General Category > Quadrajet Carb Talk and Tips

POE restriction / tube restriction

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Cliff Ruggles:
If they are smaller in diameter than the out tubes, they will be airbleeds, or secondary tubes.  If they are the same diameter as the outer tubes, they will be primary POE tubes.....Cliff

Marx3:
Ok, like those carbs that has 3 tubes in each side I guess.

Cliff Ruggles:
There are only 4 possible configurations for tubes in the airhorn that I have seen.

Most carburetors will have 4, two larger outer (POE), and two smaller inner (main bleed tubes).

Early Pontiac non Ram Air units used 4 larger tubes, two outer (POE), and two inner (primary side POE).

Ford 429 carburetors used two outer only (POE).

Some airhorns will have 6 tubes, two outer (POE),  two smaller inner (main bleeds), and two larger/long tubes (primary POE).

Hope this helps some?....Cliff

Marx3:
Yes, that clarified things!!! thanks alot. I just finished the rebuild, and the carb will be installed very soon to be test-driven. MAN am I excited! You will hear how it turned out.

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