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ls1 pre dyno HP speculations

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Old 07-06-2015, 09:24 PM
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Default ls1 pre dyno HP speculations

Just picked up a 2001 Firebird Formula, new to the ls motor world. Would like a couple of guesses as to what you guys think it's running before i get it on a dyno. I didn't get much info about what was already done to the motor, but here is what I have found, ls1, 799 heads supposedly sent to texas speed for port and polish, pacesetter long tube headers, Texas speed 228R cam, ls6 intake, ported TB and MAF, LQ9 style coil packs, K&N air box.
Thanks for any input and sorry if this is on the wrong forum.
Old 07-07-2015, 04:28 AM
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420-440 at the wheels
Old 07-07-2015, 04:45 AM
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What trans?
Old 07-07-2015, 05:04 AM
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6 speed, 4.10 gears. Thanks for the guess, I'd be pretty happy with 420-440.
Old 07-07-2015, 05:17 AM
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Depends on the dyno, but yeah I'd say around 420 or so
Old 07-07-2015, 07:00 AM
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Id also say somewhere around 420ish.



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