Originally Posted by JohnRR
Originally Posted by Kudakidd
Originally Posted by Cab_Burge
I would set the total timing (rev up beyond the mechanical advance) to 34 BTDC with the vacuum disconnect and see how you like that and then hook it back up and try that also wrench up
What brand spark plug and heat range are you using? How much mechanical compression ratio and which heads, stock or aluminum?


Champion RJ14YC. The heads are stock cast iron. I do not know the compression ratio.


you need to change those plugs , they are way too hot
iagree Try RJ12YC or something similar in heat range from NGK or Autolite up scope

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)