Dynamometer Results & Comparisons - CSP LS1 GTO w/ Ai 219cc CNC'd 241's - 455/397

Andrew at CSP (http://www.completestreetperformance.com/index2.shtml) has been doing great work making sure his guys' cars get assembled, adjusted, and calibrated properly so they run to potential. They're offering quite a service when a guy can simply drop off & pick up his car later with another 140rwhp from a reliable setup that drives like stock, and doesn't add weight to the car.


2004 LS1 GTO:

Ai 219cc CNC work (http://www.advancedinduction.com/LSX/AiLSx219ccGMLS1Head.php)
CSP 224/230 114 HR (http://www.completestreetperformance.com/index2.shtml)
Pacesetter Headers
FAST LSXR TB and Intake Manifold
LS7 Clutch
LS2 Injectors and Fuel Rail
Svede Intake and IAT relocate Kit

Think he noticed a SOTP difference when he picked his car up from CSP?:lol:

http://www.advancedinduction.com/Dyno/CSP_bartLS1GTO_Ai219cc241.jpg

The owner also has a thread on LS1GTO: http://www.ls1gto.com/forums/showthread.php?t=441920

Thanks guys!

-Phil

Very nice work!

Awesome numbers with 241 heads. Great works again AI

Those are some good numbers.

Phil, what advantage would the high CR 219s have on this particular setup?

Awesome numbers out of an ls1. AI HEADS work.

Wow awesome work from AI as usual.

Glad you guys like it. CSP deserves credit for putting it together properly - we go to great lengths to ensure our work is extremely consistent, so the potential from set to set is identical. It takes a good condition engine & drive train, and a competent builder to get everything together in as ideal a fashion as is possible. The old 241's can still be made to work pretty well when everything else is as it should be.

Phil, what advantage would the high CR 219s have on this particular setup?

This setup should be at ~10.75:1 as it is. The HCR option would have ~11.5:1 w/ the same p2v, and likely pick up a bit. It is primarily useful for maintaining 10.7-11.2:1 while gaining room to run larger cams w/o having to cut reliefs.

Thank guys!

-phil

God damn, I bet that car is gonna surprise a few people at the local stoplights!