Gear Oil

V6 Technical/Performance Discussions
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meee61
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Joined: September 2nd, 2005, 2:55 pm

Gear Oil

Post by meee61 »

I have read alot of comments about redline and Royal Purple gear oil but not many comments about Synchromesh gear oil (GM, Pennzoil, Quaker State brands). Is it safe to use Synchromesh gear oil in a manual transmission (these brands of Synchromesh gear oil only specify for use in GM and Chrysler) and Synchromesh gear oil is not the same weight as specified in the online shop manual.
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mxmaz
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Post by mxmaz »

It is really good stuff. I use it in my transmission. It is more talked about on probetalk.com and the probe gt use the same transmissions as us.
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hppwdn
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Post by hppwdn »

People like the syncromesh because it's apparently made for transmissions with brass synchros.
92 MX3 Turbo ($100 junkyard KLG4) 11.904 @ 124.3mph, 14psi, DOT approved Hoosier drags, pump gas.
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As of July 2011 the MX3 has been retired and sold.
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meee61
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Joined: September 2nd, 2005, 2:55 pm

Post by meee61 »

Ya I have heard good things about Synchromesh fluid.

2nd and third gear in my tranny are a bit rough when its cold so I double clutch until it warms up. I switched to synthetic but it was no better than what was in the car to begin with. Then I found this MX-3.com site, if I found it sooner I would have tried redline, royal purple, or synchromesh before the I tried the synthetic. I hope that the synchromesh will clear up the rough shift into 2nd and third a bit. The shift into second and third are not too bad right now, just trying to get as long as I can out of this transmission before a rebuild/replacement.
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