Quote:
Originally Posted by ahirt
I have a 30-31 front crossmember on my 29 CCPU. I had to have 2 adapter pads fabricated in order to put my 29 radiator on. The pads are simple. A piece of metal (aluminum or steel) with the same footprint as the rubber radiator pad and a thickness of 1/8 in. With the pads, the radiator lines up perfectly. I do still use the rubber radiator pads, and it does require the radiator mounting bolts to be 1/8" longer that the original bolts.
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Ford Service Bulletins discusses the new longer bolt page 377 (Sept 1929) and the change in the cross-member pad and the thick "shim" is discussed page 387 (Oct 1929)
At least five different bolt numbers are mentioned between the Service Bulletins and the Parts Price List.
No details in the Service Bulletins, but the two radiator hold down bolt numbers here are A20968 (Longer) and A20913 (Shorter) I could look these up in Mick Isbell's book, but it's not in front of me.
Three radiator hold down bolts and their year/applications are shown in the Parts Price List (July 1, 1931)
A20984 is 2-1/8" and has application on the later frame A-5005-C
A20975 is 2" and has application through 1931
A20916 is 1-7/8" and has application through 1930
I assume these last two are for the earlier A-5005-B frame, perhaps the difference in length is for body fit-up purposes?
A8126-R is the shim for 1928-30 when used with the later C frame.
Joe K