93blacktransam

iTrader: (6)

ok i have whats in my sig.......its been running fine untill a few days ago now if i try to power stall is sets the and barly spins then like magig lights up the tires ..... then when i try to launch it it takes off slow then after some 1000 rms it takes off . it hesitates really bad .......

3pnt4maro

iTrader: (2)

maybe opti....fuel filter? how is your general maintenance on the car

SincalT/A

iTrader: (16)

If you have a lt4 intake manifold on an lt1 then that is a problem.The runners do not match up to the head ports.

93blacktransam

iTrader: (6)

but it ran fine before then it just started

SincalT/A

iTrader: (16)

ya, it will run fine for a while what do the plugs look like?I bet their fouled out and just for referance how long have you had this set up?

ZONES89RS

iTrader: (25)

Yeeeaaaaa....it is problems like this i am ditching the LT1. I like them when they run right, but mine **** on me.