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08-27-2010, 11:19 AM
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What heads are you using ?
08-28-2010, 02:37 AM
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Originally Posted by cncmotorsports
What heads are you using ?
AFR 210 FULLY RACE PORTED BY AFR
08-31-2010, 06:34 AM
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Originally Posted by JEFF69Z28
Originally Posted by cncmotorsports
What heads are you using ?
AFR 210 FULLY RACE PORTED BY AFR
Use NGK5671A-8
Gap to .040
09-13-2010, 03:11 AM
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what plugs for indy 440-1 with 15 to 1 comp. could i use ngk R5672A - 9 OR 10 or stay with the R5672A- 9 or 10 thanks Rich
09-21-2010, 02:52 PM
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Originally Posted by rich970
what plugs for indy 440-1 with 15 to 1 comp. could i use ngk R5672A - 9 OR 10 or stay with the R5672A- 9 or 10 thanks Rich
Try the -9 and see how they work, if they fowl out easy, go to the -8
I'm not familiar with the indy heads as for what reach plug they take.
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