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Correct bolt for a '65 "S" transmission
Posted: Wed Feb 24, 2021 4:08 pm
by DonRacine
Which one of these is the correct bolt as used on output flanges
Re: Correct bolt for a '65 "S" transmission
Posted: Wed Feb 24, 2021 4:30 pm
by GraemeC
On a '65 I would say the one on the left, with a spring washer.
The reduced head type were much later - I think they came in with the DAM**** cases.
Re: Correct bolt for a '65 "S" transmission
Posted: Wed Feb 24, 2021 8:24 pm
by agricola
Definitely the left: In 1965 to distinguish from BSW,BSF and those new fangled metric stuff, bolt suppliers to BMC Ford produced unified bolts with a dimple in the middle to identify the un thread as per your photo. The strength of the bolt was signified by a letter "high tensile" had a letter S which is equivalent to 8.8