If you can look for the specs on the carb used for the Sprint Pontiac 250 engines & 230's w/the 4 bbl Quadrajet. 1967-1969 IIRC?
That should give you an approx baseline of the size metering rods & jet sizing needed.
Pretty sure you can find the info on the net.
Is it a spreadbore carb,or a squarebore carb?
Or are the squarebore carbs not called Quadrajets,been a long time.
Or just find an original Pontic 4 bbl carb & use that.
Someone posted it here on a previous carb topic.
MBHD
