It looks like Chevy used two different big block rear brackets in 1970. I have installed a rectangular bracket about 3.4 inches long, and the vacuum advance hits it. I found a shorter bracket with the top corners cut off that looks more like Figure M 7.17 in the 6th Edition of the 70-72 Judging Guide. Here is a link to it:
https://www.classicindustries.com/pr...E&gclsrc=aw.ds
Does this bracket look correct?
Thanks,
Allen
https://www.classicindustries.com/pr...E&gclsrc=aw.ds
Does this bracket look correct?
Thanks,
Allen
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