970 RWHP Procharged GTO!
We added a 50mmCog Drive setup to the Procharger F1-C. We have completely maxed the F1-C Procharger as boost only rises 2 psi from 5500 rpms to 6800 rpms.
2006 GTO
HKE 402 LS2 9:5:1 Comp Ratio
GG TFS 235cc Heads
Blowzilla custom cam
Procharger F1-C w Custom 50mm COG @ 19 PSI
Big Stuff 3 Engine Management





This dyno is the 12 rib blower belt vs. the COG.
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I had always heard pedaling the throttle is a no-no with a cog setup. Any issues with this being a street car?
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Clutch is a SPEC P-Trim Dual disc. No issues with the cog and the sixspeed. We did build a blower brace and scatter shield in case it looses its belt. I have made multiple WOT blasts to 7K on the dyno and the street! This car is a monster!
my jaw just hit the floor!
thats a helluva badass goat man! Anymore pics of the widebody? Whoever said you cant hear a supercharger spoolin up thru the RPMs like a turbo does needs to watch this video! Completely BAD ***!
and those custom brackets are cool too.
edit: I just watched the video and I've never seen a widebody GTO before. That car wont sneak up on anybody.



Look for the one that has the plate F1R GTO and that will be me