Ford Muscle Forums : Ford Muscle Cars Tech Forum - View Single Post - Spark plugs for GT40P heads ?????????
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post #3 of (permalink) Old 11-30-2005, 01:00 PM
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Join Date: Nov 2005
Posts: 29
Spark plugs for GT40P heads ?????????

Recomended plug for GT-40-P heads = Autolite #104.
Recomended plug for GT-40-Y & X heads = Autolite #764

I have used the #104 for a year on my P heads without a miss.

1994 Ranger Splash 5.0 HO, Reworked AOD, 8.8 Diff w/ Moser Axles, Auburn Locker w/4.30 Gears, Balanced Rotating Assembly, FRPP Crank, Scat Rods, 10.1 Forged Speed Pro Pistons, P&P GT40P Heads, F303 Rllr w/1.7 Rockers, Air Gap Man w/Demon Carb, Hookers.
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