Quote:
Originally Posted by 6spdC6
Years back I worked part time for my buddy that owned a speed shop and had to adjust/balance the carbs on one of those engines (letter series Chrysler) Wow what a pain in the ass. Regular duel 4s or tri power were not near as bad!
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Chrysler put lead plugs in the holes at the base of the carburetors to cover the idle mixture screws (mainly the Carter AFB on the Hemi, Carter AVS on Magnum engines and Holleys on the SixPacks). You'd get a more accurate adjustment by removing the plugs and fiddling with them, but it made it twice as hard to balance the carbs properly. Most people just left them in and messed with the main idle screw.