Originally Posted by Quik you dont need a 4" crank for a 370. they use your stock crank. using a 4" crank on a 4.030 bore will net ya a 408 Doh! so many numbers in my head today..your absolutly right, its a toss up between a 408, and a 370..and i guess the 370 was on my mind at that moment
2004 Silverado , 5.3, 22" akuzas, SS bumper, cowl hood, lots of winter power upgrades coming. 1990 Sierra ST 540, prostreet **SOLD**
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