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How far can you "tune" a 4L80E?

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Old Mar 30, 2011 | 08:11 PM
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Country Boy
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Default How far can you "tune" a 4L80E?
I know the 60E likes to puke its guts with too much of a pressure increase, but how far can the 80s pressure be pushed? Im just looking to firm up the normal shifts. I hate floating between gears.
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Old Mar 31, 2011 | 05:16 AM
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I've seen people pushing 200psi max in forward and 290psi max in reverse, I'm not sure how much higher you can go.
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Old Mar 31, 2011 | 07:25 AM
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Default Tune
It's not all about pressure to make one live .. Shift speed is a major factor. Best tips I can give you is make the gears in the trans pull the truck not hp of the engine.. No matter what trans it is
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Old Mar 31, 2011 | 09:28 AM
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What about shift times? Ive always read that anything below .250 on a stock 60e is bad, but what about a stock 80e?
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Old Apr 1, 2011 | 01:05 AM
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0.0000000000000000000000000000000
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