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3 speed...66 supports are all alone....trucks up to F700 fit as well as some bus models...as to find one......SW US....wrecking yards are the only bet unless someone here is parting a 66.....
Are you sure on the larger truck fitting? I looked at '66 F250 and F350's and they were not the same. It could have been production date or something, but all the '66 F100 2 wheel drive had the proper core support. Too bad they were so badly rusted.
heres the skinny on the interchange on the supports for the 61-6 rigs....
61-4 100/250 2WD, '65 100 4WD, 65/6 250 4WD, 61-6350-600, 61 700(81 body type),700 & 750(body type 84) before number 170,001, 61-6 B500/600 and 61 B700/750 before unit 170,001
The above trucks use a C2TZ16138G
66 100/250 2WD use a C6TZ16138B
66 100 4WD and 65 100/250 2WD use a C6TZ16138C
So there ya all have it...3 different supports used
This should clear up any and all confusion.....maybe a sticky on the interchange would be a good idea.....just a thought.....
wrecking yards are the only bet unless someone here is parting a 66.....
-cs65
Someone is.
3speed66, I posted this ad in the FTE Classifieds. If you're interested, and haven't done so already, feel free to send me an email, stang at indy dot net. If you need any other parts let me know as well. I don't have many left but who knows, perhaps the parts I do have left are the ones you need.