Engine: 454. Logged. December 30, 2008, 11:38 AM. Sent: 5/23/2004. I have an '87 Winnebago Chieftain 22' with a 454 engine. I was getting 10 mpg. It started dropping down to 5 mpg. I have given it a complete tune up, changed the fuel filter and adjusted the carburetor. I'm still running between 5 and 7.9 mpg.FRYNTYR Lifetime Premium · #7 · Dec 31, 2008. Unless I personally know the history of an engine, it's just a core, no matter what the seller says. The $400 is tops for a complete core (with usable 049's or 781's). So, like mark said,,,,"not a good deal". 1968 Chevelle Sb. 1969 Chevelle 496. 1974 S-3 454 Chevelle.1996 Chevrolet P30 Motorhome Specs. This was a US-made RV that seemed to come with all the bells and whistles that era could supply. Under the hood, so to speak, there was a 6.5L V8 turbo diesel engine and it came with rear wheel drive. The 1995 model came with a 7.4L V8 16 valve motor and was a rear wheel drive. Plus, these parts can get quite heavy themselves. The engine for a motorhome itself can weigh anywhere from 500 to 2500 pounds easily. This is simply one of the many important and heavy parts that are put into the making of a motorhome. Motorhomes weigh anywhere from 10,000-40,000 pounds.The Vortec 454 is a exception regarding any trouble and the mileage was OK, 8-9 mpg on a 1998 29 foot Sea Breeze and trouble free for the 2 years that I owned it. Starting in 1999 the 6.8 liter V10 was introduced in Ford and the 8.1 liter was introduced in Workhorse. I would try to purchase a chassis with one of those engines or the Vortec 454.Step 1. Mark the timing mark on the harmonic balancer with the white marker to make it more visible for the timing light. Look for the long straight line on the balancer and mark this. Look at the timing plate on the driver's side of the timing chain cover. Notice that it has a V cut in the center of the marker plate -- this is top dead center ...I have a Chevy 454 7.4 V8 engine it sits on a 34 foot FLEETWOOD SOUTHWIND Motorhome chassis. The motorhome came with the regular starter and after reading ...Oct 29, 2016 · I'm purchasing a 1984 Holiday Rambler 30' Motorhome w/ a stock Chevy 454 motor & TH400 transmission. The stock power ratings on these engines are pathetic (240 hp/355 tq), ie: peanut-port, open chamber, small valve heads , low compression cast pistons (8.25-8.5:1), low lift/short duration hydraulic cam, cast iron intake, Q-jet carburetor, (4 bolt main / steel crank). Feb 24, 2021 · 454CI V8 Specifications and Technical Configurations. The 1970 LS5 featured a standard cast-iron block, which housed a forged-steel crankshaft, with a total of five main bearings. While most 454ci V8s were of a two-bolt main design, a number of four-bolt main LS5s have been recorded. Attached to this crankshaft, was a set of I-Beam forged steel ... GM Light Duty Truck Service Manuals cover the following models: C/10, C/20, C/30, K/10, K/20, K/30, P/10, P/20, P/30. Backing the 454 is a built Turbo 400 3-speed automatic transmission to handle the heavier cars with ease. My 1984 with the 454 took 7qts with filter change, not sure about the later model 454's. Chevrolet 454 V8 Engine.Coachmen RVs Spec Guide – Find Complete Specifications and Brochures for these Coachmen RVs. Coachmen RV is focused on providing you with a high-quality product designed to give you the enhancement that you need in life. Since 1964, Coachmen RV owners have relied on Coachmen for superior service and support. Coachmen’s Class A Motorhomes ...Sep 16, 2008 · The 2 bolt 454 were in the smallish passenger cars not trucks. and 2 bolts were not made in the ninteys. Penut port motors can be HELLASHISH engines under 4000 RPM. zbuickman, Sep 16, 2008. SHARE POST #4. Dec 31, 2008 · FRYNTYR Lifetime Premium · #7 · Dec 31, 2008. Unless I personally know the history of an engine, it's just a core, no matter what the seller says. The $400 is tops for a complete core (with usable 049's or 781's). So, like mark said,,,,"not a good deal". 