I'm currently trying to finish my 93 GT stroker swap. I was able to make the car run beautifully when at idle or just reving the motor. However, when I try to drive the car, the motor runs rough and likes to die. Its an all new crate carbed 347 with MSD electronic distributor, control module and coil. I doesn't backfire and idles great right around 800-900 rpm. When I try to move the car it shakes and sputters out. Could this be the timing or is it something else like the drivetrain? It does have a brand new clutch and TKO 600 trans. Any help would sure be appreciated. Its been one of those projects that just never seems to get done. I've used this site multiple times to work out kinks and I'm fishing without bait on this one.