I use the vented gaskets on all restorations, center and rear carbs. I've had very good results building the carbs this way-fast hot starting, and smooth idle.
I am still trying to figure out why Pontiac added the .026" holes in the end carb throttle plates. This was done in 1964 and continued through 1966. I believe.the purpose is to bleed a very small amount of air and fuel through the end carbs to prevent the formation of varnish in the end carb float bowls if the end carbs are not "exercised." Does anyone have another theory about this?
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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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