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4a question

Rydersim

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Founding Member
Joined
Nov 25, 2021
Messages
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Location
Brusly, LA
Current Ride
2021 F-150 Tremor
What are the downsides of always driving in 4a? I know sport mode puts it in 4a but what about driving around regularly in normal mode 4a? I would think maybe a mpg decrease but really not sure. Thanks
 
Impact on mpg, that’s about it. I won’t hurt anything and you get the benefits of AWD for the price of gas.
 
Impact on mpg, that’s about it. I won’t hurt anything and you get the benefits of AWD for the price of gas.
I may run a test to see an mpg difference.
 
I drove it in 4a for 3 days and just lost a tenth of average mpg during the time, it runs in 2 wheel drive till it feels slippage then engages the front, so honestly it doesn't effect much. I have a buddy who has driven his lariat in 4a for 3 yrs.
 
I don't like the torque steer you get with a Torsen front diff, so I only use it when I need it.
 
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