Gears
#1
03-11-2018, 11:21 PM
#2
03-11-2018, 11:22 PM
Posting Guru
#3
03-12-2018, 08:32 AM
#4
03-12-2018, 09:56 AM
#5
03-12-2018, 11:25 AM
#6
03-12-2018, 04:45 PM
#7
03-12-2018, 05:54 PM
Trending Topics
#8
03-12-2018, 10:03 PM
I have a 6.2 with 4.30’s and installed 35’s a few months ago. The truck had the 275/70/18’s and it should have changed my effective ratio to about a 4.1 or so. That’s what I remember looking up prior to making the tire change. The seat of the pants feel isn’t much different in acceleration or performance either. My mileage hasn’t changed enough to notice either. I just found a tire size/gear calculator online and you can enter in your combinations and it will give you the effective ratio.
#9
03-12-2018, 10:17 PM
#10
03-20-2018, 03:04 AM
#11
03-20-2018, 06:35 AM
Many like Yukon. Randy's is a popular place to check what's available and order. Since you have a gasser, you have the Sterling 10.5 as opposed to the DANA M275. I tried looking up a 2017 on Randy's site and they only show M275 options that fit the 6.7. However, I searched by Ford 10.5 and see all the options for your Sterling diff. Don't forget, since your 4x4, you'll need to do the front too. https://www.ringpinion.com/DiffWizard.aspx
#12
03-20-2018, 08:16 AM
Senior User
https://eastcoastgearsupply.com/
I ran 4.88 yukons in my 6.2L Sierra. It was a beast even with the 38/15.50 hankooks.
I ran 4.88 yukons in my 6.2L Sierra. It was a beast even with the 38/15.50 hankooks.
#13
03-20-2018, 10:51 AM
Don't fear the gear.
4.30 is a waste of $2000. If you're going to do it, go 4.56 (36") or 4.88 (38"). 4.30 is hardly an improvement with the gasser, maybe perfect with the diesel though. Yukon has the proper gears. Add a Yukon Grizzly locker up front at the same time, or the zip locker if you can't handle a Detroit style diff. It's only $500 more and takes the F250 Fx4 to Powerwagon levels of 4x4 competence.
4.30 is a waste of $2000. If you're going to do it, go 4.56 (36") or 4.88 (38"). 4.30 is hardly an improvement with the gasser, maybe perfect with the diesel though. Yukon has the proper gears. Add a Yukon Grizzly locker up front at the same time, or the zip locker if you can't handle a Detroit style diff. It's only $500 more and takes the F250 Fx4 to Powerwagon levels of 4x4 competence.
#14
03-20-2018, 02:58 PM
Don't fear the gear.
4.30 is a waste of $2000. If you're going to do it, go 4.56 (36") or 4.88 (38"). 4.30 is hardly an improvement with the gasser, maybe perfect with the diesel though. Yukon has the proper gears. Add a Yukon Grizzly locker up front at the same time, or the zip locker if you can't handle a Detroit style diff. It's only $500 more and takes the F250 Fx4 to Powerwagon levels of 4x4 competence.
4.30 is a waste of $2000. If you're going to do it, go 4.56 (36") or 4.88 (38"). 4.30 is hardly an improvement with the gasser, maybe perfect with the diesel though. Yukon has the proper gears. Add a Yukon Grizzly locker up front at the same time, or the zip locker if you can't handle a Detroit style diff. It's only $500 more and takes the F250 Fx4 to Powerwagon levels of 4x4 competence.
thanks
#15
03-20-2018, 03:14 PM
Many like Yukon. Randy's is a popular place to check what's available and order. Since you have a gasser, you have the Sterling 10.5 as opposed to the DANA M275. I tried looking up a 2017 on Randy's site and they only show M275 options that fit the 6.7. However, I searched by Ford 10.5 and see all the options for your Sterling diff. Don't forget, since your 4x4, you'll need to do the front too. https://www.ringpinion.com/DiffWizard.aspx
thanks sir