1968 Chevelle Sb. 1969 Chevelle 496. 1974 S-3 454 Chevelle. Specifications This 7.4-liter V-8 is configured with a 4.251-inch (108 mm) bore and 4-inch (102 mm) stroke. Horsepower output varied slightly and was application specific, but typically count on 350 hp to 400 hp, with torque slightly higher, coming in at 450 lb.-ft.A simple cam,intake & 650-750 carb will be night and day on a stock 454 truck/MH engine. A simple port, polish & gasket matching of the intake/exhaust runners will be more than sufficient for sub 4500rpm RV duty. Headers, cat delete & Flowmaster mufflers could come later on, but as mentioned don't cheap out on them.3. Horsepower. The Ford V10 has a higher horsepower than the Chevy 8.1. However, this higher horsepower contributes more to speed and efficiency than how much weight the RV can accommodate. So if you’re looking for an engine that maintains a lower gas consumption, you would be better off getting the Ford V10.Dec 15, 2012 · My 1992 P30 manual says for a 454: 10 psi minimum @ 500 RPM. 40-60 PSI @ 2000 RPM. For reference, The 73-77 Dodge manual says for a 440-3: 8 psi minimum @ idle. 30-80 PSI @ 2000 RPM. Yous sounds like it is in the expected range. Dave. 1984 CHEVROLET 7.4L/454 Engine Rebuild Kits. Filter by Availability Filter Results 1984 CHEVROLET Individual Parts. Part Groups. Results 1 - 8 of 8 25 Records Per Page Default Sort . Federal Mogul Engine Re-Ring Kits 205160M-000. Federal Mogul Engine Re-Ring Kits 205160M-000 ...GMC motorhome. The GMC Motorhome is a recreational vehicle that was manufactured by the GMC Truck & Coach Division of General Motors for model years 1973–1978 in Pontiac, Michigan, USA — as the only complete motorhome built by a major auto/truck manufacturer. Manufactured in 23 and 26 ft (7.0 and 7.9 m) lengths, the design was noted for its ... Chevy P30 454 (7.4L) Fan Belts And Hoses Fan Belts. Crank, Water Pump, Alternator Belt ... 1982 - 1984: Horizontal Radiator 454 Engine GM: 14049500 NAPA: 8154 ...Not every model is great and not every model will work for a motorhome but all engine builders do have top motors that will work in motorhomes and RVs. ... The Chevy engines may only get 450 ft-lb. of torque at 2800 rpm. ... 1999-2003 CAT 3126 Specs (Weight, Oil Pressure, Torque) Leave a Comment: 7 comments. Add Your ...64Belair Member from Milford PA Hi there guys, I got a run on a complete running chevy 454 with a brand new turbo 400 trans for $740. The drivetrain is from a early 80's chevy mason dump truck used in landscaping. Anyone happen to know how much horsepower these things put out? and does this seem like a decent deal?I'm purchasing a 1984 Holiday Rambler 30' Motorhome w/ a stock Chevy 454 motor & TH400 transmission. The stock power ratings on these engines are pathetic (240 hp/355 tq), ie: peanut-port, open chamber, small valve heads , low compression cast pistons (8.25-8.5:1), low lift/short duration hydraulic cam, cast iron intake, Q-jet carburetor, (4 bolt main / steel crank).HOT ROD has proved it before; for example, former editor Evan Perkins installed a top-end kit on a tired 454 from a motorhome and made 567.2 hp and 537 lb-ft of torque with 87 octane. We...Chevy P30 454 (7.4L) Fan Belts And Hoses . Welcome to Classic Winnebagos & Vintage RVs. ... 