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Re: Official Whipple/KB/Eaton HP/TQ/mods thread:
Quote:
Originally Posted by 03mach281
nope line upgrade is not necessary with our cars.
where i live we have crappy 91 so that tune was EXTREMELY conservative and it made 400/378 with like 13 degrees of timing. we added 2.5 degrees and E85 and it made 450405. i could have made more but i didnt want to push it with a stock longblock!
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Thats a good increase for just E85 and retune, makes me wonder, if E85 was only a more abundant.
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2004 black 5spd mach1
Mods-Eaton swap w/ 3.65 pulley, full exhaust, built rear end and some suspension. SOLD
2007 Trailblazer SS- Current
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