4.56's vs 4.10's

i have 4.10s right now, bought 4.56's but they have yet to be installed. meant to get high 3 somethings because i wanted better mpg and have a low range 4wd transfer box if i do go offroading, but i went the other way as i was a stupid uneducated consumer.

how much more mpg will i lose? currently 55mph in fifth is 2000rpm

also, im on stock 31's, was considering 33's but now, shit...

 

Keep the 4.10s with the 31s man.

Unless your going with 33s, the 4.56s will not go great with the 31s. You have low end torque like crazy tho! lol But if its a DD and hwy truck..don't put em in unless you get 33s.

 

I'm sure you could find someone to sell the gears to at a minimal loss then get your self a set of 3:73's to go with those 31 inch tires, a little less power but mileage will be better. 3:73's should have been the default gearset in these trucks. If thats your truck flashing thru the pics it looks identical to mine.

 

Would they fit my truck?

 

i think with a lift that high, you should just get the 33s and refresh your beat up diffs with the new gears.