1984 (H4D) Horizontal Radiator 454 Engine: GM: 14049401 NAPA: 8153 Autozone: B70846 (Dayco) ... The motorhome chassis is different from the standard P30 in a lot of ways.The 1989 Chevrolet 350 small-block engine is a V8 that produced a peak power of 240 horsepower and 340 foot-pounds of torque in its most common installation trim in the Chevrolet Corvette. Some versions of this engine produced 245 horsepowe...Posts: 1,696. '88 GM 454 engine/tranny specs - as used by Winnebago. As a new owner of a '88 27 foot Super Chief Winnebago class A, I'm looking for a few more …Pre-workhorse 454 engine needs help: DaveFL: Workhorse and Chevrolet Chassis Motorhome Forum: 19: 01-21-2010 07:48 AM: Need advice looking to purchase my first diesel: tazmaniac: Class A Motorhome Discussions: 11: 09-14-2009 03:48 PM: Tuning and timing a 454 Chevy: AeroAtom: MH-General Discussions & Problems: 11: 01-07-2008 06:41 PM: Need ...Quality Re-manufactured Motorhome Engines From Remanufactured.com for: ... Big block Chevy all new power upgrade for 454 : $4,490: ... 1987 1986 1985 1984 1983 1982 ...Crate Engine, Dressed Long Block, Chevy 454 Stroker, SBC, New Block and Cylinder Heads, Roller Cam, 563 HP. Part Number: MLL-PS4541CTC. 3.0 out of 5 stars. Estimated Ship Date: Nov 9, 2023 if ordered today. Free Shipping...Loading Estimated Ship Date: Nov 9, 2023 if ordered today. Free Shipping; BluePrint Engines GM 454 C.I.D. 460 HP …what are the factory timing specs for a 1977 chevy 454. ... A Chevy 454 engine can be obtained when one goes to a Chevy dealer, an auto shop, or a body shop. The engine is a pretty good one as it ...Max Brake Horsepower: 235 @ 4000 rpm 270 @ 4400 rpm (Corvette) Max Torque: 395 @ 2800rpm 380 @ 2800 rpm (Corvette) Stroke: 4.00. Bore: 4.251. Compression: N/A. Firing Order: 18436572. Information and engine specs for the Chevrolet 454 V8 Engine. Engine Specs for the Chevy 454 V8 such as horsepower and firing order.OBD1 Trouble Code List. Here is a complete OBD1 trouble code list. The on-board diagnostic codes’ meanings can differ a bit depending on what car model you have, but most of them are the same among all car manufacturers. We do not take responsibility for any faults in this code list. Check your repair manual for the trouble codes of your car …part 2 of our uphill battle to remove this 454 big block out of the wife's motorhome.I do not own the rights to the music used in this video.Music: Hill Of H...Specifications This 7.4-liter V-8 is configured with a 4.251-inch (108 mm) bore and 4-inch (102 mm) stroke. Horsepower output varied slightly and was application specific, but typically count on 350 hp to 400 hp, with torque slightly higher, coming in at 450 lb.-ft.The Vortec 454 engine had 7,439 cubic centimeters, or 454 cubic inches, of displacement, giving it the 454 or 7400 name. It was an eight-cylinder engine with a multi-port fuel injector, and each cylinder had two valves that were operated by hydraulic roller cams. Each cylinder had a 107.95-mm bore and a 101.6-mm stroke.Next came the 454-cid big-block engine, which was produced concurrently with the 427-cid V-8 for many years. The 454-cid V-8 is what ended up in the Chevy motorhome chassis, with tens of thousands of them on the road. The 454-cid V-8 was so successful in trucks, boats, and motorhomes that production lasted 25 years.How to remove ignition switch on 1986 P30 Chevy. 1. Turn ignition switch to off position and leave the key in the switch. 2. Disconnect the battery. 3. Take a small diameter. paper clip and insert it into the small hole in the face of the ignition switch. You will feel a small button that you depress. 