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1992 B2200 manual transmission fluid/oil?

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Old 01-11-2019, 09:49 PM
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Default 1992 B2200 manual transmission fluid/oil?

Iíve seen some contradictory stories about which fluid to put in our 5spd manual transmissions. Right now Iím running synthetic manual transmission oil with about a quart of royal purple syncromax. I get minor gear mesh issues going from 1st to 2nd. Little crunchy, like the syncros arenít super happy only in the first 3-4 times going from 1st to 2nd quickly after warmup. When I drained the oem fluid it was clear (not red) so I did not add ATF to the trans because Iíve never added it to a manual, ever. Any input? I have a spare trans but would rather use the correct fluid to begin with.
 
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Old 01-12-2019, 03:01 AM
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1992 Mazda B2200

Manual Transmission
Service Refill Capacity: 2.0 Litres
CASTROL AXLE EPX 80W-90
Extreme pressure, multi-purpose gear oil designed for the protection of heavily loaded steel gears. It is recommended for use in differentials, gear boxes and steering gears of passenger cars, light trucks, farm tractors and earthmoving equipment
 
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Old 01-12-2019, 07:38 AM
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Originally Posted by grim_reaper View Post
1992 Mazda B2200

Manual Transmission
Service Refill Capacity: 2.0 Litres
CASTROL AXLE EPX 80W-90
Extreme pressure, multi-purpose gear oil designed for the protection of heavily loaded steel gears. It is recommended for use in differentials, gear boxes and steering gears of passenger cars, light trucks, farm tractors and earthmoving equipment
So i'm good with the 75w90/80w90 gear oil thats in it, thats nice. i was reading that people are putting ATF in their trans and that didn't seem right. Thanks for the clarification.
 
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Old 01-12-2019, 08:33 AM
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I use 80W-90 gear oil in my 1988 B2200 gearbox and differential, 216K on it now. I use the little pump that screws onto the top of the gear oil containers. I made a little loop from a short piece of copper tubing to insert into the plastic hose of that, keeps the tube in place in the side of the transmission while I pump the gear oil in.

And keep the gear oil containers inside or in the sun to warm it, will pump easier.
 
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