St0n3dRac3r
Probationary Member
- 11
- 0
- Mar 9, 2011
-
Tucson,
Arizona
Did you know that the 420A chrysler motors use champion spark plugs not ngk still have the original manual the car came with.hope this is helpfull to more lurkers.i just swaped out my ngks for champions i used the parts number on the manual, now my car runs stronger and smoother in acceleration, it says ngks are for the 4g63 motors. if you got a N/T 420A give it the champion challange and tell me it didnt make a difference.
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