tune with exhaust
Thread Starter
Senior Member
Joined: Apr 2016
Posts: 733
Likes: 47
Car: 1991 base firebird
Engine: tbi 305
Transmission: 700r4
tune with exhaust
if I install shorty headers and cat delete will I need to have my chip re-flashed ? I know a tune will always take advantage of the new parts. I just want to make sure that installing these will not make my car run badly without a tune.
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: tune with exhaust
No, you're fine. You'll need a new tune when you install cam and heads. The stock computer can adjust for a better exhaust.
Joined: Mar 2014
Posts: 4,553
Likes: 806
From: South Ms
Car: 89 Firebird
Engine: 355 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt.Posi-3.73s
Re: tune with exhaust
I have a hotter tune in my L03. After we drop the L98 in it I would sell it. Delayed TC lockup, speed limiter delete, hotter spark table, etc. Seemed to maybe help mine a bit. Hope to be doing my swap as soon as deer season ends here mid Feb. Right now my car is sitting in the shop and has been since Nov. Hunting season is much more enjoyable my #1 hobby.
Thread
Thread Starter
Forum
Replies
Last Post