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Old 02-17-2006, 02:39 PM   #1
rames14
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Join Date: Aug 2004
Location: Livermore
Posts: 5,148
M.O.C. #1920
Allison 6 Speed Conversion

Has anyone upgraded their 5 speed allison to a 6 speed? I know it is just a software change, but don't know if anyone is doing it retro. Would appreciate any feedback. Also, if you did, was there a change in fuel economy?
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Ron and Terrie Ames - MOC #1920/KF0NTA
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