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Dyno results ls1 gto FAST 102/102

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Old 06-12-2010, 08:30 PM   #1
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Default Dyno results ls1 gto FAST 102/102

Much thanks to Charlie @ RPM Motors for spending so much time dialing in the tune. Car was tuned in SD, the MAF is there to help make passing smog a bit easier (will enable MAF for smog test and adjust tune at that time). LS6 injectors that were flow tested/cleaned/blueprinted--think they are around 30s at 87% duty cycle.

Car put down 460/423, up 23hp/25tq from the old numbers (437/398). Dynomite Dyno as well. I've only driven it briefly, but pulls a lot harder and is noticeably louder. The gas pedal is hard to push, don't know if it's just stiff being the throttle body is new or that is normal, but slow speeds have had some bucking just because Im not used to it. Finally done with the power mods, onto getting it to hook/handle/brake better.

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CNC'd 243 Heads, 224/228 114+2 Cam, SLP UDP, Full Exhaust, Ported FAST 102/102
419/378 @ CMS
460/423 @ RPM Motors
Same mods at both dynos, guess which tune drives better?
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Old 06-12-2010, 08:35 PM   #2
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what is all ur mods that is some pretty good numbers
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Old 06-12-2010, 09:54 PM   #3
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is the FAST ported or stock?
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Old 06-12-2010, 10:27 PM   #4
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FAST manifold was smoothed and ported

243 cnc'd heads by rpm motors, larger valves, upgraded valvesprings
224/228 114+2
kooks 1 3/4" LTs
SLP UDP
SS OTR CAI
Spintech catback
RPS twin disc clutch w/ built t56
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2004 Pontiac GTO
CNC'd 243 Heads, 224/228 114+2 Cam, SLP UDP, Full Exhaust, Ported FAST 102/102
419/378 @ CMS
460/423 @ RPM Motors
Same mods at both dynos, guess which tune drives better?
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Old 06-12-2010, 10:47 PM   #5
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Sounds like very healthy numbers to me, congrats OP. 102mm FAST is badass
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Old 06-13-2010, 03:05 AM   #6
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Sounds like good strong car.
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Old 06-13-2010, 07:10 AM   #7
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Quite impressive gains.
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Old 06-13-2010, 07:27 AM   #8
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Quote:
Originally Posted by HellaciousA View Post
FAST manifold was smoothed and ported

243 cnc'd heads by rpm motors, larger valves, upgraded valvesprings
224/228 114+2
kooks 1 3/4" LTs
SLP UDP
SS OTR CAI
Spintech catback
RPS twin disc clutch w/ built t56
Time to update your Sig #'s!!!
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Old 06-13-2010, 12:03 PM   #9
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very nice improvement.
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Old 06-13-2010, 12:31 PM   #10
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Very nice gain! Especially with that baby cam. Take that bad boy to the track and lets see what she's got!
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Old 06-14-2010, 09:17 AM   #11
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Quote:
Originally Posted by HellaciousA View Post
Much thanks to Charlie @ RPM Motors for spending so much time dialing in the tune. Car was tuned in SD, the MAF is there to help make passing smog a bit easier (will enable MAF for smog test and adjust tune at that time). LS6 injectors that were flow tested/cleaned/blueprinted--think they are around 30s at 87% duty cycle.

Car put down 460/423, up 23hp/25tq from the old numbers (437/398). Dynomite Dyno as well. I've only driven it briefly, but pulls a lot harder and is noticeably louder. The gas pedal is hard to push, don't know if it's just stiff being the throttle body is new or that is normal, but slow speeds have had some bucking just because Im not used to it. Finally done with the power mods, onto getting it to hook/handle/brake better.

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Very nice cold air inake setup!
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Old 06-14-2010, 11:35 AM   #12
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Very respectable, and the engine bay looks super clean!
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Old 06-14-2010, 11:58 AM   #13
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sorry if I missed it,was this an LS6 intake prior?
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Old 06-14-2010, 08:20 PM   #14
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Quote:
Originally Posted by Jim'sZ28 View Post
sorry if I missed it,was this an LS6 intake prior?
Yes it was, w/ a stock 78mm tb and stock MAF
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2004 Pontiac GTO
CNC'd 243 Heads, 224/228 114+2 Cam, SLP UDP, Full Exhaust, Ported FAST 102/102
419/378 @ CMS
460/423 @ RPM Motors
Same mods at both dynos, guess which tune drives better?
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Old 06-14-2010, 08:20 PM
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