Search Results for ‘running rough’

Its in a 68 Chevelle with a quadrajet carb. It runs rough under load. It starts fine and idles ok. Here is what I have done: -Changed plugs, wires, cap, rotor, coil -checked spark at all and getting spark at plugs -compression check 150 psi 150 psi 150 psi 150 psi 150 psi 150 psi 150...

Hello, This is my first post on this forum and I'm almost at the end of my rope. I've looked through a lot of other threads and forums and some people have similar issues but really not the same. I hope someone has some insight. The engine: 96 Vortec 350 -Stock internals -Stock roller cam -HEI...

Hey everyone, I've been chasing what I thought was a carburetor tune issue for a while now, and I'm beginning to suspect it's something else. The motor tries to die at idle, and I've done just about everything you can think of to the carb to include air bleeds, IFR sizes, float levels, fuel...