and found the lower timing tab. Scat For Sale. TH350/400 Shift Point Adjustment The 3 speed Turbohydramatic 350 and its big brother the TH400 were some of GM's most widely used automatic transmissions from the mid 60's through the early 80's. Scat Stro Kit, 2pc Rs, Hyper(dish)pist. Manufactured in 23 and 26 ft (7. We spend a Whole Lot of Time crawling in under around and through that 454 mostly due to heat related issues. I went to Autozone and bought a new Durlast starter which lasted 2 days before the teeth stripped off of the starter. 4L Engines are designed as a stock replacement, providing the big torque you need for pulling a trailer or other heavy loads, for 1980-2000 Chevy/GMC trucks, SUVs and vans. The distributor may need adjusting to prevent crossfire. 86937 *RPO stands for Regular Production Option. Offer may end at any time. 5 diesels! Call 1. Look for donors likely to have a low abuse factor. 60: 5% Off: Chevy 427 454 RV Stage 1 Cam kit lifters double timing Camaro. Drawings by David Kimble. 6998 for lower pricing. Since then I have replaced the carb, wires, and plugs. , Timing Cover Bolts, Billet Distributor Hold-down. There is a 60 sec delay on power enrichment which means its at 14. 1973 chevy gmc g van wiring diagram original. Casting date on the right lower side near the freeze plug in front of the starter. The gear ratios are ‘motorhome-specific’, with a sixth gear that improves motorway cruising. Throughout the 1980's the 7. Travelling in an RV is a fast and comfortable way to escape the day-to-day and spend quality time with friends and family. Problem is the top timing tab at 1 o'clock position can't be used with the #1 plug - no line of sight. I would like the biggest bang for the $. Camshafts Lifters Pushrods Rocker Arms Timing Valves, Springs, & Components Small Block Gen I 305-350 '87-'98 (Roller) LS Gen III/IV 3-Bolt. 4L 454 Cu In Big Block V8 was the primary Big Block Inboard Marine Engine offered by Mercruiser. If you have built your teenage dream car and put AFR oval ports on it than there is no doubt this is the cam for you. This engine represents large evolution of design. Find 454 Big Block in Engine & Engine Parts | Find a car engine for sale locally in Ontario : gas and diesel engines, alternators, carburetors, crankshafts and more and make your car more powerful. Look for donors likely to have a low abuse factor. Wide range of Ford 454 - Crate Engines - Complete Engines - Engines at CNC Motorsports for all your high performance auto needs. In article , According to Chevy that due to the use of the Allison transmission the 454 had to be governed. com FREE DELIVERY possible on eligible purchases. A letter indicates a big block, a number indicates a small block. At low rpm’s it can advance timing to increase torque. Just installed rebuilt (3 years old approx) 454 into Chevy P37 Class A motorhome. On average, a timing belt replacement will cost $500 for a car and $750 for a larger truck or SUV. Nowadays were pleased to announce that we have found an awfully interesting topic to be pointed out, namely 1992 fleetwood motorhome wiring. Started right up after install. We thought this is a good. Oh boy, I hope you marked the distributor before taking it out. Chevrolet 454 V8 Engine. '90s has to battle it out with a high-tech 6. This is the timing with the engine at 2000 rpm and the vacuum advance disconnected. Including a Large Selection of New, Used and Surplus Engines for Sale. GENERAL MOTORS TECHNICAL INFORMATION Engine Types | General Tips. Even if your engine came complete, it’s best to check all major components such as Distributor, Spark Plugs, Wires, Carburetor etc as it could have been damaged or disturbed during shipping. Chevy 454 Timing Instructions by Don Bowman Ignition timing is used to ignite the fuel in an internal combustion engine at a particular time in an effort to burn as much of the fuel as possible in the power stroke. Total timing is the initial timing plus the mechanical timing. Nowadays were pleased to announce that we have found an awfully interesting topic to be pointed out, namely 1992 fleetwood motorhome wiring. The people at COMP Cams®, along with a lot of top engine builders, have