7.9 to 1
Yes I have a 1990 with a 454 from the factory...
9:1.
green
mounts for 454,poss flywheel,computer for 454
set er on and find out lol
on my 1990 Allegro 454 engine it is located on the passenger side main frame rail just behind the electric steps.
Stock they had 230 hp with 385 ft pounds.
check all vacuum lines for leaks
Yes it is fuel injection. It is called a TBI / Throttle body injection.
It is mounted under the drivers side of the truck up in the frame rail.
Were is the temperature heat sensoe on a 454 chevy motor.
what is the ignition timing for a 1988 Chevy 454 engine