ncarlson

i have a 98 z ls1 a4, 3400 yank stall,relo brackets,madz28 mail tune,catback be to track many times. before any changes ran car ran 13.51 @102.24 after i installed my stall went 13.25 102.85 60' 1.89 .aftermail tune went 13.09 103.25.60' @1.87. 84.25 @ the 1/8 84.25 mph all the time . i do not have headers. my ? is should i be inthe 12s + mph be higher ?< trans is not slipping+ no wheel spin at start>

MUSTANGBRKR02

iTrader: (91)

with a stall you lose MPH but pick up ET's i believe but you probably just need a better launch you are not very far off. Try a diet on the car see what you can gain.

donkey mule

Wait till it gets cooler out and you will be in the 12's no problem!