spent many years improving these and other Chevrolet powerplants. Almost everything has an RPO code. 4L Engines are designed as a stock replacement, providing the big torque you need for pulling a trailer or other heavy loads, for 1980-2000 Chevy/GMC trucks, SUVs and vans. Shop 454 stage master engine available today on the internet. The LS6 version produced in the same year and installed in the Chevelle was rated at 450 horsepower. setting timing marks on 97 Silverado w/5. CAUTION: If you install a new timing chain be careful what bolts you use to install the timing gear to the cam. Problems with chevy 454 p-30 chasis engine by distressed camper In july had rebuilt engine put in. I've got a miss and hessitation when accelerating. Re: hard start 98 chevy vortec 454 December 11th, 2011, 12:57 AM leakie injector would do it. For over a decade Topix has proudly served up your town's latest news and hottest takes. How to Source Chevy Big-Block Gaskets Matching the correct engine gaskets for your particular big-block build is critical for proper fitment and function. Casting date on the right lower side near the freeze plug in front of the starter. Shop 454 stage master engine available today on the internet. EFI Operating Modes. 4L-454ci-V8 Engine Torque Specs. Are they the same? I would reccomend an aldl cable and find a laptop or old computer and run some log files. RV Towing Guide - Read This Before You Do Anything. I hope you guys on here can help I have a 454 that was in a 1984 pace motorhome. My BIL just bought a 1996 motorhome with a 454 TBI engine. timing is set at about 13-14 btdc. Free Shipping! These Chevrolet Performance 454ci/7. Re: 454 Chevy temp sensor 01/18/2016 12:50 AM In the first design of the 366-427 engine, all coolant monitoring was done by water temperature sensors installed in the intake manifold in the short water runners between the thermostat housing, and the front of the cylinder head. Don't know about HD/towing/emissions timing curves but the Chevrolet recommended timing curve for standard and performance big block engines is 36° total advance (crankshaft) all in by 3,000RPMs (crankshaft). The head design is not all the great on the older 454. This is intended for application with pre-emmission engines (generally pre-1975). 045" MSD box. This is particularly important when attempting to crossbreed major components between different engine series, such as Mark IV, Gen V, and Gen VI engines. In a vehicle, we’d opt for something with smaller primary tubing. Another thing they have no timing in it lucky to see 13 degrees in the heavy load areas. how to set ing. If you're looking for a reasonably priced vehicle, odds are that Chevy will have something. There is a guy who sells 100s of manuals for all types of cars, trucks and motorhomesI use a 1987 to 1990 GMC 1 ton truck manual, by chiltons with no problems. I have built dozens in this form. Is this correct? And what happens if timing is set to say 10 degrees btdc. 0 Liter V8 Vortec L96 Engine. I've had a few guys tell me there selling a complete 454 from a truck from the early 70's to late 80's for a pretty good price. To see ads from the September, 2019 issue, you must be a subscriber to Hemmings Motor News. Shop with confidence. Chevrolet's famous "big-block" 454 V8 was introduced in 1970, and replaced the 427 as the top-dog engine option. Manufactured in 23 and 26 ft (7. on the 454 air cleaner housing. Part 1 of 13 - How to Diagnose and replace a blown head gasket Diagnose and replace a blown head gasket - Part 2 of 13. 1992 Fleetwood Motorhome Wiring (Aug 12, 2019) - Thank You for visiting our site. If you advance the timing - the idle goes up. Re: hard start 98 chevy vortec 454 December 11th, 2011, 12:57 AM leakie injector would do it. Shop online for original OEM & replacement parts. I have a 1980 Chevy Silverado with a 454 in it that I recenly bought. compared to my rv cammed fresh 350 the 366 was a torque monster. The normal engine temperature for a 454 could be anywhere from 180 degrees to 220 degrees fahrenheight. I had a deal come up on a 20,000 mile spotless clean ,carburated 454 from a wrecked late 80's early 90's motorhome. As long as you've been paying attention, nobody knows how your engine sounds better than you do, so if it starts to sound odd or even just a little different, there could be a problem. Producing 400 hp is not terribly difficult in a motor displacing 454 ci. If you consider a 350 and 454 with all things being equal with respect to the usage application, type of vehicle, state of tune, etc. We will show you that simply telling the alignment shop that it's a "P30 Chassis" will almost guarantee you an incorrect alignment. 