4.16 окт. 2020 г. ... The Chevrolet 454 with V8 engine (81-86 models) has a 230 horsepower rating and 360 foot-pounds of torque. Which is 454 engines were in Chevy ...HOT ROD has proved it before; for example, former editor Evan Perkins installed a top-end kit on a tired 454 from a motorhome and made 567.2 hp and 537 lb-ft of torque with 87 octane. We...3963512 454 71 Corvette 365, 425 HP 3963512 454 73-75 Chevelle. H19 70 is a date code – I believe it translates into the date the block was cast – H=August, 19 would be the 19th day, and 70 would be the year. The block was cast on August 19, 1970. This would be consistent with an engine purposed for a 1971 model year car.Chevrolet gasoline Big-block Mark IV 454 CID (7.4 L) L19 is an 454 in³ (7.44 L) internal combustion reciprocating V8 engine. It has bore/stroke ratio of 4.25 in × 4 in ( 10.8 cm × 10.16 cm ), and uses 7.9:1 compression.Many of the folks on this forum seem to think that 65,000 is high mileage for a gas truck engine. But if you talk to people in the commercial truck repair business, a well maintained 454 can be expected to last 250,000 miles or more. 97 Airstream Land Yacht 01 PT Cruiser Dinghy 2011 Can-Am Spyder RT-S Cappy - Pekinese Burglar Alarm. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...The company even equipped better specifications on it to ensure that It lasts a much longer time. Currently, the best lineup from the company is now the Chevy 454 which is the same model that had been improved. This shows how much the brand is focused on keeping its users satisfied. Even now Chevy has been improving their …See all 32 photos. The Chevrolet 1-ton dualie pickup has always been a symbol of power. With its monstrous hood and huge dualie wheel humps, the truck just grunts power like a sliver-back gorilla ...Re: 1984 454 is what generation? « Reply #1 on: February 03, 2015, 08:26:44 PM ». 1984 is a Mark IV. Two piece rear main seal, old style coolant ports. Heads are probably small port, small valve, boat anchors. Logged. 2002 Chevy 2500HD 4x4 8.1/ZF6sp RC/LB. 2001 Chevy 2500HD 4x4 6.0/4L85E EC/SB. 1997 Chevy Blazer 4x4.With engines rated from 300 hp to more than 605 hp, Cummins offers power and reliability for every type of motorhome on the market. X15 The most popular heavy-duty engine in North America, the X15 is capable of …Join Date: Aug 2009. Location: Vaughn, WA. Posts: 1,460. kartvines, The 454 engine in the motorhome chassis is no different from the 454 they put in the trucks so a truck manual covering 1983 (or so) should be good. If you are interested in information on the chassis, then you'll need to find a P30 chassis manual.Jun 29, 2005 · 64Belair Member from Milford PA Hi there guys, I got a run on a complete running chevy 454 with a brand new turbo 400 trans for $740. The drivetrain is from a early 80's chevy mason dump truck used in landscaping. Anyone happen to know how much horsepower these things put out? and does this seem like a decent deal? Here are a few RVs still on the road that has the 454 engine under the hood. - 1998, 30-foot Georgie Boy - 1991 Bounder - 1984 Revcon Kin, 33 feet long - 1989 Fleetwood Bounder - 1990 Chevy RV. As you can see there are still some older motorhomes with great engines under the hood.Apr 18, 2012 · Take a multimeter set it to DC, and to the 50 volt scale. Find a clean, non-painted surface on the frame, (Or scratch a little area), touch the Black lead, (Negative probe) of the multimeter to it. Touch the Red lead, (Positive probe), of the multimeter to the ignition wire, electrical tape partially removed. Chevrolet Performance’s 454 HO crate engine is a Big-Block bargain – an affordable engine with performance specs that will make you think it’s 1970 all over again. $19,157 MSRP † PART NO. 12568774 S&J Motorhome RV Engines: Superior Performance / Best Price: 800-942-7800 ... unlike the competition, the engines we produce are completely remanufactured – not rebuilt – to our exacting specifications. RV & Motorhomes haul heavy ... Purchased a reman 7.4 3 years ago for my '99 3500 chevy, 10k later, still humming right along. Very fair ...The Vortec 454 is a exception regarding any trouble and the mileage was OK, 8-9 mpg on a 1998 29 foot Sea Breeze and trouble free for the 2 years that I owned it. Starting in 1999 the 6.8 liter V10 was introduced in Ford and the 8.1 liter was introduced in Workhorse. I would try to purchase a chassis with one of those engines or the Vortec 454.Mar 31, 2016 · A simple cam,intake & 650-750 carb will be night and day on a stock 454 truck/MH engine. A simple port, polish & gasket matching of the intake/exhaust runners will be more than sufficient for sub 4500rpm RV duty. Headers, cat delete & Flowmaster mufflers could come later on, but as mentioned don't cheap out on them. TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS. TITLE 454 (12498778) Short Block Specifications IR 14FE14 PART NO. 19172101 DATE REVISION AUTH SHEET OF4 18 14FE14 Initial Release - Patrick Risse N/A 454 High Performance Engine Torque Specifications: NOTE: These specifications are correct for the ZZ454 or …Information and engine specs for the Chevrolet 454 V8 Engine. Engine Specs for the Chevy 454 V8 such as horsepower and firing order.Oct 13, 2010 · The oil viscosity is typically stamped or printed on the fill cap. The use of 15W-40 is NOT recommended for use in the GM 8.1L Vortec engine that we use in our motorhomes. The OE load is 5W-30 however if you never experience temperatures below 0°F, the use of 10W-30 is the acceptable option. Posts: 1,390. Need some help with a 454 in a Chevy P30 chassis. I have a 1985 Fleetwood Southwind built on a Chev P30 chassis. There is an 80 gallon gas tank mounted between the frame rails and behind the rear axle. Adjacent to the tank is a Carter brand electric fuel pump mounted to the frame. The Carter pump feeds the stock metal fuel line ...Chevy says: Drain oil. Pour in 5 quarts and wait for draindown. Check dipstick. The oil should be up to the ADD line. Add another quart. Wait. The oil should be at the FULL line. After the filter is replaced, run engine, wait, and add oil until the level is up to the FULL line. How much you add will depend on the filter you use, but will be a ...193 registered specifications for Chevrolet G30 Chevy Van 5.7 V8 HD 162hp, 1984. Engine & Performance, Dimensions & Weight, Exterior, Interior, Features, Safety & Security and Other. Give feedback. Log ... G30 Chevy Van; G30 Chevy Van 5.7 V8 HD; 1984; Specs; Specifications for Chevrolet G30 Chevy Van 5.7 V8 HD 162hp, 1984 3rd Generation 2nd ...We have a 1984 diplomat motorhome with a chevy chasis 454 motor. We are having issues with the generator and coach batteries not charging properly. New alt. intalled as well. We hooked up a brand new … read more1972 - 1984 Chevrolet GM GMC 454 C.I. 7.4L OHV 2v V8; Iron Engine Block; Iron Cylinder Heads; 4.25"; Stroke 4.00"; Compression Ratio 9.6:1; Horsepower 325-395 @ 5500 rpm; Torque 460 lbs/ft @ 3200 (typical); Motorhome/RV, Off-Road Application; Professional Installation Recommended More Included Application Vehicle Data SHIPPING CALCULATORNeed all belt routings for 1992 P-30 chev 454 motorhome Bounder - Chevrolet C3500 question. Search Fixya ... SOURCE: need belt routing for a 1984 chevy 454 with. ... RV with Chevy 454 engine problems Oct …Engine: 454. Logged. December 30, 2008, 11:38 AM. Sent: 5/23/2004. I have an '87 Winnebago Chieftain 22' with a 454 engine. I was getting 10 mpg. It started dropping down to 5 mpg. I have given it a complete tune up, changed the fuel filter and adjusted the carburetor. I'm still running between 5 and 7.9 mpg.CATERPILLAR® ENGINE SPECIFICATIONS V-8, Four-Stroke-Cycle Diesel Emissions.....IMO compliant ... 