Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Rochester Quadrajet 4MV Carburetor: Removal, Disassembly, Rebuild (Rookie Level)
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Old 02-10-2011, 10:51 AM
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The rods look like 38, possibly followed by a "B". The "B" is on the later needles, the earlier needles just had a two digit number on them.

The marks on top the PP cavity is the "staking" that was referred to earlier. It would have helped hold the PP retainer in place.
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