After getting a couple "new" speedometer heads that were junk, got a reman one from Jim carter, put it in, drove & check speed with GPS speedo app on phone. found the adapter I needed in my tool box. Ran it again, right on the money!


BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022