Need to regear? - Ford Powerstroke Diesel Forum
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Old 11-28-2010, 10:29 AM
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Need to regear?

Hey guys, im not very technical when it comes to these trucks so I was wondering if you could help me out. I bought an 02 F350 psd 4x4, it has an 8in lift with 37's. The guy I bought it from left the gears stock. Would it be recommended to change them, and if so what to? Thanks
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Old 11-28-2010, 10:48 AM
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If you change I would go with a 4.10 or a 4.30. You will lower your EGTs by changing the gears.

How does it feel right now with the stock gears?
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Old 11-28-2010, 06:59 PM
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And if your gonna tow alot and not do alot of highway driving, maybe even go to a 4.56. Even changing out your gears you will help your life on your trans if you have an auto
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Old 11-29-2010, 06:09 AM
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My first lift was a rubicon express 6.5" lift and I ran 37" tires. I have a 02 with the 7.3L psd also and I had the stock 3.73 gears and regeared to 4.30 gears and it was good!! But decide if you are going to ever go higher and run a bigger tire before you regear! Costly to keep regearing.
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Old 11-29-2010, 10:22 PM
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It runs really strong right now, it has a bullydog chip and banks exhaust. I'll do a decent amount of towing with it but i'm definitely not gonna go any higher on the lift. Most of the driving will be highway with a little dirt, mud n snow. I just wanna know if its something I need to do to avoid any issues (like the tranny)...I appreciate the input!
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Old 11-30-2010, 03:43 PM
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4.30's would be best imo and it would help your tranny quite a bit.
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Old 11-30-2010, 06:17 PM
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It will also help you mpg and restore your power band were it should be!! You`ll be glad you did the regear !!
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Old 12-01-2010, 09:31 AM
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Quote:
Originally Posted by RPijuan24 View Post
It runs really strong right now, it has a bullydog chip and banks exhaust. I'll do a decent amount of towing with it but i'm definitely not gonna go any higher on the lift. Most of the driving will be highway with a little dirt, mud n snow. I just wanna know if its something I need to do to avoid any issues (like the tranny)...I appreciate the input!
I have 37s and run 4.30s. RPMs are low enough for freeway driving at 80mph but have decent power down low. I plan on going to 38's or 40s in the future and will probably switch to a lower gear. If you want my 4.30's, maybe we can work something out. Where in cali are you located? Im in the LA/OC area. Let me know.
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Old 12-01-2010, 06:50 PM
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On the subject what is the best kit and place to get gears from. Kinda in the same boat.
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