Need to regear? - Ford Powerstroke Diesel Forum
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post #1 of 9 Old 11-28-2010, 09:29 AM Thread Starter
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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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post #2 of 9 Old 11-28-2010, 09:48 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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post #3 of 9 Old 11-28-2010, 05:59 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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post #4 of 9 Old 11-29-2010, 05:09 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.

2002 ford f250 4x4 Lariat. Dark shadow gray with custom painted pearl silver with purple flames, 12.5" Icon lift with OneUpOffroad traction bar block system , OUO driveline drop bracket,Clocked transfer case, 38" MT claws on 18x10 weld dune 8 wheels. MBRP t-304 cool dual exhaust& custom ss t-304 flame tips, AFE stage 2 CAI & custom tunes from elite diesel on XCAL2 , Killer stereo system and lots of billet and flames!! http://good-times.webshots.com/album/556844448GVUyhu
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post #5 of 9 Old 11-29-2010, 09:22 PM Thread Starter
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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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post #6 of 9 Old 11-30-2010, 02:43 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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post #7 of 9 Old 11-30-2010, 05:17 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 !!

2002 ford f250 4x4 Lariat. Dark shadow gray with custom painted pearl silver with purple flames, 12.5" Icon lift with OneUpOffroad traction bar block system , OUO driveline drop bracket,Clocked transfer case, 38" MT claws on 18x10 weld dune 8 wheels. MBRP t-304 cool dual exhaust& custom ss t-304 flame tips, AFE stage 2 CAI & custom tunes from elite diesel on XCAL2 , Killer stereo system and lots of billet and flames!! http://good-times.webshots.com/album/556844448GVUyhu
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post #8 of 9 Old 12-01-2010, 08:31 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.

2003 7.3L
DP Tuner
9.5" lift
37" Toyos
JW Trans
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post #9 of 9 Old 12-01-2010, 05:50 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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