2000 76 201 2000 173 454 1800 56 163 1800 161 469 1700 47 145 1700 154 476 1600 39 128 1600 147 482 ... Materials and specifications are subject to change without notice. The International System of Units (SI) is used in this …Post #3 does confirm that the 94-95 2500-3500 series 454 equipped trucks had 255 horsepower and 405 ft.lbs torque. However the above post also indicated that those trucks had 30 psi or so injectors. I searched another sight and got that the injectors on the 94-95 454 trucks were in the 30 psi range but however the injectors are 46# injectors ...Chevrolet Performance’s 454 HO crate engine is a Big-Block bargain – an affordable engine with performance specs that will make you think it’s 1970 all over again. $19,157 MSRP † PART NO. 12568774 1972 - 1984 Chevrolet GM GMC 454 C.I. 7.4L OHV 2v V8; Iron Engine Block; Iron Cylinder Heads; 4.25"; Stroke 4.00"; Compression Ratio 9.6:1; Horsepower 325-395 @ 5500 rpm; Torque 460 lbs/ft @ 3200 (typical); Motorhome/RV, Off-Road Application; Professional Installation Recommended More Included Application Vehicle Data SHIPPING CALCULATORWhat Is The Best Big Block Chevy Engine? The answer to this question depends on the application and the BBC engine specs you need. Regarding parts availability, the 454 engine has the most availability of parts in comparison to the other engine sizes. This is due to the number of blocks available for the 7.4 liter versus a 396, …Posts: 1,390. Need some help with a 454 in a Chevy P30 chassis. I have a 1985 Fleetwood Southwind built on a Chev P30 chassis. There is an 80 gallon gas tank mounted between the frame rails and behind the rear axle. Adjacent to the tank is a Carter brand electric fuel pump mounted to the frame. The Carter pump feeds the stock metal fuel line ...Sep 16, 2008 · The 2 bolt 454 were in the smallish passenger cars not trucks. and 2 bolts were not made in the ninteys. Penut port motors can be HELLASHISH engines under 4000 RPM. zbuickman, Sep 16, 2008. SHARE POST #4. If the engine is not started within two seconds, the ECM shuts off the fuel pump and waits for the engine to start. As soon as the engine cranks the ECM turns the relay on and runs the fuel pump. On the 5.7 G van and all other 5.7 or 7.4 engines in vehicles over 8500 GVW, a fuel module will override the ECM and the fuel pump will run for ...So, if you are having trouble choosing an engine unit for your vehicle then it is better if you consult a specialist. They will provide you with enough information to help you out. Chevy 454 Engine Reliability. Talking about engines, one of the best ones on the market for larger vehicles like motorhomes or RVs is the Chevy 454.1990 chevrolet p30 motorhome chassis 454 engine automatic I replaced turn signal switch The horn works BUT it also blows when i use the turn signal Since the horn wire is just a ground for the horn relay there must be a hole worn in the insulation of the horn wire and that is grounding to the chassis when you use the turn signal switch. no ...The Detroit Diesel is a series of Diesel V8 engines first introduced by General Motors for their C/K pickup trucks in 1982. The engine family was produced by GM through 2000, when it was replaced by the new Duramax line. AM General's subsidiary General Engine Products (GEP) still produces a military variant of this engine for the HMMWV.. The General …USA1 · #4 · Sep 3, 2010 (Edited) The 12.9-1 roller cammed 454 in my Camaro started its carrier in an 85 