Even tho I spoke of GMC rods, it was a standard hop up to use GMC rods in 235's and 61's. Not knowing the length of a Chev rod the use of a GMC is a natural especially if you are having pistons made. You no longer need to worry about the upper end bolt which has to be a weak point...Good Luck

216.158 MPH 12-Port 302 GMC on 70% 171.0 MPH 302 stock head on gasoline 7 years later