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Old 11-09-2011, 01:49 PM
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snrusnak snrusnak is offline
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Join Date: Jan 2011
Location: Orlando
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Vehicle: 2010 Dodge Ram 1500
Trim Level: SLT
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Engine: 2008-20?? 287ci (4.7L) PowerTech V8 310hp 330lb/ft
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Yes, I think as vehicle computers began monitoring more and more inputs with more sensors, the shifting and converter lockup gets more sophisticated. I'm pretty sure my old '89 700-R4 had fewer shift and lockup commands from the computer than my '12 Express. There are definitely still mechanical-only aspects affecting shifting and lockup, but I'll bet a nickel the computer is the biggest factor these days. I'm new to the Dodge pickup, but I read here frequently that the 6-speed auto in my '12 is basically the same 5-speed version in the '11, and that the bulk or all of the ability to have 6-speeds is a software issue and little if any large mechanical change. It's downright scary...LOL!
If you really want to blow your mind then realize that the same "6 speed" transmission you have, that is the same "5 speed" transmission that I have, is actually the same "4 speed" transmission in the early 2000's chrylsers. Identical physically, different programming. I believe they get different gear ratios out of them by using planetary gear systems and combinations.
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