Gear Switch 3.21 to 3.92

Joeyp

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#1
Anyone know if the dealer can change the gear ratio and re flash computer? Im regretting not getting the 3.92 and would like to switch if possible when my truck delivers. I dont think it would be too much $$
 

Goatmann

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#2
Anyone know if the dealer can change the gear ratio and re flash computer? Im regretting not getting the 3.92 and would like to switch if possible when my truck delivers. I dont think it would be too much $$
Yes the dealer of your choice can swap out the rear diff gears, please be seated when you call them and inquire as to the cost. The thought has been kicked around a few times here.
 

jmr

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#6
Hard to imagine it was just a $95 option from the factory.
I have 3.92 in my 2019 and had 3.21 in my 2016 the 3.92 does pull better and I've not really seen a mpg hit either.
 

Joeyp

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#7
Hard to imagine it was just a $95 option from the factory.
I have 3.92 in my 2019 and had 3.21 in my 2016 the 3.92 does pull better and I've not really seen a mpg hit either.
I rejected my truck that finally delivered on Wednesday and reordered a new one with the 3.92 :)
 
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#8
Hard to imagine it was just a $95 option from the factory.
I have 3.92 in my 2019 and had 3.21 in my 2016 the 3.92 does pull better and I've not really seen a mpg hit either.
I agree on the mpg difference. Unless you live in a very flat area and drive all highway I feel the 3.92 is the better all around option.

As for the $95 option that is all BS. Its the same gear set just different ratio. Can't believe they are charging us anything for the option. Upgrade from v6 to v8 - sure but just selecting a different gear ratio during build? Should be a no-charge option. LOL.
 

Joeyp

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#10
Thanks....They even parked it right outside the window before I ordered the new one just in case I'd change my mind! Just want anyone to know on here that it is possible...just need balls lamo
 

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