more h.p from 3.8 ltr v6 buick motor on the cheep

[marshcory]

definately diff gears!! i got 3.9s put in yesterday and it pulls a hell of alot harder

ross d. did u have to recalibrate your speedo when u got ur diff gears changed?

 

[Ross D.]

i need to, its 20k's out. just get a speedo correction kit from J-car