Well, well. Here I thought I knew every bolt on a T type. I was one of the
guys voting for 8 x 1.0 mm metric thread based on all other bolt threads of
that size being 8 x 1.0 mm on the TD/TF gearbox. So after seeing the email
below, I thought those guys are smokin' the same dope or the same DPO
re-tapped the threads. I went out with a new 5/16" BSF bolt and a new 8 x
1.0 mm bolt to try them on various TD/TF gearbox casings. Sure enough,
5/16" - 22 tpi BSF bolt fits on seven different casings. I stopped there (
others were buried under other junk ) as surely the same DPO can't have
visited Australia, USA and Canada. So I was wrong, Ed was right, 5/16"- BSF
rules for the exhaust bracket mounting to the gearbox.
Bob Grunau
To all,
Of course Douglas' bombshell that the threads were 5/16 BSF (according
to Ed Woods) sent me directly to the basement to check a spare
transmission case that I have (after all, we have been assured for the
past how many years that all of the fasteners in the XPAG/XPEG engines
and the transmissions are all Nuffield Mad Metric). Sure enough, the
threads for those two positions are 5/16 BSF, but ONLY for those two
positions, the rest of the threads in the case are Mad Metric, with 8 X
1mm being the large majority of threads. We now all have a great tidbit
of trivia regarding the TDs & TFs that will come in handy for winning
bar bets. Thank you Douglas and Ed.
Cheers,
Dave
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