OK. Thanks for the input. I am pretty much all set with good GM parts and was planning on using the single piston calipers as the 4 piston limit wheel choices due to the size of the calipers. One last question. I have a restored 9" booster done by Mike G ready to go. Have been toying with the idea of using an 11" 67 up style which I would have to buy. Would the 11" perform any better than the 9"? as I am concerned with having enough vacuum? Or just stick with the 9"? I also have good 2 piece rotors that I was going to use which I believe will work with the single piston calipers but not sure about that? Thanks again!
Last edited by BillD; 07-02-2025 at 09:31 PM.
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