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Old 08-11-2012, 06:00 PM
aboutaqtlow aboutaqtlow is offline
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Join Date: Jun 2012
Location: WakeForest,NC
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Help Spark Plugs

Hey Guys, It's time for new plugs for my 440 , its the 350 hp motor but I have added 750 Holley, Mopar duel plane alum. intake, headers and a cam 271/279 Dur. with just at 500 lift, if I remember the hp motor ran a cooler plug. Do you think my bolt on,s bump me to the hp plug??
PS...any suggestions on type or brand name??

tks Anthony
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Old 08-12-2012, 05:34 PM
cudabob496 cudabob496 is offline
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NGK, based on below compression ratio:

http://search.store.yahoo.net/chucke...s.yahoo.net%2F
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