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View Full Version : anyone know the thread and bolt size for 60's gm tranny mount?


keith4909
10-29-2016, 12:23 PM
Thank you
SPLATT71MC
10-29-2016, 12:29 PM
Most likely 3/8x16.
keith4909
10-29-2016, 08:50 PM
Tried that but it's too small. I read half inch but that seems too big
Schwartz Performance
10-30-2016, 05:25 AM
Probably a 7/16 coarse thread then.