throttle body

hey i was wondering do they make a larger throttle body and or throttle body spacer for a 1990 grand prix 3.1

Don't really know, I would either write zzp an email or post this same question on club gp.

hey i was wondering do they make a larger throttle body and or throttle body spacer for a 1990 grand prix 3.1

Zzp does not work on 3.1 throttle bodies. I remember some company was doing it though. Have you tried a google search?

if its a 3.1L multiport injection you are screwed i had a 93 lumina with a 3.1 and i couldnt find any performance parts for it, if it has SFI injection i know that you can get a throttle body spacer for it cause i saw one on a monte carlo, that had a 3.1L, that i looked at before i got my grand prix sorry i dont know the company name though. As far as the throttle body goes if you know of a compintent mechanic you could have him or her gasket match it to your intake mani.