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?
How does ignition timing work on a Chevy 454?
Fuel takes a certain amount of time to burn. As the engine rpm increases the time the fuel remains in the engine decreases exponentially, thus ignition timing is advanced to allow more time for combustion. Mark the timing mark on the harmonic balancer with the white marker to make it more visible for the timing light.
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.
Is the GM 454 a throttle body injection?
I’mpretty sure Tim’s is a throttle body injection like mine. These look like a carb but are far from it. For that period it was GM’s answer to a carb and I think they worked better than a carb, but they came with their own problems. I’m having problems with my engine which is a gen 5 454 tbi 220 model made in 1992.
What kind of transmission did CJs have in 1980?
Transmissions for the 1980 and later CJs were all new, comprising: The Borg Warner SR4 Transmission was the base four-speed available with both the 151 and 258 engines through 1981. This light-duty transmission was short lived, in durability and production.
Is the 258 engine better for a Jeep CJ?
Weight balance. With the 258 engine, the Jeep is very nose heavy, not a great balance. Because the V8 is a shorter engine, the weight sits farther back into the engine compartment, balancing the weight better. This also gives you the advantage of more clearance to the radiator, depending on your accessory setup.
What kind of engine does a Jeep CJ have?
Mild modified inline 6 = 175hp, mold modified V8 = 400hp. Nuff said WEIGHT. The Jeep 258 engine weighs approximately the same as a Chevy small block with iron heads. Use aluminum heads, and you are even farther ahead. . Weight balance. With the 258 engine, the Jeep is very nose heavy, not a great balance.
What happens when one cylinder is not firing?
When one cylinder is not firing correctly, the engine will become unbalanced, and this can cause heavy vibrations inside your cabin on acceleration or at idle. 4. Check Engine Light Modern cars have great monitoring for all the different car sensors on the engine.