My 1991 gsx is bone stock. Recently I was driving and my car started jerking hard. It starts up perfectly fine and I can drive it around the block and get into boost. After 5 mins it'll start to just like slam /jerk like it has some fuel cut. The idle does not go up and down. It idles perfect. I...

1990 Laser RSLooking for some input on some boost/fuel issues on cold(ish). If I cold start and attempt to rev/drive it, car wont go over 2.5k-3k RPM, massive fuel cut when parked. Doesn't build boost obviously. Idles pretty poorly too, can hear small misfires and sometimes drops RPMs and...

Been tackling a few issues I've solved some things and others still havent figured out yet.At high RPM at 15 psi my car would hit what feels to be fuel cut. So I rewired and installed a walbro 190 and it still seems to have the same issue.Sometimes usually when the car is warmed up it will...

Heres my issue: When the fuel tank is below lets say 1/2 tank (gague is broken so i'm just guestimating) I get a condition where it feels like a large buck (hitting a brick wall) happens when accelerating quickly. When the tank is full or near full, this bucking does not occur. I have read up on...

Heres my issue: When the fuel tank is below lets say 1/2 tank (gague is broken so i'm just guestimating) I get a condition where it feels like a large buck (hitting a brick wall) happens when accelerating quickly. When the tank is full or near full, this bucking does not occur. I have read up on...