Twin Turbo 5.0 runs 9.63 @ 142 MPH after 2 years!!
Down South Racing Down South Racing
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 Published On May 9, 2022

I forgot to add that the car has ARP headstuds (11 mm) and PAC 1234x valve springs paired with cometic MLS head gaskets Those were installed prior to the 10.13 run. After 30,000 boosted miles with the On3 55 mm turbos and a full exhaust, I believe due to back pressure issues I blew the bank 1 (passenger side) head gasket.

After 2 years of trying for 9's on the stock converter, I started having troubles out of it- harsh shifts, misshifts etc, so we replaced it with the go to converter for turbo 6r80 cars: Circle D's 2B and went from a 1.7-1.9 60' ft to a 1.43. Still stock 2 piece driveshaft and axles.

Stay tuned for some more content with the car's new setup coming soon!

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