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why does Yank not recommend thicker trans fluid?

Old Feb 27, 2008 | 10:58 PM
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Default why does Yank not recommend thicker trans fluid?

I'd like to tighten my converter 200 rpms. why wont Yank recommend going with a Ford ATF, type F, whatever fluid? trans temps?
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Old Feb 27, 2008 | 11:08 PM
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No its because Type F does not have the friction modifiers that dexron does, and you may end up with converter chatter issues on lockup apply
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Old Feb 27, 2008 | 11:36 PM
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ok gotcha. thanks.
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