454 HO Partial Engine(short block) Used as the basis for GM's 454/425hp and 454/440hp Crate engines. The output of the piston compressor is connected through a pipe to the air receiver. Workhorse 8. powerful engine. Shop Cat® Parts Store online. Also, when this tensioner or timing belt starts to fail it can cause the timing belt to be misaligned. 624 lift split, a 227/243-degree duration split and 113-degree lsa. Shop 454 stage master engine available today on the internet. Big Torque on a Budget. Uncle Sam started to tighten down on emission controls in 1971 which affected a lot of the power of the 454. Featuring 3 yr. on the 454 air cleaner housing. If I set it around 10-12 it seems to run ok. For some reason any 454 I've. Power is getting to the dashboard' lights etc but there isn't even any clicks at the starter. Blow those sluggish stock settings away with this Magnum Mercruiser 454 MPI power chip. So when I gas it from 8*, it runs 8* until the motor can't take the fuel and backfires. Could a wet system be used @ 50/75 hp shot be used with out driving over my crank. The first generation of Chevy big block engines was introduced in 1958, with the 2nd generation being introduced for production vehicles in beginning in 1965. My Motorhome still has the tune-up specs. 460 engine I would assume from your post that you are shopping used since the 454 is now known as the Vortec, even though it is the old 454, reworked and the Ford is not the V-10 which is actually a 10 cylinder 415 cid engine. This drawing is of the 1967 version of the 302 cid Chevrolet. It has great power to 4500-5000. The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to access a reference library of Firing Orders, Distributor Rotation Directions and Block-Cylinder Numbering as well as Torque Specs, Timing Settings and Cylinder Head Tightening Sequences among other engine specs. powerful engine. Discuss 2000 GMC 7. My parts are guaranteed rebuildable. Performer-Plus camshafts should be matched with Performer manifolds for vehicles operating from off-idle t. Top quality remanufactured engines for domestic and import applications. The date code on the back of the block is( B 23 6 ) The confusion continues with 4 bolt mains, composite 6 bolt timing cover, and a FLAT tappet cam. 454 engine vs. 7:1 for 60sec under WOT before it starts adding extra fuel to get 12. Is that a turd or what? I would have thought it would have at leat 350hp. lined it up manual to 0* tdc, droped the dist. Even if your engine came complete, it’s best to check all major components such as Distributor, Spark Plugs, Wires, Carburetor etc as it could have been damaged or disturbed during shipping. Below are engine databases with longblock engine pricing and identification for ordering in one place for your car, inboard boat, truck, RV or motorhome and will load more slowly. Improper Ignition Timing - Engine ignition timing is measured in degrees before or after Top Dead Center (TDC). how to set ing. It's a gen 5 454, I believe a 1993, in a 1971 chevy K20. on the 454 air cleaner housing. powerful engine. MerCruiser Big Block V8 Inboard Engines. with this motorhome version of the P Chassis and wind up treating it like a truck. For over a decade Topix has proudly served up your town's latest news and hottest takes. This is the ssssssshhh sound you will here when the compressor stops. Get a timing light out and point it at the injectors. could it be because of thelow compression. RVs and Trailers for Sale in Pataskala, OH: New 2019 Dodge Ram 5500, 2012 Fleetwood Discovery 40X 40X in Newark, 2015 Coachmen Freedom Express Special in Newark, 2015 Thor Motor Coach CHATEAU in Newark, 2018 Palomino Puma 27 RLSS in Newark. My motorhome is 35' long and in addition to the mechanical fuel pump on engine there is an electrical one on the tank to assist in pushing the fuel to the engine. 