I raced a guy in my SS that had a 228R, 4.56 gears and a 3600 stall. He was knocking on 13s with stock heads. He changed up to a forged 370 with TSP 2.5 243 heads and the 228R cam and is busting low 12s with traction problems. He's looking into a set of cal-tracks now.
2005 Silverado SS AWD
AEM CAI, ARH LTs, HD-2 shift kit with vette servo, Circle D 278mm 3200 stall Madtunesracing.com street tune (MTR now has a Dynojet 248 chassis dyno)
13.82 @ 94.92 w/1.83 60'
a guy named joe over in GA has gone 13.0 @ 100.
my 4.late went 13.5 all day
its just a turbo 5.3 that a couple of kids threw together
01 silverado
09 cobalt ss
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