Postons catalog lists a new not rebuilt Quadrajet for a 350. Their part number is pe77493. They claim it is 800 cfm. Did they make an 800cfm for the 350? o No: Seems like it should work on a 455. Bob Harris
Most of the 1976 and newer Q-Jets are 800's. Those calibrated for a 350 are calibrated for a 350. Jon.