C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

zf6 speed question

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Old Sep 22, 2005 | 12:21 AM
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From: jojobe Tx
Default zf6 speed question

has anyone had a problem running mobil one full sythetic in there zf6 speed? I was told any motor oil 5w-30 wgt would work and ive had this in it for about 100 miles.Should i change the fluid?

Last edited by Caleb56; Sep 22, 2005 at 12:46 AM.
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Old Sep 22, 2005 | 12:41 AM
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From: Why are there squished peanut butter cups in my underware?
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http://www.zfdoc.com/techinfo.htm
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Old Sep 22, 2005 | 07:15 AM
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Originally Posted by Caleb56
has anyone had a problem running mobil one full sythetic in there zf6 speed? I was told any motor oil 5w-30 wgt would work and ive had this in it for about 100 miles.Should i change the fluid?
Read the above link, and the Tech FAQ sticking at the top of this forum. Also, ZF's web site:

http://www.zf-group.com/am/pc/pt/ampcpt03.phtml

Basically, you're damaging your transmission with Mobile 1 in there. You need a GL rated oil, only two oils are "approved" for use in the ZF6.
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Old Sep 22, 2005 | 06:55 PM
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From: jojobe Tx
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Changed fluid to tws castrol running great now. Thats a relief
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