Distributor advance spring or is it springs?

  • I just cleaned up the C3OF 12127 D dated 3ME and removed the plate above the centrifugal advance weights. The rectangular plate is stamped 13 degrees and there is a spring on only one side on the weights. The other side has the same bracket for a spring but no spring. Should it be there or did Ford only use one on the dual point distributors? This is a 64.5 engine. I'm also putting in the Petronix system made for the dual point distributor. Any recommendations?

  • Your C3OF-D distributor originally came with two springs although they were different from each other. One of them was most likely removed as an old hot rodding trick to make the advance come on quicker. The only problem with that trick is that sometimes the distributor does not fully return to its non advanced position. You can usually tell when that happens as the engine will sometimes crank hard.


    -Fred-

    65 Koupe early San Jose Phoenician Yellow 4 speed
    66 GT Koupe Dearborn Blue 4 speed
    66 KGT San Jose fastback pony interior Silver Frost 4 speed
    64 Falcon sedan delivery 289 4 speed
    65 Ranchero 289 4 speed
    66 Corvette roadster 427/425 4 speed

Participate now!

Don’t have an account yet? Register yourself now and be a part of our community!