Quote:
Originally Posted by Adger Smith
Sorry for any confusion, I missed the Approved, lingo!!
WoW, that 14500000C Dart head is a 9 deg head..
AJ 18 head won't hang with that
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Ford boys use the N351 Sportsman head with a 10 degree valve angle. It's not on the list because it's a Ford part number M-6049. n351. It's on the SS/CS record holder.