Originally Posted by GY3
I use nothing but NGK and have had great results. They are easy to read with a nitrous tune, too! shruggy


Yep easy to read the timing mark on the ground strap.

67 Barracuda street/bracket car 11.27-119
68 Dart 502 BB 8.70s-152
414 cid SB Dragster 7.65-174