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So gearboxes...... S80, S9B, S4C, Y21????


Ralston
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I'm going to change a Y21 gearbox and put current 4.7 lsd final gear in it. I'll get good 2-3 gears and long 5 gear. 5 will be good for motorway driving and the revs will be about 500rpm lower than with s9b.

..and of course the old flywheel and clutch will be thrown away and be replaced by lighter flywheel and stage 1 clutch. :D

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