69redspit
Member since Aug-27-10
1 posts (MGB Driver)
Aug-27-10, 05:00 PM (PST)
"synchro transmission upgrade"
I have a 1969 spit mk3 with overdrive and want to convert the trans to one that will synchro into first gear. Can I just swap out one from a later year or is it more complicated than that?
ajohnson38
Member since Aug-20-03
744 posts (TTN Power Member - a well respected man)
Aug-29-10, 02:41 PM (PST)
1. "RE: synchro transmission upgrade"
In response to message #0
I don't know the details for the overdrive transmission. but I'd assume if u can find a syncro 3-rail it would bolt in...but if I may not be correct...the output shaft the syncro 3-rail might be a bit larger than the non-syncro
tonymrfixit
Member since Dec-25-02
2633 posts (A TTN governor, governor)
Aug-29-10, 05:15 PM (PST)
2. "RE: synchro transmission upgrade"
In response to message #1
So as I see it, you want to change your MKIII, 3 syncro transmission (plus O/D), to a later 4 syncro tranny AND retain the O/D from your old 3 syncro??
If you get a pre 75 (3 rail) transmission you should be able to switch over the O/D BUT as Aaron says, check that the main shaft is compatible!! Fitting the transmission should not be a problem providing the clutch and flywheel are changed at the same time. I drive shaft from a post 75 NON O/D car will replace the old drive shaft.
Tony M 74 Spitfire 1500 84 Toyota Pickup 03 VW Golf
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