Aftermarket throttle body
10-09-2013, 12:26 PM
#1
Junior Member
Thread Starter
Join Date: Mar 2013
Location: standish, ME
Posts: 83
Likes: 0
Received 0 Likes
on
0 Posts
Car: 1989 pontiac firebird formula
Engine: 5.7 350 tpi
Transmission: 700r4 i think
Aftermarket throttle body
Hey I have an 89 formula with a 350 tpi I'm looking to put an aftermarket throttle body on it, I haven't done much in the way of performance yet so I doubt I need the 58mm. Also what kind of performance increase could I be looking at and also does price make a difference? Thanks
10-09-2013, 02:27 PM
#2
Re: Aftermarket throttle body
Don't do it. .....the stock 48mm TB can handle some fairly decently modded 350's. ....and if ya go too big, you can potentially lose a little low end torque and throttle response. Lot's of heavily modded heads and cam 350s puttin' down serious numbers, and a lot of 'em still are only using the 52mm.
I would NOT get a TB first. Save your money. ....look into exhaust/headers first, then maybe a torque converter or rear gear swap. Those are gonna be the best bang for buck mods.
I would NOT get a TB first. Save your money. ....look into exhaust/headers first, then maybe a torque converter or rear gear swap. Those are gonna be the best bang for buck mods.
Thread
Thread Starter
Forum
Replies
Last Post
Terrell351
Engine/Drivetrain/Suspension Parts for Sale
5
06-13-2021 01:13 PM
Street Lethal
Power Adders
634
04-30-2019 12:14 PM
mdtoren
Tech / General Engine
0
08-16-2015 05:45 PM