LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Est. Horsepower

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Old 11-24-2011, 12:38 PM
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Default Est. Horsepower

I am going to get a good dyno tune but just wondering what I could expect I have a m6 96 trans am 355cb forged speed pro pistons 10.5:1 long tube headers 1.6 rr and slighty ported stock heads and I'm going with a custom ground cam by Ai 230 / 238 - .566" / .566"
Old 11-24-2011, 01:45 PM
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376hp 370tq at 6100rpms

LOL Nobody can guess the exact numbers but it should be strong as hell especially if your backing it up with some low gears.
Old 11-24-2011, 01:47 PM
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Ya I think I'm going with 411 or 456
Old 11-24-2011, 02:02 PM
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Originally Posted by Luke1996ta
I am going to get a good dyno tune but just wondering what I could expect I have a m6 96 trans am 355cb forged speed pro pistons 10.5:1 long tube headers 1.6 rr and slighty ported stock heads and I'm going with a custom ground cam by Ai 230 / 238 - .566" / .566"
Which dyno? Mustang or Dynojet? I'll call 400 on the Mustang 415+ on the Dynojet.
Old 11-24-2011, 02:17 PM
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Dynojet dyno
Old 11-24-2011, 03:11 PM
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All depends on the head work done and if it was done right. Why such low compression... i wouldve tried to bump it to atleast 11-11.5:1 as your leaving free power on the table. I think either way it could meet your goals if the heads flow good and your tune is on the money. Good luck and post up your results when your done!
Old 11-24-2011, 05:26 PM
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10.5:1 is just what the pistons say it will def be higher I had my heads ant block both decked so it will be high just don't know how high
Old 11-24-2011, 07:59 PM
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I'll never understand how people can acquire a compression ratio just by the piston type without considering head gasket thickness, deck height, bore, etc.
Old 11-24-2011, 08:15 PM
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I just said I didn't know because my heads were decked and block was also so I have no idea what it will be
Old 11-25-2011, 01:47 AM
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Really just a guessing game at this point...what is 385 horse 376 torque to many variables. All there is to go on is the cam specs really. Post up results and let us know who wins!
Old 11-25-2011, 10:58 AM
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150hp over stock

230 stock
+
150 mods

380 wheel
Old 11-25-2011, 05:09 PM
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I'm hoping closer to 400 but pry be disappointed haha



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