I'd start wit .064" jets in the center carb--a little smaller if the venturi size of the carb is less than 1.250"
Normally, we set the I/M screws 2 turns out for startup.
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BONESTOCK GOATS
'64 GTO Tripower Hardtop (Wife's Car)
'64 GTO Tripower Post Coupe (My Car)
'99 Bonneville SE Sedan
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