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hp numbers on a stock ls1

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Old 08-16-2005, 04:39 AM
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Default hp numbers on a stock ls1

im going to have my car dyno'ed soon and was wondering what to expect. i have a 99 z28 its pretty much stock.


i was wonder what some of you guys dyno'ed stock with your ls1.
Old 08-16-2005, 10:58 AM
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My A4 99 Z28 got 293/313 with a hooker catback. 45k on it at the time.
Old 08-16-2005, 11:13 AM
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My 98 A4 did 293/312 with only a lid. Not stock, but pretty close.
Old 08-16-2005, 11:46 AM
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My 99 A4 Z28 did...err....I'm hoping for 332/345 with the mods in my sig.
Old 08-16-2005, 07:02 PM
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310/325 '00 ss stock
Old 08-16-2005, 07:56 PM
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i think when i dynoed my 99ss, 6years ago, with about 1000 miles on the clock. i believe it was 290rwhp and 305rwtq. in ground dyno,in denver.
Old 08-17-2005, 06:25 AM
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My 01 Z M6 with 80k miles did 306hp/329tq with a lid and a flowmaster muffler.
My 00 SS M6 with 12k miles did 303hp/319tq 100% stock.
Old 08-17-2005, 09:03 PM
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mine did 300 rwhp/315 rwtq with below mods listed in sig
Old 08-17-2005, 09:17 PM
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My 2002 Z28 M6 dynoed 294/318 with a lid,muffler, cutout at 25,000 miles.
My 2002 Z28 A4 dynoed 324/343 with a lid, muffler, cutout and tune at 25,000. Both of these cars were dynoed on the same dyno. Talk about some varience.
Old 08-19-2005, 07:57 AM
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My son's 00 T/A pulled a 300rwhp on a mustang dyno with nothing but a lid and a cat back - if you know about mustang inertial dyno's then you know that they will typically give lower numbers than a dyno jet type. He expects to be around 320rwhp on a dyno jet - on his old setup. Now he has PS LT's, 3" ORY and has installed 4:10's (add no hp but will lower track times) - he is looking for 350rwhp on a dyno jet........and low 12's in the 1/4, his best run previously was a 12.9. My 02 Z is getting jethot LT's, jethot 3" ORY and already has a lid, ported TB and loud mouth CB - I just installed a pro 5.0 shifter, bilstein shocks/struts, b/r springs and am hoping to pull a 330-340rwhp out of a dyno jet here soon.
Old 08-19-2005, 10:29 AM
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In my sig.
Old 08-19-2005, 10:36 AM
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My 02 Factory Stock did 315/333 before any mods with 22K on the clock.
Old 08-19-2005, 02:27 PM
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02' Z28 bone stock with 1500 miles 318/323
With Hooker LT's, True Dual, Lid and partial tune 348/388
Old 08-19-2005, 02:29 PM
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01 SS bone stock did 311/329
Old 08-19-2005, 02:31 PM
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Originally Posted by Black 02'Z28
02' Z28 bone stock with 1500 miles 318/323
With Hooker LT's, True Dual, Lid and partial tune 348/388
388WTQ? that's hard to believe w/your mods.
Old 08-19-2005, 03:37 PM
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Originally Posted by REDSS01
388WTQ? that's hard to believe w/your mods.
?? Got the dyno sheet in my hand.

Had it dyno'd at Fastech.




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