Paul's 05 GT came to us with a Whipple/Ford Racing calibration and put down 433.26RWHP & 414.65RWTQ. With a little bit of custom tuning, we were able to pul 480RWHP and 446RWTQ SAE Corrected on a 89-90 Degree Day! STD numbers were 490RWHP/455RWTQ!
Reference line is at 12.1AFR, we were reading after the cat. Highest point read 12.16, which should be down around 11.90 at the top point before the cat. The whipple tune was 12.50 at the highest point, which would be closer to 12.30 before the cat.
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Tillman Speed Inc.
Custom Tuning | In-House Dynojet 224xLC
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Paul 2005 GT Whipple S/C - 480.29RWHP/446.21RWTQ 
