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Automatic Transmission 2-Speed thru 10-Speed GM Autos | Converters | Shift Kits
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Any recommendations on trans fluid?

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Old Jun 14, 2005 | 07:28 PM
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Default Any recommendations on trans fluid?
I'm tossing in a converter here soon and was seeing if there are any brands of trans fluid that are more preferable for our cars then others. I have a 01 TA.

Thanks!

Adam
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Old Jun 14, 2005 | 09:41 PM
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heard good things of valvoline Dexron III/Mercon... thats what I used
Last edited by GregWS6&z28; Jun 14, 2005 at 09:49 PM.
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Old Jun 15, 2005 | 05:13 AM
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Any name-brand, non-synthetic Dexron III will do the trick.
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Old Jun 15, 2005 | 07:21 AM
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why not synthetic? Has anyone asked GM about this?
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Old Jun 15, 2005 | 01:24 PM
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The synthetic oil is too slick and makes the clutches slip. I use the regular valvoline and works great.
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Old Jun 15, 2005 | 01:49 PM
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most synthetic is too slick, but Royal Purple synthetic is good stuff.
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Old Jun 15, 2005 | 02:52 PM
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I dont belive that synthetic can damage anything... why would royal purple and red line sell them?
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Old Jun 15, 2005 | 05:33 PM
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Originally Posted by SDB
most synthetic is too slick, but Royal Purple synthetic is good stuff.
Thats because Royal Purple is crap
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Old Jun 15, 2005 | 07:21 PM
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Originally Posted by D_Run
I dont belive that synthetic can damage anything... why would royal purple and red line sell them?
Believe it or not, there's more than one automatic transmission on the planet besides the GM 4L60E. That's why they sell them. GM does not recommend the use of synthetic ATF in the 4L60E tranny for the reasons given above. It causes excessive slippage which in turn causes excessive friction and heat.
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Old Jun 15, 2005 | 11:04 PM
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Dam I Wish I Would Of Known This Before I Bought Mobil1 Atf When I Put My Torque Converter In.
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Old Jun 16, 2005 | 08:28 AM
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There's clutches and there's clutches. The ones in the
planetaries (and the band) are different than the one
in the converter. Aftermarket converters use a variety
of materials systems that GM doesn't have any say
about, so you need to look at what satisfies -both-
vendors' recommendations. You're maximally safe with
a name brand Dexron-III straight ATF. What you can
or can't get away with, in pursuit of some or other
"feature", you really don't want to discover on your
own. Not all adventures have happy endings.
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