I recently got a '91 Firebird 305 V8 (TBI) and wanted to give it some more power. I was told the only worth while thing to do was to put in a 350 V8, which, if thats the case, I can't afford to do until next summer. I just wanted some input on what I can do to give it more power. The best things to add or change or whatever, in your opinions. Thanx.
-JT

 

TBI Board will prolly give you more hits, but I'll try to help too

Depends on how much power you want. If you're looking for 400HP the 305's a long road ahead. But if you're shooting for a lil' more power like 20-40, IMO keep the 305 and work a bit.

Open air element or air induction's cheap. headers and cat back not as cheap but effective (and it sounds good too ) with those two out of the way (intake and exhaust) you could go as far as a cam, rockers, etc...

hope that helps you to start. remember, just my opinion. I'm not even a TBI guy, I just hang with em

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• '89 Trans AM, 305 TPI, 5-spd
• '86 Firebird, 2.8, Auto

 

Headers, cam, intake, other than that, go with the 350.

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Rob
'86 TA 305 TPI
Gutted MAF, Ported Plenum
TB Bypass, Home made Cold Air Intake,
Edelbrock T.E.S.
48psi regulator, (Nickel method)

 

I think you will get more help on the TBI board so I am moving this.

Chuck

 

see other post.