And I had negative issues w/Autolite but a super rich mixture will kill any plug cos it's all in the tune and my plugs live and look great after months of street driving which is WAY more critical than race only....


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....