Quote:

Quote:

autolite ar3922 or if a little bit colder ar3911

autolite plugs make about 5-10 hp more than ngk plugs all the time,, thought the ngk are easier to read



I will try them in the BB TR deal we'll dyno in a week or so.



Please do Brian, curious to know, post results

75 Duster, 451 10.87 @ 123.58 NA 97 Z28 6sp., 12.01 @ 115 on a 100 shot 71 Swinger. 360 magnum. 12.58 @ 105 78 cutlass, 469 BBC. 12.70 @ 108 on street tires. http://www.youtube.com/watch?v=Z2kqNmMfheU