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ROCHESTER CARB ADJUSTMENT ampTIMING ADJ ON 74L 1996

earl

New member
I JUST WANTED TO KNOW HOW TO

I JUST WANTED TO KNOW HOW TO ADJUST THE CARB ON MY ROCHESTER CARB THE FUEL MIXES OR A BALLPARK FIGURE AND ALSO HOW TO SET THE TIMING ON THE SAME MOTOR HAS THUNDERBOLT IGN I KNOW THE TIMING IS 10 DEG THIS IS ON 1996 454 4 BBL IM A FORD MAN NOT CHEVY BUT OK WITH WHAT I GOT
 
I wouldn't touch anything

I wouldn't touch anything on a Quadrajet other than the idle speed adjustment. These are pretty much adjustment free carbs.

10 degrees BTDC at 500-600 RPM should work fine for the timing.
 
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