305 TPI - Automatic...How slow??
Thread Starter
Joined: Aug 1999
Posts: 492
Likes: 0
From: Aurora, ON, Canada
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 4 Spd Auto
305 TPI - Automatic...How slow??
IM looking at this 89 iroc and I know that the 305s with automatics got less horsepower, I think all this one has is a chip and 3.5" flowmaster exhaust. Not that it makes a big difference but how slow do you think the car will be??
Senior Member
Joined: Jul 1999
Posts: 677
Likes: 0
From: Danvers, MA, USA
agreed... and it will probably trap in the high 80s, 87-90MPH-ish.
------------------
91 Trans Am WS6
Bright White
5.0 TPI auto
Flowmaster 3" 2 chamber catback
Trans Go shiftkit
2000 stall converter
ported TPI setup
Built on Wednesday
------------------
91 Trans Am WS6
Bright White
5.0 TPI auto
Flowmaster 3" 2 chamber catback
Trans Go shiftkit
2000 stall converter
ported TPI setup
Built on Wednesday
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