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403 rwhp LS1 with stock exhaust manifolds and mild cam

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Old Jun 15, 2009 | 11:02 PM
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Wow. If only this had been done back before I put the LT's on my car 2 years ago I would probably still have factory style manifolds and a cam like this
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Old Jun 16, 2009 | 01:38 AM
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Very impressive numbers.
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Old Jun 16, 2009 | 09:26 PM
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What kind of exhaust is after the stock manifolds?
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Old Jun 16, 2009 | 09:53 PM
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Very nice build, my kind of price too. I barely make 20hp more with long tube headers on an LS6 longblock with a baby cam.
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Old Jun 16, 2009 | 10:02 PM
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nice numbers I wonder what my 02 z28 will put down I installed a vindicator cam hooker headers taylor plug wires K&N cold air intake and slp loudmouth 1 exhaust and a few other upgrades such as valve springs, oil pump, lifters, pushrods and a 25% underdrive pulley. hopefully in the 400 plus range!
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Old Jun 17, 2009 | 05:39 PM
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wow. you always seem to have great results. nice numbers for a pretty much more or less "stock" ls1.
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Old Jun 17, 2009 | 06:21 PM
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Nice comb ya'll put together that put up some nice numbers especially in this heat.
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Old Jun 18, 2009 | 06:55 PM
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this is a cool project. great work
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Old Jun 19, 2009 | 11:31 AM
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Originally Posted by 99zconv
What kind of exhaust is after the stock manifolds?
2.5" dual pipes to dual 3 chamber Flowmaster mufflers out the back.
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.

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Old Jun 19, 2009 | 03:06 PM
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WOW! Those are sick results. Im hoping to make a tad bit more than that with my cammed, Full exhaust car. DAMN IT! LOL. But good results guys!
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Old Jun 29, 2009 | 06:10 PM
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nice car and numbers
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Old Jun 29, 2009 | 10:04 PM
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Great numbers!...and I have a stock LS6...makes me really re-thinking my desire to keep this car stock.
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Old Jun 29, 2009 | 11:28 PM
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Is this a smog legal cam?
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Old Jun 29, 2009 | 11:33 PM
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it made 330rwhp stock?

that's pretty impressive to me alone...what kinda drivetrain?
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Old Jun 30, 2009 | 09:23 AM
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Originally Posted by a-low
Is this a smog legal cam?
With -6 degrees of overlap at .050" the cam is borderline smog legal. I like to see cams with -7 degrees or less to pass smog, but with its fast ramps, it has very short seat timing (at .006")

Originally Posted by thunderstruck507
it made 330rwhp stock?

that's pretty impressive to me alone...what kinda drivetrain?
It made 330rwhp with cold air intake, free flowing catback exhaust and a dyno tune. Drivetrain is stock T56, stock clutch and 12 bolt rear end.
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.

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Old Jun 30, 2009 | 05:52 PM
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those are some great numbers... beautiful job...
question... what are 243 heads?
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Old Jul 1, 2009 | 03:22 PM
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Originally Posted by black-sinner
question... what are 243 heads?
They are LS6/LS2 heads. And this car also has an LS6 intake, so I'd really call it more of an LS6, not LS1.
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Old Jul 5, 2009 | 05:39 PM
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Great numbers for not a lot of money. I'm going to do a similar set up, is the tune the biggest part of the results?
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Old Jul 6, 2009 | 10:31 AM
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Originally Posted by Monza355
Great numbers for not a lot of money. I'm going to do a similar set up, is the tune the biggest part of the results?
While the tune made a nice difference in overall results, the A vs B results are both tuned, ie the baseline A numbers were tuned for best performance and the B numbers were tuned for best results. The delta between A and B show the true gains from the heads/cam/intake.
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.

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Old Jul 7, 2009 | 07:08 PM
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Thanks, it really is a great combo.

Bill
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