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Thread: Trans gauges
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03-13-2005 #4
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- Aug 2004
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Wasn't there another thread on this recently?
My understanding was that 180 degrees is for "infinite" life of the fluid (probably still service it at 100k, as you may not have oxidized it, but no filter is perfect and there's still crud that I'd want to get rid of), you can run at up to 220 and not damage any transmission internals AS LONG AS you service it every 25k miles or so. Permant damage to seals BEGINS around 250 or so. The 4l60e doesn't even go into hot-mode operation until 275.
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