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Old Jul 12, 2010 | 12:32 PM
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Default Rate my vette project

2005 z51 MN6 car to start with, has 93000 high way miles on it

Parts list

LG Pro z06 long tube headers
Z06 bimode mufflers
sunset orange creations exhast commander Dash (to control my bimode mufflers)
Z06 rear transaxle
pfadt engine and trans mounts
Killer bee 2 intake
Textralia oz700 rebuild kit


engine work being performed (already a 416ci LS3)
new bearings throughout
new gaskets
new seals
new rings
piston detailing (suposidly to help the flame front burn more evenly )
oil system cleanup (increasing oil pressure)
Morel tie-bar lifters
New Mnaley nextek springs
Rebalance rotating assy
rocker trunnion kit
Double roller timing kit


Also a slight bump in compression through thinner head gaskets... should bump me up to 11.9:1, cam is a 236/246 on a 114+2 LSA with .612/.612 lift

Were hoping for 550-560 rwhp on this build
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Old Jul 12, 2010 | 12:58 PM
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What heads are you using?
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Old Jul 12, 2010 | 01:46 PM
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Originally Posted by All_Motor_C5LS6
What heads are you using?
WCCH Ported L92's With a fully ported L76 intake
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Old Jul 13, 2010 | 11:28 AM
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wow no interest in my lil project.. oh well haha
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Old Jul 13, 2010 | 12:56 PM
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Sounds good, but needs more pics
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Old Jul 13, 2010 | 02:00 PM
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I doubt you'll see 550-560rwhp, but I'll give you 530rwhp
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Old Jul 13, 2010 | 04:14 PM
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Originally Posted by All_Motor_C5LS6
I doubt you'll see 550-560rwhp, but I'll give you 530rwhp
you think the cam isnt agressive enough??
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Old Jul 13, 2010 | 05:18 PM
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Originally Posted by Evil-Z51
you think the cam isnt agressive enough??
560rwhp - Not with ported L92s, a ported L76 intake and 11.9:1, but maybe with TFS 235s/ported FAST 102 combo and a 13.1:1.

530rwhp is a reasonable/ideal figure with regards to your combo.

Last edited by All_Motor_C5LS6; Jul 13, 2010 at 05:20 PM.
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Old Jul 13, 2010 | 05:57 PM
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Originally Posted by All_Motor_C5LS6
560rwhp - Not with ported L92s, a ported L76 intake and 11.9:1, but maybe with TFS 235s/ported FAST 102 combo and a 13.1:1.

530rwhp is a reasonable/ideal figure with regards to your combo.


funny you would say the 102 is worth anything??? i actually had that manifold, and we lost almost 10 rwhp on my GTO with this same motor + the fast 102,

most everyone im talking too about the 102 says it is an utter waste of cash, and even both of the tuners ive worked with have agreed.

I dunno i just know that i was glad to see that 102 disapear...

oh and one more thing, stock TF235 heads flow less intake @ 4.125 than my WCCH ported L92's @4.030 (the caveat, is that the TF's do flow slightly more exhaust side... but i think its a difference of like 7.2cfm)

just thought i would toss that in there

Last edited by Evil-Z51; Jul 13, 2010 at 08:49 PM.
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Old Jul 13, 2010 | 09:58 PM
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Originally Posted by Spectrel
Sounds good, but needs more pics
More ? Any
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Old Jul 14, 2010 | 03:19 AM
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Originally Posted by XEUROTRASHOWNER
More ? Any
haha well this is how it looked the day i picked it up still looks the same, until it all begins..









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Old Jul 14, 2010 | 07:03 AM
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Ok, keep us posted (w/pics) of your progress- Good Luck !
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Old Jul 14, 2010 | 10:26 AM
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oh and one more thing, stock TF235 heads flow less intake @ 4.125 than my WCCH ported L92's @4.030 (the caveat, is that the TF's do flow slightly more exhaust side... but i think its a difference of like 7.2cfm)

just thought i would toss that in there


There is no way the L92 Head will outperform TFS 225/ 235. The l92 Head
is cheap horsepower and is a pretty good deal but the fact still remains for those who want serious performance and can afford it, the Trick Flow/ Fast combo makes more power and the evidence is in dynographs and quarter mile time slips.
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Old Jul 14, 2010 | 12:29 PM
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Originally Posted by LSCHLEM
oh and one more thing, stock TF235 heads flow less intake @ 4.125 than my WCCH ported L92's @4.030 (the caveat, is that the TF's do flow slightly more exhaust side... but i think its a difference of like 7.2cfm)

just thought i would toss that in there


There is no way the L92 Head will outperform TFS 225/ 235. The l92 Head
is cheap horsepower and is a pretty good deal but the fact still remains for those who want serious performance and can afford it, the Trick Flow/ Fast combo makes more power and the evidence is in dynographs and quarter mile time slips.
such an amazingly blank statement... my serious question is i assume you are talking about some custom ported 225 head? cause the numbers released directly from TF dont show them outperforming by that much, are they better sure... are they worth the extra what 1500 bucks... i sure dont think so
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Old Jul 14, 2010 | 01:18 PM
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Are you having this work done locally?

BJK
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Old Jul 14, 2010 | 01:57 PM
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Originally Posted by 07MontRedcp
Are you having this work done locally?

BJK
sure am

standard machine is working my LS3 over, and a friends garage is doing the assembly
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Old Jul 14, 2010 | 02:00 PM
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Originally Posted by Evil-Z51
funny you would say the 102 is worth anything??? i actually had that manifold, and we lost almost 10 rwhp on my GTO with this same motor + the fast 102,

most everyone im talking too about the 102 says it is an utter waste of cash, and even both of the tuners ive worked with have agreed.

I dunno i just know that i was glad to see that 102 disapear...

oh and one more thing, stock TF235 heads flow less intake @ 4.125 than my WCCH ported L92's @4.030 (the caveat, is that the TF's do flow slightly more exhaust side... but i think its a difference of like 7.2cfm)

just thought i would toss that in there

Keep me updated on the results and good luck obtaining your 560rwhp
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Old Jul 14, 2010 | 03:25 PM
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Originally Posted by All_Motor_C5LS6
Keep me updated on the results and good luck obtaining your 560rwhp
oh i know 560 isnt likely but it doesnt hurt to dream
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Old Jul 15, 2010 | 07:12 AM
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Plans sound good! Good move on the z06 rear, our 05 rears won't take much power before the case breaks.

Will be a 10 second machine with a sharp driver if you can get to a track with decent elevation and DA.

Are you building for road course, drag strip, or just cruising around?
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Old Jul 15, 2010 | 11:28 AM
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I like your combination of compression ratio and camshaft. And the 416 cubes (versus about 378 in a stock LS3) will help you in your horsepower goal.

We are looking forward to reading good things about the results .
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