Saturday, March 5, 2016

4 speed close ratio gearbox

Decided to take some gearboxes out, known for not being so good, S50 and S65, combine with a little SS50 and some more modern parts, and create another 4-speed close ratio.
Not as close as the racing gearbox, but nice for a spare racing engine, or any other future build.

13-35
18-29
21-26
23-24

when installed in a racing engine, I might even replace 1st for a 14/33 or 14/32 with long shaft for mounting a clutch.


Seen in the picture, the special tool for shimming the gearbox and checking if all the gears line up correctly, a must when combining things like this, as only the 4th gear shift drum really worked for this setup.

1 comment:

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