I don't know too much about this, but on the ford boss blocks, the freeze plugs are threaded pieces. Couldn't you just tap the freeze plug holes and put in a threaded plug??? Would it work???
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1995 F-350 XLT CC 2wd DRW LB, 96 215 hp cummins, zf-6 sp, SBDD, HE351cw/s475/1.10 twins, SDX 5x14s, 4k springs, 10 & 0 TST plates, Mod AFC, TwinRam, ATS exh man, AFE, 5" exh, US Gear OD
1995 F-350 XLT CC 4x4 SRW LB, 97 215 hp Cummins, Built 4r100, upgrading now
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