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Which Spark Plug ?

August 17 2012 at 6:45 PM
Fritz  (Login 65slick)
Members

What brand and heat range do you all recommend ???
I've been using Split Fire SF4E

Here are some stats for the motor in question.

390 motor +10 over
new Pistons
new rocker assembly (TRW if I remember correctly)
Chet Herbert cam 275/285 215/225 @ .50 500/525 lift.
300lb springs (Chet Herbert)
lifters (Chet Herbert)
C4AE 6090 G heads (ported and polished)
Edelbrock manifold with 870 3310 Holley
Mallory uni-light distributor with multiple spark unit
50,000 volt coil


    
This message has been edited by 65slick on Aug 17, 2012 6:46 PM


 
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