Using a Hypertech EnergyMax 42000
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Joined: Sep 2009
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Using a Hypertech EnergyMax 42000
I have a 98 Expy with the way too small 4.6L engine. Ever since I bought the vehicle I have hated that it down shifts on ever small bump in the road. I recently bought a Hypertech EnergyMax 42000 to see if I could change the increase the power slightly or change the shift pattern to prevent this gas drinking downshifting. My problem is when I hooked it up, it ask if I wanted to change the rev limiter + or minus? It also ask the same type of questions of shift rpms. Can some one help decipher this for me?
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Joined: Jul 2006
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From: Atlanta, GA
Let me know
I have a 99 with a 4.6L in it as well and would like to know how the programming tool does to increase performance. Once you get everything set for max performance please let me know the result. My Expy also shifts at the slightest uphill grade and is not much fun on hilly terrian. Good luck.
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CALIF-F250MAN
Modular V8 (4.6L, 5.4L)
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Nov 9, 2010 05:52 PM
