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Spark plug recommendations

Started by AKcharger, May 08, 2023, 09:12:02 PM

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AKcharger

May 08, 2023, 09:12:02 PM
 400 stroked to 470, mild cam 10-1 pistons 440 Source aluminum heads

Thanks!

metallicareload99

#1
May 10, 2023, 11:38:21 AM
Those heads use the long threaded spark plugs right? I've been using NGK 6418 / BKR6EIX with my Trick Flow heads, 10.2:1 compression by my calculations :drive:
1968, When Dinosaurs Ruled The Earth

AKcharger

#2
June 02, 2023, 12:00:24 PM
Correct! I went with Champions
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