Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem

Tuning a Rebuilt Marine Quadrajet on a Mercruiser 305

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Cliff Ruggles:
Two completely different applications.  The 1902 came in several "flavors" and will need recalibrated for Marine use.

Marine engines operate at heavy load and low vacuum, and the carburetors on them were not emission calibrated, or lean anyplace.

I'd use it on the Jeep, and the Marine unit on the boat.  The Marine unit also has the fuel pump overflow or should have, and the correct linkage for Morse control......Cliff

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