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Knurled
Knurled GRM+ Memberand UltimaDork
6/10/15 11:19 p.m.
Trans_Maro wrote: In reply to Kramer: Every Toyota in the 80's needed a pilot bearing then. Reverse is unsynchonised in most (if not all) transmissions, that's why it crunches.

And pilot bearings don't do anything when the clutch is engaged...

Unsynchronized Reverse went out in the 80s, man. I think the last ones were the VW 020 and Saturn transmission because they actually moved gears in and out of mesh, old-school.

Easy way for me to remember if I put an FB of FC trans in my RX-7 is if Reverse is synchronized - FCs have synchronized reverse and FBs did not, so Mazda did the change sometime around then.

Streetwiseguy
Streetwiseguy PowerDork
6/10/15 11:21 p.m.

I once owned a J20 quadratrac Jeep. When it was -30, I had to warm the engine for a couple of minutes, then floor the throttle to get it to move. Many big, heavy turning gears and bearings with thick old oil in that thing.

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