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    1970 Firebird Formula 400 - Air-fuel Mixture Starting Point?

    Hey there, I inherited my dad's 1970 Firebird Formula 400 RAM air 3, and I’ve got it running pretty well after sitting for 30+years. But I have some questions about tuning the air-fuel mixture screws properly on my original quadrajet carb. I’ve got both screws out 2.5 turns, and it seems to...