What did the Chevy 454 engine look like in 1991?

The 1991 version of the Chevy 454 displayed several major changes to the old engine design that set it apart from all earlier Chevy engines also labeled 454. The 454 engine block appears in a very distinctive “V” shape with a row of cylinders on both sides. These cylinders make a 90-degree angle that is easy to see at a glance.

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.

Is there a problem with my 454 engine?

I have asked a number of people and have been told that it is a motor home issue caused by the dog house engine cover and that the 454 was redesigned around that time to increase engine heat to increase millage. My question remains, is it just my 454 or have other people had the same problem?

What was the horsepower of a 1988 454 RV?

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 large bore and stroke made the vast majority of power available just off idle, enabling it to be a very capable towing and RV platforms.

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.

What kind of fuel system did the 1980 Chevy 454 use?

A M4MC or EM4MC carburetor was used on most of the 1980 series engines. This is an aspirated fuel delivery system with the addition of a mixture control system controlled by the ECM.

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 the Chevy 454 V8 engine end?

The Corvette followed suit by the end of 1974 and also bid farewell to this once powerful engine. The good news is that the 454 didn’t completely die after 1974 but was used up until 1996 in many Chevy heavy duty trucks.

Which is 454 engines were in Chevy one-tons?

The 1973 1-ton trucks were equipped with a 240-horsepower 454 generating 355 foot-pounds of torque. In 1977, General Motors offered special trailering packages for its Chevys and GMC trucks, including the 1-tons. These 454s with four-barrel carburetors developed 230 horsepower and 360 foot-pounds of torque.

What’s the difference between a Chevy 454 and a Gen V?

In many ways the Gen V looks very similar to earlier 454 designs, but key differences set them apart. First of all, the adjustable valvetrain older models sported was eliminated on the Gen V. Oil passage designs were modernized and the location of other fluid containers were moved to modernize the design.

When did the Chevy 454 pickup truck come out?

In 1973, with the 454 having left the high performance world and migrated over to sedans, personal luxury coupes, and ‘utes, GM decided to also add it to the pickup truck order sheet at Chevrolet and GMC. This coincided with the square body style and new platform for each brand’s pickups, which would run from 1973 all the way to 1991.

Is there a Chevy Blazer with a 454 engine?

On the SUV side, despite sharing its platform with the C10 the Chevrolet Blazer and GMC Jimmy never received factory-installed 454 engines, although some dealer-sourced big blocks did make it into customer hands. The larger Suburban, on the other hand, made the 454 an option nearly across the board.