will I need a new prom?
Thread Starter
Supreme Member
Joined: Nov 2008
Posts: 1,545
Likes: 10
From: South Carolina
Car: 85 2M6, 87 'Bird 88 'burb
Engine: LX9, LG4, L05
Transmission: F23, 700r4, 700R4
Axle/Gears: 3.63, 2.73, 4.10
will I need a new prom?
I know I will make the best of my upgrades with a new prom, but will I need a new on if I just do headers and an intake?
Thanks-
Eric
Thanks-
Eric
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: will I need a new prom?
A custom prom will help even a stock engine. But you will not need one for those two mods. The stock chip will be fine.
Thread Starter
Supreme Member
Joined: Nov 2008
Posts: 1,545
Likes: 10
From: South Carolina
Car: 85 2M6, 87 'Bird 88 'burb
Engine: LX9, LG4, L05
Transmission: F23, 700r4, 700R4
Axle/Gears: 3.63, 2.73, 4.10
Re: will I need a new prom?
Thanks, that's the extent of the mods I plan to do until I swap a 350 in.
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