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f13 and prc heads

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Old Jul 24, 2005 | 05:15 PM
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NORCAL SS's Avatar
NORCAL SS
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Question f13 and prc heads
what numbers should i aspect. i got full boltons. plus 373 gears. im a newbie. take it easy on me
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Old Jul 24, 2005 | 08:14 PM
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420 hp minimum? but let us know when ya find out.
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Old Jul 24, 2005 | 10:38 PM
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If I'd ever get off my *** and get my car dyno tuned, I'd be able to tell ya. I can tell you that with a half assed mail order tune I can keep up with my buddy that puts down 430/400. Hopefully I'll be able to tell you exact numbers soon.
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Old Jul 24, 2005 | 11:37 PM
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3.73 is more of a "normal" gear in a automatic. So if your in a A4 dont expect the numbers these guys are puting down.
Both have M6 cars and F-Bod has a 90/90 setup.
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Old Jul 24, 2005 | 11:44 PM
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ya if you are an A4 expect around 400
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Old Jul 25, 2005 | 08:13 AM
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Hmm... I'd still think 420's even with the auto and 3.73 gears.
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Old Jul 25, 2005 | 09:53 AM
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You should do 420 easy.
I do not know why poeple think that A4's will be soo far behind.
I got 404 with a 224/220 cam only (also 3.73's). I'm waiting fo my PRC's and I'm expecting 420+ but I think I will tickle 425 at least.
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Old Jul 25, 2005 | 03:17 PM
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I think it depends on the dyno. My old car put down a best of 363 through the verter with a TSP225 and supporting bolt ons, minus a ported TB. While that seems low it was the highest cam only A4 car dynoed at TEA in there old location. The car ran high 11's in pure **** weather. I'm sure that it woulda dynoed MUCH higher at a different dyno. Good luck!
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Old Jul 25, 2005 | 04:26 PM
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thanks for the replies guys ,hopefully ill hit the 420 mark
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Old Jul 25, 2005 | 06:02 PM
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Originally Posted by NORCAL SS
thanks for the replies guys ,hopefully ill hit the 420 mark
Hey man, just trying to help you out but you have some major spelling errors. Check out your sig and change to "crossed drilled rotors" Again, just trying to help man
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Old Jul 25, 2005 | 06:47 PM
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This might give ya an idea:
https://ls1tech.com/forums/showthrea...ight=PRC+heads
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Old Aug 4, 2005 | 01:33 AM
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i'm considering this setup with the .040 gasket. any issues with piston-valve clearance? anybody have CR #s? i haven't got the motor yet and I've been researching this to no end! lol
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