A afuncar Senior Member May 27, 2015 #22 I use 3076 auto lite plugs gapped at .032, cam high compression head 5.5,runs excellent.
glenn in camino Well-known member May 27, 2015 #23 I use reconditioned Champion 3Xs in all my stock Model As
Brian in Wheeling Senior Member May 27, 2015 #24 3X it's what the car came with. Stock or 5.5 head. No problems. Brian W.