Yup
I didn't see a mention of the TFTW al. heads until the 3 rd post or so. Definitely a longer plug for the al. heads. My TrickFlow instructions mentioned recommended plugs. Did you not see that?
Rev
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'66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi.
O.B.C. #2
'66 coupe
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