Quote:
Originally Posted by MetroMPG
The Suzukiclone transmissions also have weak 2nd gear synchros. My first one ground going up & down through 2nd. When I switched from 70w90 gear oil to a much lighter oil (approx 5w30 weight) the crunchiness lessened dramatically. Not perfect, but good.
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Thats the weird thing about it, it only grinds going from 3rd->2nd. 1st->2nd no matter the RPM is a clean shift. Right now I'm running Redline MTL in it which is I think is a 70w-80 lube. Poking around HT and here shows that GM Syncromesh Friction Modified seems to help revive or give the syncros enough grip to work again.