Is the 454 engine a good RV engine?

The 454 is a great engine. Our 1989 Southwind (454 engine, 32′) made the trip from Denver to the Grand Canyon just fine last year and has been very reliable for the last 3 years we’ve owned it. We love the coach and don’t think we need to upgrade anytime soon.

How does the fuel pump work in a 454 engine?

It pumps fuel to the throttle body and the direct fuel injector system through the fuel supply line and then through an in-line fuel filter. The pump is designed to provide pressurized fuel at 125 kPa (18psi.) A pressure regulator in the TBI keeps fuel available to the injectors at a constant pressure between 62 and 90 kpa. (9 to 13psi.)

Why does my RV engine not turn over?

Without a lot of details on the RV it would be hard to say that there’s any connection between what has power and what doesn’t and whether or not the engine gets turned over. A battery can easily be too weak to crank a starter but ok to run other things (at least for a while).

Are there any problems with my 454 c.i.engine?

The only problem I’ve had with mine is a small power steering fluid leak, which I plan on fixing this winter. Actually, the formula for descending any grade is to downshift until you find a gear that will hold your speed in EQUILIBRIUM– you are neither accelerating nor decelerating WITHOUT USING YOUR SERVICE BRAKES (brake pedal).

What kind of engine does a 1989 Southwind have?

Posted August 28, 2011. Our 1989 Southwind (454 engine, 32′) made the trip from Denver to the Grand Canyon just fine last year and has been very reliable for the last 3 years we’ve owned it. We love the coach and don’t think we need to upgrade anytime soon.

What kind of air cleaner does a 454 engine use?

I would also go to a Banks exhaust and KN air cleaner if I still had the coach. The 454 is a great engine. Our 1989 Southwind (454 engine, 32′) made the trip from Denver to the Grand Canyon just fine last year and has been very reliable for the last 3 years we’ve owned it.

What happens to a broken out Chev 454?

Breakage failure is not the common failure mode of worn out engines. They die a slow death of losing power, using oil, smoking and being hard to start. If it doesn’t smoke and has good power it probably has another 60K miles in it. I have personal experience with other truck big blocks that tell the same story.

Is the 454 engine reliable for the Grand Canyon?

Our 1989 Southwind (454 engine, 32′) made the trip from Denver to the Grand Canyon just fine last year and has been very reliable for the last 3 years we’ve owned it. We love the coach and don’t think we need to upgrade anytime soon. If you take any hills or passes, keep in mind you may take a little more time than before.

When did the Chevy 454 RV engine come out?

Manufactured by Chevrolet, the 454-cubic-inch big-block V-8 is a workhorse used in a multitude of applications. The reliability and high torque made it an ideal choice for everything from light duty trucks, to SUVs and motorhomes. In its current displacement capacity, the engine debuted in 1970.

How much power does a 454 motorhome have?

It has great power to 4500-5000. They should be the same till like 88-89 unless its cam size or something. The only thing that really holds those motors back from more serious mods is the dismal 7.9:1 compression ratio.

Is the GM 454 C.I.A good engine?

The GM 454 (7.4) is a great engine. The basic engine is a real workhorse. The following is just my opinion. I feel that any coach up to 34′ is just about the max for a gas engine. 37′ might be a little too much for the 454. That being said, if you drive it right it should do the job for you. You might want to take I-80 across Nebraska and Wyoming.

What kind of car is a GM 454?

Identify the year and model. Knowing the year of manufacture will give a general idea if the engine may be a 454 c.i.d. The models most likely to have the 454 are early 1970s Camaro and Chevelle SSs, Corvettes, Monte Carlos and Chevrolet/GM trucks.

When did I buy my first motor home?

We purchased our first Motor Home just two years ago. A 1987 Pace Arrow, 34 foot on a P-30 Chassis with a 454 engine. I fought the same type of problem for the better part of a year and a half. Changed the fuel filters, bought a tune up, had fuel tank cleaned etc etc.

When did GM stop making the 454 block?

The 454 option ended for passenger cars in 1976, but continued as late as 2000 for trucks and marine applications as the 7.4 Liter version. Being a bored-out 396 c.i.d. block, the 454 can be easily identified by comparing Chevrolet casting and ID numbers. Identify the year and model.

Is the GM 454 a good gas engine?

What’s the compression ratio on a motorhome 454?

The only thing that really holds those motors back from more serious mods is the dismal 7.9:1 compression ratio. That really limits how far you can go with your cam choice before things start to suck pretty bad.

What kind of engine is a 1988 Chevy 454?

Specifications for the 1988 454 RV Engine by Jeff Slater Manufactured by Chevrolet, the 454-cubic-inch big-block V-8 is a workhorse used in a multitude of applications. The reliability and high torque made it an ideal choice for everything from light duty trucks, to SUVs and motorhomes.

Why does my 454 spark plug keep failing?

The previous owner told us that there was a small problem, it would “pop back through the carb” under load. I tried lots of things and finally found the culprit. Manifold heat was so hot it would cause failure of the number 7 spark plug boot.

What kind of plugs do I need for a 454?

1983 to 89 Carburetor engine uses AC-R44T plugs, gaped at .045 1990 to 97 TBI engine uses AC-CR43TS plugs, gaped at .035 1996-98 MFI engines uses AC-41-932 plugs, gaped at .060 Plugs containing the suffix TS or CTS can be used interchangeably.

How to set the distributor on a 454 engine?

This procedure works better with two people to set the distributor. This requires using the #5 or #8 plug wire to trigger the time light. Check the timing mark first before setting timing, using both plugs to check the timing before proceeding. 4. Make sure the mechanical counter weights move freely and the assembly is in good working order.

What kind of engine does a MerCruiser 454 have?

Prefer single Mercruiser V8 454 / 7.4 Bravo II or III or Volvo Penta V8 454 / 7.4 Duo Prop but will consider Twin V6 4.3’s, with or without a trailer. Cash on hand with price contingent on year, options and condition. Buying for own use.

What makes the Chevy 454 7.4L engine unique?

The return of the 231 V-6 to General Motors cars in the mid-1970s proved that fuel efficiency could be achieved in compact engines. But in 1988, Chevrolet introduced Throttle Body Fuel Injection to the 454. It was the same TBI system used on small-block V-8s and the V-6s. Fuel efficiency increased and the TBI system remained until 1995.

Is the 454 Ho a big block engine?

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.

Is the Chevy 454 LE8 still in use?

The LE8 version still served GM trucks through 1991, although its horsepower rating varied from a low rating of 215 horsepower in 1974 up to about 230 in 1991. The standard transmission matching the LE8 454 on 1973 to 1987 trucks was the four-speed Muncie manual.

Can a 454 take you on that trip?

Can a 454 take you on that trip– absolutely. The only HAVE TO other than routine maintenance is to change the BRAKE FLUID. Old/hydrated brake fluid boils at under 300 degrees F– new fluid around 500 degrees. Loosing your brakes in the mountains is not when to decide to change the brake fluid.

Is the Chevy 454 used in motor homes?

A popular choice for recreation vehicles, the Chevy 454 found its home in motor-homes, although it was never originally designed for that purpose. The volume of engines produced, vast parts availability and relatively cheap cost made the transplant extremely attractive.

What kind of engine does a 32 ft RV have?

8.1 Workhorse engine with Allison 5 sp transmission. 6.5 Onan generator with less than 60 hours. Auto levelers and backup camera.

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Is the 454 engine a good RV engine?