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> Trans Gear oil, What's the best
Jaiden
post Oct 7 2005, 06:07 AM
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So in my other thread I'm trying to tighten up my tailshifter slop and have drained the tranny to check the roll pin on the shift shaft.

I'm gonna have to fill it back up but want to know what's best to use in the tranny.
I would like to also know if any addatives are recommented to help out with seals/ syncros/ you know friction modifier that kind of thing.

Thanks in Advance!
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Jaiden
post Oct 7 2005, 01:26 PM
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Of course I bought 3 quarts (IMG:http://www.914world.com/bbs2/html/emoticons/clap.gif)
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914fan
post Oct 7 2005, 03:39 PM
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When my trans was rebuilt by Carters in bigbear Ca I was told to run GL5. The tranny siezed and I was promptly told that I should have run GL4. I was told that GL5 is for limited slip and I do not have that. My trans was re-rebuilt and has run GL4 for 30K or so. What am I missing.
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slivel
post Oct 7 2005, 05:41 PM
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No, GL-5 does not designate limited slip use. Many high quality gear oil manufacturers make two versions of GL-5 (and GL-4 for that matter), one for non limited slip and one for limited slip. The difference is that one has friction modifiers added. See Capn Crusty's explanation - GL-5 is a higher pressure rating. That's pressure between gear mating surfaces. GL-5 should give your gearbox greater protection as long as its friction qualities allow proper synchro engagement.
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Dead Air
post Oct 7 2005, 05:45 PM
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QUOTE (Jaiden @ Oct 7 2005, 04:07 AM)

I'm gonna have to fill it back up but want to know what's best to use in the tranny.

[QUOTE]

I'm wondering...
What do you do with old stuff? (IMG:http://www.914world.com/bbs2/html/emoticons/confused24.gif)
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