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Old Sep 10, 2006 | 10:31 AM
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!968 BB / 427 standard trans. What is the recomended spark plug used, and what should the gap be???
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Old Sep 10, 2006 | 10:43 AM
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Originally Posted by Lilfur
!968 BB / 427 standard trans. What is the recomended spark plug used, and what should the gap be???
AC 43 XLS Gap .035.
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Old Sep 10, 2006 | 02:17 PM
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I have also R43XLS standard plug, but due to clearance problems I tired AC B41-629 which is 1/4" shorter (the ceramic part). But the B41-629 seems to be too hot, the plug has stayed really white.

So anybody knowing any brand shorter plug that is having same heat range as R43XLS
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Old Sep 10, 2006 | 03:16 PM
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AC 43xl or Champion N10-Y

TT
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Old Sep 11, 2006 | 12:24 AM
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Originally Posted by bronzebb
AC 43xl or Champion N10-Y

TT
Thanks - I will go and ask!
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