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#1
03-07-2026, 12:44 AM
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Antique sparkplugs
My '26 6-cylinder Pontiac had AC78S plugs. The only new ones I've found so far are something like $95 each
 Anybody know if the Autolite 3076 is truly an equivalent?
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Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons? ... or has built a record breaking DOHC hemi four cylinder Pontiac? ... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967) ... or has a Pontiac born the same year as Jim Wangers? (1926} 
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#2
03-10-2026, 12:02 AM
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I found a good tech description of the Autolite 3076 and it appears identical (functionally) to the AC plugs. After an exhausting internet search, I managed to order the last four available from one seller and the last three that another seller had!
__________________
Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons? ... or has built a record breaking DOHC hemi four cylinder Pontiac? ... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967) ... or has a Pontiac born the same year as Jim Wangers? (1926}
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