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Old 02-10-2009, 08:15 PM   #28
BurnoutNova
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Join Date: Mar 2004
Location: CA
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Re: SparkPlugs in a 4x4

Quote:
Originally Posted by 71 super View Post
I really like autolites in motors with compression above stock,I also use them in my 92 softtail as well. With that said I have ac's in both stock motors in my 2wd and 4x4- ac seems to foul out quickly in higher compression engines.
I have AC's in my nova, with 11.5:1 comression, and even to 8,000rpm they work great. Never had a probleom with them fouling unless I flooded the crap out of the motor.

I can see that happening tho if you dont have a good ignition system with enough voltage.
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