moterhome, yes its factory equipped 4 bolt main like that really matters. To be perfectly honest it tossed a rod under warrenty and was scrapped by the dealer. Reply.While you are correct the 454 won't have the torque of a diesel, it sounds like Dave and Bea have a problem. We had a 91 Pace with the 454, and we could still do 45MPH over the Tehachapi pass in California--a pretty steep, long hill. Sounds to me the engine just needs a good tune-up as suggested by the other posters.Truck Year. 85 K20 LWB. Truck Model. Silverado. Engine Size. 454 - Turbo 400 - 3.73. I was trying to find Stock OEM 454 Cam Specs so I'd know what the starting point would be when I decide to upgrade my cam and intake. Here's what I found on 2 different sites. If anyone knows different, please update.3963512 454 71 Corvette 365, 425 HP 3963512 454 73-75 Chevelle. H19 70 is a date code – I believe it translates into the date the block was cast – H=August, 19 would be the 19th day, and 70 would be the year. The block was cast on August 19, 1970. This would be consistent with an engine purposed for a 1971 model year car.Count the number of bolts in the pan. 13 bolts for the TH400/475 (3 speed) - pan is NOT square. 16 bolts for the TH700 (4 speed OD) - pan is nearly square. 17 bolts for the TH4L80E (4 speed OD) - pan is rectangular. The 400/475 is a strong tranny and was probably originally in your MH.Jul 30, 2014 · The 1970's and 1980's Barth motorhomes are primarily on Chevy P-30 chassis with a Chevy 454 engine. They range in size from 22' to 35'. In the 90's, Barth built several lines of diesel pusher motorhomes with Caterpillar, Cummins, and Detroit diesel engines. They also built gas units on Chevy and John Deere chassis. Description Applications : CHEVROLET / GMC-Medium & Heavy-Duty Trucks All Models (By Engine) - Gas 1987 GM 7.4L(454) V8 Gas All Models (By Engine) - Gas 1988 GM 7.4L(454) V8 Gas All Models (By Engine) - Gas 1989 GM 7.4L(454) V8 Gas Specifications : Unit Type: Alternator Part Type: UNIT Voltage: 12 Rotation: CWWhat Is The Best Big Block Chevy Engine? The answer to this question depends on the application and the BBC engine specs you need. Regarding parts availability, the 454 engine has the most availability of parts in comparison to the other engine sizes. This is due to the number of blocks available for the 7.4 liter versus a 396, 402, 427, or other blocks.HOT ROD has proved it before; for example, former editor Evan Perkins installed a top-end kit on a tired 454 from a motorhome and made 567.2 hp and 537 lb-ft of torque with 87 octane. We...The Vortec 454 is a exception regarding any trouble and the mileage wa, The 2 bolt 454 were in the smallish passenger cars not trucks. and 2 bolts were not made , Chevy is conservative beyond reason with timing in this engine to assure t, Business Hours: Monday - Friday: 9am - 11:30am & 12, 5.1 1964–1984. 5.2 1985–1996. 5.3 1997–2001. 6 Referenc, We Bought this Used RV and had Engine Trouble on the First Camping Trip. Removing the St, Chevy & GMC Motor Home & RV, 1980-1984, 454, The Vortec 454 engine had 7,439 cubic centimeters, or 454 cubic i, USA1 · #4 · Sep 3, 2010 (Edited) The 12.9-1 roller cammed, Engine Oil. 85 ft-lbs. Bellhousing (Transmission t, Sep 1, 2001 · See all 32 photos. The Chevrolet 1-ton d, Information and engine specs for the Chevrolet 454 V8 Eng, Next came the 454-cid big-block engine, which was produ, Nov 8, 2022 · In this article, we’ll be discussing t, 1984 CHEVROLET 7.4L/454 Engine Rebuild Kits. Filter by Avai, 64Belair Member from Milford PA Hi there guys, I got , Many of the folks on this forum seem to think that 65,000 is , The company even equipped better specifications on .