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6 speed automatic vs. 4 speed automatic 6 speed automatic vs. 4 speed automatic
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Old 10-16-2009, 02:00 PM
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6 speed automatic vs. 4 speed automatic
I am wondering how a 6 speed automatic would compare to my 4R75? Would I notice increased fuel economy?

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Old 10-16-2009, 02:05 PM
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Quote:
Originally Posted by Huntersbo View Post
I am wondering how a 6 speed automatic would compare to my 4R75? Would I notice increased fuel economy?
If you are thinking of replacing a 4 speed with a 6 speed, can that be done? Will someone have to write a program for it, using the older engine etc and imploying the 6 speed?
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Last edited by Bluejay; 10-16-2009 at 02:40 PM.
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Old 10-16-2009, 02:39 PM
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I do know now that the trannie has it's own computer now with the 6 speed, so that would have to be brought in too.
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Old 10-16-2009, 06:04 PM
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Mark Kovalsky said in another thread that the swap is almost impossible due to the electronics issues. If you are thinking about buying a new truck, by all means get the 6 speed.
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