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How much rwhp should I have with 233/239 112, tsp 5.3 heads, fast 92, cutout

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Old 01-30-2010, 03:17 AM
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Default How much rwhp should I have with 233/239 112, tsp 5.3 heads, fast 92, cutout

Sup guys I'm wondering how much power I should have. Currently have 408 to the wheels. Hearing I should get a tsp tune
Setup-
TSP 233/239 112lsa
FAST 92mm
5.3 CNC Ported TSP Heads
QTP Electric Cut-Out
Old 01-30-2010, 03:19 AM
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01 SS ls1 6speed 410 gears
Old 01-30-2010, 03:44 AM
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440-460 rwhp
Old 01-30-2010, 04:06 AM
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Originally Posted by Nitroused383
440-460 rwhp
sounds right.
Old 01-30-2010, 04:12 AM
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I'm going to assume LTs and stock clutch?

450ish...
Old 01-30-2010, 06:25 AM
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Originally Posted by ggreg89
Sup guys I'm wondering how much power I should have. Currently have 408 to the wheels. Hearing I should get a tsp tune
Setup-
TSP 233/239 112lsa
FAST 92mm
5.3 CNC Ported TSP Heads
QTP Electric Cut-Out
are you saying you have 408rwhp with those mods now? if so i don't see a tune giving you 40+ unless your current tune is stock.
Old 01-30-2010, 08:43 AM
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^ I would say around 440-450 RWHP. I had the same cam with LT's, ORY, cutout, and a ported 90/90 setup with SD tune that made 427 RWHP in an M6 with stock gears. I would expect heads to add at least 20-30RWHP.
Old 01-30-2010, 01:44 PM
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Guess it was the tuner.. thanks.
Old 01-30-2010, 02:45 PM
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I have those heads with a 232/238 cam,and hedman 1 5/8 stepped to 1 3/4 lt headers ...I'm in A4 though so my numbers will be lower

here it goes..When I had the above set up with a TCI 3500stall and 3:23 gears it put down 435rwp 407rwt..

put in 3:73 gears and lost some on the dyno.cant remember but it was around 8 I think..

Then threw in a bigger stall which robs "dyno numbers" and it was a 5c 4400 stall,but I also switched my old headers out form the Hedman 1 5/8 stepped to 1 3/4 lt headers to hooker 1 7/8..Anywa longstory short I put down 426rwhp now
Hope this helps
Old 01-31-2010, 01:49 PM
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I got the same heads but running a torquer V2 cam with aluminum ls6 intake, pacesetter LT and tsp rumbler exhaust with 4.10 gears. I made 443rwhp, 411 rwtq. So with your bigger cam I would say at least 450-460 depending on tune.
Old 01-31-2010, 01:56 PM
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Yeah the tuner sucks *****! Everyone seems to think hes god around here haha




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