Originally Posted by dom300zx

ok im kinda dissapointed with my 87 n/a z, heres why...........well i have amazing off the line power and everything but the car has no top end power idk what to do the car is nearly bone stock all i have done is removed the cat and replaced all the piping from the y pipe back with 2.5 piping, a thrush turbo muffler 2.5 in and 2.5 out, i removed all the ac components, and added a cone on the end of my intake, and it has the 240 t/b, not a very big mod list at all so id really like to know is it my driving or is it the car that is slow? i have been beaten by a gutted neon with headers intake and timming advanceing, i also have raced a golf with a swapped vr6, i got the golf off the line pretty bad by at least 3 or 4 cars but around 70mph he blew my doors off plz help any suggestions about where i should shift or further mods i should do the over come this problem...