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Cobra Forums
The Terminator
Engine/Tuning
Going 2.9 whipple and have some questions...
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<blockquote data-quote="Crusher9008" data-source="post: 14969986" data-attributes="member: 130586"><p>IMO the standard 3.5 upper that comes with the 2.9 is sufficient with your #4 lower. As stated above the stock fuel rails may be ok but I would upgrade. Gap on E85, I would recomend .028. I say all of this because this is exactly my set-up. I run about #22-23 lbs of boost and I was at 734rwhp through the T56 and I'm running 683rwhp through my 4R75 Auto. </p><p></p><p>Hope this helps!!!</p></blockquote><p></p>
[QUOTE="Crusher9008, post: 14969986, member: 130586"] IMO the standard 3.5 upper that comes with the 2.9 is sufficient with your #4 lower. As stated above the stock fuel rails may be ok but I would upgrade. Gap on E85, I would recomend .028. I say all of this because this is exactly my set-up. I run about #22-23 lbs of boost and I was at 734rwhp through the T56 and I'm running 683rwhp through my 4R75 Auto. Hope this helps!!! [/QUOTE]
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Engine/Tuning
Going 2.9 whipple and have some questions...
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