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TSP / PRC 265cc LS7 Heads for min 4.060 bore

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Old 07-13-2012, 12:39 AM
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Originally Posted by lt1773
any dyno # yet ?
Thought I posted this already

Made 602 STD, 591 SAE

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Old 07-16-2012, 01:54 PM
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Wow very strong .now you can beat the LS7 lol
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Old 07-16-2012, 04:34 PM
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Originally Posted by DietCoke
Thought I posted this already

Made 602 STD, 591 SAE

so can you run these heads on a 4.065 bore LQ9 iron block?
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Old 07-16-2012, 04:56 PM
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^^^^Yes you can.
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Old 08-03-2012, 06:39 PM
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i justordered same heads and im waiting them badly
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Old 08-03-2012, 10:45 PM
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what vehicle did these go in too?

and what camshaft ?
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Old 08-03-2012, 10:59 PM
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Wow impressive for sure.
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Old 08-04-2012, 01:01 PM
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Originally Posted by c5z16z
what vehicle did these go in too?

and what camshaft ?
251/259 .670 lift, 113+3


It's a 2011 camaro with a 4L80. No doubt you'd see better numbers on an Fbody or corvette, especially with a manual trans
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Old 08-04-2012, 01:34 PM
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I really want to see these on an a stock LS3.
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Old 08-04-2012, 06:33 PM
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If only they allowed LS7 heads in RS275....
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Old 08-04-2012, 06:47 PM
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Originally Posted by DietCoke
251/259 .670 lift, 113+3


It's a 2011 camaro with a 4L80. No doubt you'd see better numbers on an Fbody or corvette, especially with a manual trans
Do you think it will make more/better # with Single plan LS7 intake with 4500 tb than fast 102 intake ?
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Old 08-04-2012, 06:56 PM
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Originally Posted by lt1773
Do you think it will make more/better # with Single plan LS7 intake with 4500 tb than fast 102 intake ?
Maybe
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Old 08-04-2012, 07:17 PM
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Still seems pretty low considering what I make wit stock parts and 5 psi. I am an M6 but GTO's aren't dyno queens either. The 80 can't be robbing that much power.
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Old 08-04-2012, 07:31 PM
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Originally Posted by lt1773
Do you think it will make more/better # with Single plan LS7 intake with 4500 tb than fast 102 intake ?
100% yes. It would probably make 650 with a victor. A single plane with a 4150tb is complicated with drive-by-wire (remember, this is a 2011 camaro). I have a rudimentary solution in place, but it still needs refinement.
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Old 08-04-2012, 07:33 PM
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Originally Posted by Oh4GTO
Still seems pretty low considering what I make wit stock parts and 5 psi. I am an M6 but GTO's aren't dyno queens either. The 80 can't be robbing that much power.
5 psi on a 450hp motor is worth ~150hp to the tire. You tell me.
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Old 08-04-2012, 08:06 PM
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Never mind, I just realized you are all motor. In that case nicely done.
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Old 08-05-2012, 12:48 PM
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Originally Posted by DietCoke
100% yes. It would probably make 650 with a victor. A single plane with a 4150tb is complicated with drive-by-wire (remember, this is a 2011 camaro). I have a rudimentary solution in place, but it still needs refinement.
Just ordered same heads and cant wait till they arrive
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Old 08-05-2012, 01:53 PM
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Originally Posted by lt1773
Just ordered same heads and cant wait till they arrive
what engine/setup are you running? Any dyno and strip #s to follow?
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Old 08-05-2012, 04:04 PM
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Originally Posted by Jimbo1367
what engine/setup are you running? Any dyno and strip #s to follow?
ls3 416cu
Garrett gt 91
PRC ls7 small bore heads
GMPP single intake ls7
Th400 ,PTC converter
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Old 08-05-2012, 05:15 PM
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Originally Posted by lt1773
ls3 416cu
Garrett gt 91PRC ls7 small bore heads
GMPP single intake ls7
Th400 ,PTC converter
This woulda been a beast NA. Now its just stupid. LOL. I will be looking for your build thread so I can subcribe to it.
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