Quote:

Quote:

Are the mains a weak spot in the Gen III's?





I don't think so. BES ran a 5.7 with stock bolts and caps. 700hp




Typically the cylinders will crack under higher hp. Have seen some crack at 750 and some live past 1200hp, fairly dependent on tune.


knyech1- '71 Sassy Grass Demon 340/904. Pump gas, 1.61 60ft, 7.439 1/8 @ 95mph, 11.824 1/4 @ 111mph "Not too bad for a pump gas 340, full of used parts and hillbilly ported stock heads." - V.B. '03 2500 5.9L HO 6-spd on 35's. 395hp/755ft-lb at tires.