26,000 miles new upgraded motorhome 454 big block with high flow oil pump, upgraded timing chain, hydronic levelers work, two Air conditioners, ice maker frig. Camshafts Lifters Pushrods Rocker Arms Timing Valves, Springs, & Components Small Block Gen I 305-350 '87-'98 (Roller) LS Gen III/IV 3-Bolt. So when I gas it from 8*, it runs 8* until the motor can't take the fuel and backfires. But get on the road and it will boil within 20 miles, no matter what temperature it is outside. ignition timing for a 1989 chevrolet 454 P30 step van engine trying to set the timing at the ditributor cap and need - Cars & Trucks question. Chevrolet sells an impressively wide range of vehicles, from subcompact hatchbacks to huge vans and SUVs. 1973 - 1979 F-100 & Larger F-Series Trucks - Setting timing on ford 460 / Winnebago - I have a 1987 Winnie with ford 460 with holley 4 barrel. He could not ID the problem. The following message is posted for John S, who needs our help on this subject. strictly highway i get at most 12 mpg. injectors, and the spark timing. If you retard the timing - the idle drops. You MUST unplug the connector to get the timing set correctly. Over 6,000 Automotive Torque Specs. 4L/454 Timing Chain and Gear Sets and get Free Shipping on Orders Over $99 at Summit Racing!. 454 Crate Engines Scroll below to view our current listings for Chevy 454 crate and used engines. I can't seem to find what wire to disconnect to check the timing on my 96 454 TBI. The gear ratios are ‘motorhome-specific’, with a sixth gear that improves motorway cruising. I've had a few guys tell me there selling a complete 454 from a truck from the early 70's to late 80's for a pretty good price. I'm no mechanic but I'd like to see if I can fix the problem without having to Chevy 454 Running higher temps (vehicle, gasket, valve, exhaust) - Chevrolet, Cadillac, Buick, and GMC -Car forums - City-Data Forum. I had an '88 Itasca with a 454. Camshaft Spec Card Search: While our online cam spec card database is maintained to the best of our ability, COMP Cams® has produced thousands of cam designs over the course of our history; therefore the exact cam you're searching for may not be available through the use of this search function. To enable me to pass Smog here in CA, I needed to find all the right parts, and get them back to Federal Smog spec. Timing and dwell both set at standard, I actually have an Edelbrock Performer series 1450 carb (650 cfm, I think) with no choke (probably overkill, but I didn't have the money for another one at the time). Pete and others >> I appreciate this thread. Mercruiser 454 MPI Dyno-Boost remapping chip is designed to maximize the power output potential of your stock engine. Problems with chevy 454 p-30 chasis engine by distressed camper In july had rebuilt engine put in. Harmonic balancer on 454 has 4 timing marks Recently I was forced to replaced a blown 454 in my boat. 4 liter engine is commonly known as the "454 Big Block". Shop ATV Axles available for all ATV/UTV makes and models including Polaris, Yamaha, Can-AM, Arctic Cat, Kawasaki, Suzuki & Honda all with free shipping and 100% Fitment Guarantee. Get a timing light out and point it at the injectors. Race, Drag, Dirt, Muscle cars, Hot Rods, Motor homes, Trailers and Engines for sale. not a high rpm engine, which is why hp numbers are low. I'd appreciate your opinions on which of these power plants is best and if there are any "gotchas" I should be aware of. Problem is the top timing tab at 1 o'clock position can't be used with the #1 plug - no line of sight. Diagnosing an engine miss on the 91 C3500 GMC with the 454 TBI 7. 