Formato Tuned and Texas Speed H/C C6 Z06 586 NA rwhp
08-03-2009, 04:14 PM
#1
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Formato Tuned and Texas Speed H/C C6 Z06 586 NA rwhp Hey all, just wanted to show a great example of a 07 C6 Z06 with Texas Speeds / PRC heads (milled .050) and cam package and our tuning. This car has much better than expected drive ability, and makes nasty NA power through out the rev band with a stock bottom end. The cam is a 242/252 650/650 114 +3, the car has a Vararam CAI, factory modded exhaust, our ported intake and throttle body and tuning.
Talk about bang for the buck:
Talk about bang for the buck:
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08-04-2009, 08:26 PM
#11
Please educate me on the math please.
Thanks
08-04-2009, 10:10 PM
#14
LSxGuy widda 9sec Mustang
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Chad, I think the LS7 pistons do not come out of the hole such as the other LS motors do. Don't quote me on that, but I will check the next stock one I tear into just to verify. As far as compression math, you could always coax the cc numbers in compression calculators to duplicate the stock compression ratio of 11-1 and then make your changes in milling, gasket thickness, etc to find the new compression ratio. This is useful if you do not have the known compression height, or chamber volume. 
08-05-2009, 05:46 AM
#15
Chad, I think the LS7 pistons do not come out of the hole such as the other LS motors do. Don't quote me on that, but I will check the next stock one I tear into just to verify. As far as compression math, you could always coax the cc numbers in compression calculators to duplicate the stock compression ratio of 11-1 and then make your changes in milling, gasket thickness, etc to find the new compression ratio. This is useful if you do not have the known compression height, or chamber volume.
Bore 4.125
Stroke 4
Rod Length 6.067
Deck Height 0.008
Piston Relief 3cc
Compressed Head gasket thickness 0.06
Cylinder Head Chamber Volume 70cc
Static Compression ratio = 10.97
If you change the volume to 62cc and that being your only change, the compression factors out to about ~11:9.
I am not trying to take credit away at all from the results as they are awsome. I am trying to figure out the correct compression on this motor.
Thanks!
08-05-2009, 10:17 AM
#17
Chambers were closer to 64.5-65cc. And that piston isn't out of the hole on all cars...Jason and Trevor's Z06 cars both had them in the hole a few thou!
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08-05-2009, 04:32 PM
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The NPP exh was cut open rewelded perforated pipe removed and sound deadening stuff removed, REALLY LOUD, might improve the flow a small margin.
We may do a LSX 102 on there, at least the testing. The manifold we did for it picked up 14rwp and 17rwtq, one of the lower ones we have done but the tune was really aggressive and many time you need to retard timing with a denser air charge.
Stk head gaskets, the car does have headers on it but with the modified stk mufflers.
This car ran 6.8 @ 100mph 1/8th mi before the 100 hp gain from the heads and cam.
will be back at the track in the next few weeks. 135mph+ should be feasible.
Jeremy Formato
We may do a LSX 102 on there, at least the testing. The manifold we did for it picked up 14rwp and 17rwtq, one of the lower ones we have done but the tune was really aggressive and many time you need to retard timing with a denser air charge.
Stk head gaskets, the car does have headers on it but with the modified stk mufflers.
This car ran 6.8 @ 100mph 1/8th mi before the 100 hp gain from the heads and cam.
will be back at the track in the next few weeks. 135mph+ should be feasible.
Jeremy Formato