Gears in the rear
 

My 93 f350 has 410 gears in diff how hard will be to put 355 gears in rear

Thanks:humm:

Are you planning on changing the front as well

Not sure what you mean

Is it a 4x4 and are the differentials Danas? Also are you thinking of doing this to improve fuel mileage?

No 4x4

3:55 = Good for driving on the interstate, and cruising around.

4:10 = Good for towing/pulling heavy loads.


Which one do you do most?

355 highway

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And yes mileage I got plenty of power

As far as the switch goes, 3.55 is almost like driving a different truck, you would suffer a little bit if you lived in mountainous areas like I do, but not to bad. Usually people who get 11-13 mpg switch from 4.10 to 3.55 and see 17-19 mpg on these bad boys. They say towing will suffer as well, but I don't think so. I'm looking to do this swap as well. Be sure to do a write-up as you go! :tu:

Yes, it is going to b a couple of weeks. I have lots of different things going on. But will let ya no.........

Looking forward to seeing it done, what other modifications have been done to your truck