1996 chevy 454 engine diagram together with chevy 454 engine parts besides 1974 chevy 454 engine diagram in conjunction with 454 big block engines parts further 1973 chevy 454 engine diagram additionally chevy 454 engine oiling diagram further 454 engine firing order diagram and then 1979 454 chevy engine diagram in addition 1988 chevy 454 engine diagram and chevy 454 rv engine diagram in. 454 Crate Engine Listings - New and rebuilt 454 engines - Chevy Crate Engines is the net's best source for GM crate engines. Remanufactured Engines Chevy Big Block. If you would like to have one you can call: Ray Curtis at Eaton GMC at 1-800-764-3673 he will send a kit for 9. This is the ssssssshhh sound you will here when the compressor stops. Just run it first before pulling it apart. ok guys I've got a question about this RV cam deal. So what am I going to do for this project. Attach the timing light to the battery and number 1 plug wire. 26,000 miles new upgraded motorhome 454 big block with high flow oil pump, upgraded timing chain, hydronic levelers work, two Air conditioners, ice maker frig. Almost everything has an RPO code. 4 liter engine. Drawings by David Kimble. Even if your engine came complete, it’s best to check all major components such as Distributor, Spark Plugs, Wires, Carburetor etc as it could have been damaged or disturbed during shipping. Could a wet system be used @ 50/75 hp shot be used with out driving over my crank. A wiring diagram is a simple visual representation of the physical connections and physical layout of an electrical system or circuit. TIMING AND VACUUM ADVANCE 101 John Hinckley In this day and age, when modern automotive powertrains are computer-controlled and engines don't even HAVE distributors any more, the knowledge of what distributors did and how they operated to control ignition timing has begun to fade; for those just entering the classic automotive. Nowadays were pleased to announce that we have found an awfully interesting topic to be pointed out, namely 1992 fleetwood motorhome wiring. 1L Vortec 8100 Motorhome / RV Performance Parts Improve towing power and fuel economy! Raylar’s performance package for Workhorse chassis equipped motorhomes & RVs is a simple, reliable, bolt-on performance system. Strong torque & mileage • Excellent RV & towing cam • Smooth idle. Timing is Everything. An ignition timing problem generally starts and progressivly gets worst with both rpm and load. The Porsche Macan locks its front brake in the Moose Test The Moose (or Elk) test is a maneuverability and stability test commonly carried out in cold countries to test the behaviour of cars when subject to extreme avoidance tests – such as when trying to miss a Moose that’s wandered. I'm actually using it for a 71' Chevelle. Unfortunately, the thread got lost in cyberspace. This was a Cadillac of RVs in its day. The introduction of the 454 engine did not actually begin until 1970. Chevy 454 vs Ford 460: Al Vanek: 3-24-04 : Hi I'm looking at buying a class C 1999 Dutchman motorhome with a Chevy 454 engine (and Chasis?) My last coach was a Ford 460. Chevy 396 402 427 454 Ultimate Cam Kit Torque RV gaskets lifters timing springs. I couldn't time my old '79 P30 motorhome either but just by chance one day I was looking around under the engine and found the lower timing tab. Thanks, Les. The LS6 version produced in the same year and installed in the Chevelle was rated at 450 horsepower. valve lift lobe sep power lifter below part # hyd stage int exh int exh int exh int exh range idle part# part #. The timing is not advancing. Started right up after install. Recent listings include: CHEVY 454 CI, 475 HP 2 BOLT MAIN- This Engine is a 2-bolt Seasoned Heavy Duty Chevy Big Block. Porsche Macan ‘FAILS’ Moose Test – but there’s a reason (+video) Wed, 15 Oct 2014 00:00:00 -0700. I had my 5. Official Shop Manuals that the dealers and shop technicians use to diagnose, service and repair Buick, Cadillac, Chevrolet, GMC Truck, Hummer, Oldsmobile, Pontiac and Saturn vehicles. It says that a 1990 454 TBI has 230 hp 385 torque. The 454 HO big block is Chevy Performance's most economical alternative crate engine to rebuilding - see images, dyno specs, installation info and more. I did replace the timing tab, so my thought is maybe it is just reading incorrect. 