Quote:
Originally Posted by 'ol Pinion head
FAT soft Formula wheels...
Back in 1981, I pulled a really nice condition FAT wheel off a '74 T/A in local late model yard. Near flawless wheel, but was soft, & is to this day much softer than all my earlier FAT rim wheels. I believe it was made by another supplier OR injected out of different material. Over the years, have had quite a few soft fat Formula wheel cores that were in much worse shape. Years & years of exposure to sun & weather will soften up even an original hard FAT rim wheel, but the '74 wheel I have was def soft to begin with & so were others.
Hope this helps.
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Based on the what I have observed, the soft fat wheels started in '73. All of the '70 to '72 wheels I have seen have had the "IC" code stamped in them and were pretty firm. The '73 and up fat wheels I have seen have all seemed softer, as you describe, and didn't have the "IC" code anymore.