Most 5.0L horsepower!
01-18-2005, 08:25 PM
#17
Rennlist Member
The Holbert racer hit 335 hp and 335 torque N/A. currently about 320 after 3 full race seasons. (9 races, 2 pro weekends per year!)
devek stage II headers
open air box vented to base of windshield
fuel reg
single merge collector to a 3.5" pipe all the way to the back
85 or GT cams.
devek stage II headers
open air box vented to base of windshield
fuel reg
single merge collector to a 3.5" pipe all the way to the back
85 or GT cams.
Last edited by mark kibort; 01-19-2005 at 02:38 PM.
01-19-2005, 02:35 AM
#18
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Join Date: May 2001
Location: The Great Northwest
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It's gonna make a lot more than that 
My 90 GT posted 301rwhp with Ott X Pipe & no cats. I now have 2 1/2" exhaust behind the X Pipe. Should be supercharged (twin screw) within a month. Just want to get to 400rwhp +25 /-0
with as little boost as needed.
My 90 GT posted 301rwhp with Ott X Pipe & no cats. I now have 2 1/2" exhaust behind the X Pipe. Should be supercharged (twin screw) within a month. Just want to get to 400rwhp +25 /-0
with as little boost as needed.
Originally Posted by drnick
louis otts GT makes 335 rwhp i think?? no cats.
