View Single Post
Old 07-12-2006, 11:20 AM   #10
Jim85IROC
Registered User
 
Jim85IROC's Avatar
 
Join Date: Dec 2004
Location: Readsboro, VT
Posts: 502
Re: '87 4.3 TBI to 5.0 TPI from '87 Firebird

Quote:
Originally Posted by piecesparts
I am taking my TPI unit and installing a set of vortec heads and a different base to get the better flow characteristics of the vortec. This along with the rocker arm update and bigger flow tubes will make around 300+ HP and change the flat powerband profile to a broader band.
As long as you're doing that, take a look at the Holley Stealth Ram for vortec heads. That setup is only a couple hundred bucks more than the vortec TPI base, and will give you big gains if you're willing to do a cam swap too. This is the route that I'm taking with my Camaro.
__________________
1987 GMC Sierra Classic 3500
454
TH400
My Sounddomain Page
Jim85IROC is offline   Reply With Quote