Low 14s with the 318. Low 12s with the 426 with a best of 11.89. The 318 had Jahns pistons, Hedman headers ( they actually made them to fit 57-59 Plymouths back then ) two WCFBs and a Mallory dist. The 426 was a Max wedge I bought from a guy in Queens, N.Y. who switched to a hemi. I had a place...