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I will provide further first hand back-up of the existence of factory provided Carter conversion kits for the Holley 4160 applications, performed the conversion many times myself during my time at dealers back then. They were packaged as complete kits, fuel lines, choke springs, any other hardware required, fully covered if under warranty. Installed correctly, appeared completely factory installed. Can’t tell you just how many 4160’s wound up in the trash, considered pure junk then by those who serviced them and many under hood fires were blamed directly on them.



Yeah i read your posts on the bird nest which is why I am wondering if my 4966 AVS was a warranty replacement. I mean everything is where it should be, choke, hose routing, kick down, etc. The only thing it does not have is the ground wire to the dizzy, but the car was converted to the MP electronic ignition sometime in its life. I just was thinking if I could rebuild a 440 AVS for a bit more umpf and it would be a reasonable stock substitute.

i figured the original 4160 holley is next to impossible. Its not the end of the world I am more than happy to live with the carb(s) I have. I just wondered why I had an AVS.

'73 GK6 Challenger Rallye - 340 4-Speed