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Hey check out this post over at ls1tech:

http://www.ls1tech.com/forums/showthread.php?s=c4368a3ade97f95ab1c66ce62e055615&t=659508

...a bunch of people arguing over whether synthetic transmission fluid is actually worse for the 4L60E than regular fluid. Apparently some think that the synthetic is more "slippery" therefore causing premature tranny failure. I just put a fresh tranny in mine last night and bought synthetic. I haven't put it in yet, but now I'm just wondering what people think. Should I just stick with regular old DM III?? Thanks.

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97 white Z28. Borla/SLP catback, HPP, 160 thermo, Lingenfelter CAI, Harwood 3" cowl induction hood, TR-55 plugs, airfoil,

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[ Edited on 05/12/2008 @ 13:17:34 ]

I used this in my rebult 4L60E in my 94 formula.

The transmission had less than 5k miles on it when I did the fluid change to the b&m synthetic. It didnt make it to 6k. Weather it was failure due to a bad rebuild or the tranny fluid is subjective.

I think there is a reason that the synthetic tranny fluid hasnt caught on. If it was great stuff, it would be all over the boards, but you just dont hear anyting about it.

Stick with what works. This way your not second guessing yourself.


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94 Formula: sold
00 WS6: sold
1993 Z28: CIA, Hooker LT's, Mufflex Y,!EGR!AIR!CATS

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Posted By: Fury_786 On: 05-12-2008 @ 20:41:39     Reply | Top | Edit

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LS1 Tech FTL!

just a bunch of asshats arguing about everything
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2001 SS - Few mods
so far...7.64 @ 96mph - FTW!

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