4L-454ci-V8 Engine Torque Specs. Shop millions of cars from over 21,000 dealers and find the perfect car. Get youself a GMC P32 chassis manual. Starts easily, if restarted very soon, after warmed up. If you consider a 350 and 454 with all things being equal with respect to the usage application, type of vehicle, state of tune, etc. 5 diesels! Call 1. I live in western Canada, and have since made several trips into the rockies. We did add better sway bars and shocks to make the ride even better. The ultimate in automotive excellence has always been the province of Rolls-Royce. Since the maximum rpm's are less, the horsepower is less. HOT ROD has proved it before; for example, Evan Perkins installed a top-end kit on a tired 454 from a motorhome and made 567. So I will fill with the highest octane available when I move the motorhome, then let you know if it solves the dieseling problem. I have a 95 Chevy 3/4 ton 454 ext. This is the timing with the engine at 2000 rpm and the vacuum advance disconnected. 4 L, 454 CID short block, big block, long block, small block or short block. I had my 5. Browse Motorcycles. Browse your favorite brands affordable prices free shipping on many items. Chevrolet 305 V8 Engine. If the timing chain jumped prior to replacing the distributor, the #1 cylinder and distibutor could be timed correctly, but the cam is not. Camshaft Spec Card Search: While our online cam spec card database is maintained to the best of our ability, COMP Cams® has produced thousands of cam designs over the course of our history; therefore the exact cam you're searching for may not be available through the use of this search function. Top quality remanufactured engines for domestic and import applications. My Motorhome still has the tune-up specs. I would like the biggest bang for the $. Hello everyone, I'm looking for the best year(s) of the GM 396 or 454. Well, GM didnt make many 454SS trucks. 4L (454) Custom Tuning module. Small Block and Big Block Chevrolet engines have become legendary since they were introduced over 50 years ago. The Vortec 7400 L21 was a commercial version of the Chevrolet Big-Block engine used in the medium duty truck platform. Re: RV with Chevy 454 engine problems: James Convery: 8-4-14 : I have a 1983 Monaco rv with a 454 motor. This is a second motorhome for me and need to have it moved out to make room. To create the 1990-1991 Chevrolet 454 SS, Chevrolet plucked its big-block V-8 from the heavy-duty-truck line, stuffed it into a short-box C1500 Sportside pickup, stirred in performance goodies, and colored the creation in mean Onyx Black. Make sure your motor is on TDC on compression stroke, put the timing mark on whatever you want your initial timing to be, let's say 12° for instance. Currently, I have a 26' Itasca class A on a 1979 Chevy P30 Chassis. When the compressor stops, the pressure in this pipe is blown off to 0 bar (atmosphere). Thanks, Les. I need the ignition timing specs for a 1986 Chevy Suburban 454 - Chevrolet 1986 Chevy question We own a 1988 coachman motorhome with a 454 chevy motor looking for. 454 chevy engine in 87 southwind motorhome what Home > Discussion Forum > Mechanic's Corner - Engines email John Testa reply to message post new message search forums. Second I just put a 80k 454 in my 79 k30 and it works great. it was given to me by a friend who told me it is bored 30 over, has an RV cam in it with 461 or 462 heads on it with 2. On the 454 it is probably a timing chain slip from an over worn timing gear or chain. This 454ci motorhome engine was down, but now out. The timing is not advancing. ~Read me pleeeze~ For up-front payment total on a remanufactured long block exchange engine, add the 3 figures at the right end of the table rows above. 454 HO Partial Engine(short block) Used as the basis for GM's 454/425hp and 454/440hp Crate engines. 1970-75 Chevrolet engine tune-up specifications including timing, dwell angle, and spark plug gap, and firing order. This article will be especially helpful on non-stock engines or engines with a non-stock distributor. Follow the instructions for your engine. Get youself a GMC P32 chassis manual. 1970-75 Oldsmobile engine tune-up specifications including timing, dwell angle, and spark plug gap, and firing order. 454 Runs Rough. The Gen-V 454 was run on the engine dyno with a set of 2. Edelbrock Performer-Plus Camshaft # 2162 is designed for 396-427-454 Chevy V8 engines and produces optimum torque from the low-end to the mid-range.