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Old 05-27-2010, 10:29 PM   #11 (permalink)
comptiger5000
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Join Date: Feb 2010
Location: CT, USA
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RaceJeep - '98 Jeep Grand Cherokee (ZJ) 5.9 Limited
90 day: 13.62 mpg (US)
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Just don't go too far with that adjustment. Setting it to shift sooner tends to lead to lower line pressure in the tranny (in some cars), which can cause soft shifts and/or slippage, leading to shorter tranny life.

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