How much power does a 454 motorhome have?

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.

What kind of engine does a Chevy 454 have?

The Chevy 454 first hit the market in the 1970s. The 454 is a big-block carbureted engine found in most older model Chevrolet cars and trucks. The engine uses eight cylinders to provide high-end torque and speeds. The combination of larger bore and eight cylinders equates to very poor gas mileage.

What should the idle RPM be on a Chevy 454 Eng?

You want the idle to be around 800 to 900 rpm with the vehicle in park and around 700 rpm with the vehicle in neutral. Monitor your tachometer while adjusting. Adjust the idle by sound if you do not have a tachometer. Listen for the engine rpm to drop until just before it starts to sputter.

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 does 454 stand for?

Angel number 454 also stands for desire. This number tells you that the angels are aware of the desires of your heart. They are willing to help you achieve your fantasy.

What is the compression ratio on a 454 Chevy?

Compression ratios varied between 7.8 and 8.1 to one. The 454 was an over-square engine, meaning that the cylinder bore (4.251 inches) was larger than the stroke (4.00 inches) for a bore/stroke ratio of 1.06 to one.

What are the torque specs on a 454 Chevy?

Torque Specifications. In the 1987 Chevy 454, the bolts joining the crankshaft to the engine block require 95 ft.-lbs. of torque. The cylinder head bolts require 80 ft.-lbs. of torque to join to the engine block, and the oil pan bolts to the engine block with 25 ft.-lbs. of torque.

What is the horsepower of a GM 454?

Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasn’t a big surprise. But like any stock engine, there was tons of power left to be squeezed out.