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Old May 6, 2007 | 05:11 PM
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What kind of fluid are most of you T-56 guys running? I am giong to chang mine today or tomorrow and wanted some suggestions.
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Old May 6, 2007 | 10:38 PM
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I really like the B&M synthetic trick shift. Amsoil is also good stuff. and im sure royal purple makes some atf.
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Old May 6, 2007 | 11:20 PM
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Just finished up and went with mobil1. I can't tell any difference what so ever!!!
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Old May 7, 2007 | 10:17 AM
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Mobil 1 with Problend ATF additive. It is a cooling additive, like "water wetter", but for ATF
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Old May 7, 2007 | 01:17 PM
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Redline D4 ATF synthetic.
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Old May 12, 2007 | 06:49 PM
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Originally Posted by lowcell
What kind of fluid are most of you T-56 guys running? I am giong to chang mine today or tomorrow and wanted some suggestions.
Been running AMSOIL ATF in mine since 2004 with no failures in three seasons of racing.
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Old May 13, 2007 | 08:23 AM
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I changed to Mobil 1 at about 49,000, then have sixth gear grinding problems after 51,000 miles. I then tried Amsoil ATD, although Amsoil ATF will work also. I have over 103,000 miles on original transmission and clutch.

Appearently these transmissions are sensitive to dirty fluid. I don't understand why GM says you never have to change fluid ?
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