How to change the engine in a 1987 Chevy 454?
Turn on the key (electric fuel pump) and let the fuel run into the bucket til its about half full. turn off the key and wait a few minutes to let it settle and see what kind of debris you have in the fuel. if you find a lot you might consider draining the tank and start with a new filter and fresh fuel.
What’s the problem with my GM 454 engine?
I have a 1984 Itasca SunFlyer with the GM 454 engine that has heavy duty spark plug boots and wires. My problem with the hot engine has been vapor lock and hot starter problems. The vapor lock problem has taken a winter holiday.
Where is the cartridge filter on a Chevy 454?
AC part # 509. The large cartridge filter (AC # 147) is in the fuel line, mounted near the inline electric fuel pump that keeps positive pressure on the input to the mechanical fuel pump mounted on the lower right corner of the block. Passenger side. This helps to prevent vapor lock when the engine is running hot.
What to do if your RV has a 454 problem?
The plug wires burn out from the heat. I was told to get a good set and replace evvery 25000 miles. I figured may I would cut holes in side panels to let the heat out. In aviation we always figured the heat outlet should be twice the inlet size. Good luck. George ▶ Reply Thank you for the comments George.
What kind of gear drive do I need for my Chevy 454?
I chose, of course, to use Pt# 91578410, Speedway Chevy B/B 396-454 Premium Noisy Gear Drive for the 454 I am installing in my 54 Belair. Installation is pretty straight forward so let’s get one put in.
What kind of fuel delivery system does a 454 engine use?
This is an aspirated fuel delivery system with the addition of a mixture control system controlled by the ECM. It is not even close to the ECM used today. This fuel delivery system uses a mechanical fuel pump with the addition of an inline lift pump between this pump and gas tank on some systems to help prevent vapor-lock.
What kind of engine does a GM 454 have?
Loosing your brakes in the mountains is not when to decide to change the brake fluid. BTW, our Foretravel is a 1993 with 157,000 miles. Joe, as Brett may have already said, Welcome to the Forum. The GM 454 (7.4) is a great engine. The basic engine is a real workhorse.
Where is the advance spring on a GM 454?
There is a mechanical advance spring set up under the distributor cap. Also, unless the engine system has been updated; there is a vacuum advance unit attached to the metal base under the cap. The top item is to replace ALL the vacuum lines.
This is an aspirated fuel delivery system with the addition of a mixture control system controlled by the ECM. It is not even close to the ECM used today. This fuel delivery system uses a mechanical fuel pump with the addition of an inline lift pump between this pump and gas tank on some systems to help prevent vapor-lock.
How big is a pace Arrow 454 engine?
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. I finally gave up on the “experts” and did some serious trouble shooting myself, applying some cause and effect reasoning etc.
