Deleted on 40's, whats your mpg/gear setup? - Ford Powerstroke Diesel Forum
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post #1 of 31 Old 07-14-2014, 07:09 AM Thread Starter
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Deleted on 40's, whats your mpg/gear setup?

I'm strongly considering going big on 40x15.50x22 and 22x12's and am wondering for those of you who are deleted what kind of MPG you're seeing and also more importantly what gears you're running.

I know quite a few people haven't regeared and are on 3.55's still so I expect their mileage to be significantly worse especially in the city than someone on 4.10's or 4.30's but am just curious how big the difference will be.

FWIW I'm at 20-21mpg highway deleted on 35x12.50's with 3.31 gears now. I'm thinking that with 4.10's I should still have decent highway mileage like 16-17 but am looking for first hand experience.

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post #2 of 31 Old 07-15-2014, 01:18 PM Thread Starter
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post #3 of 31 Old 07-15-2014, 03:15 PM
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Im not on 40's but 37's and am seeing 15-16mpg deleted. Still running 3.55's but will be going to 4.11's here soon. Hoping to help with my mpgs and and take some stress off the drivetrain

2011 6.7 Powerstroke - 8" BDS lift - 37" Toyo M/T's - 20" Fuel Wheels - SCT Deleted - AFE Drop in filter
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post #4 of 31 Old 07-15-2014, 04:07 PM
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Originally Posted by Axis2011KR View Post
I'm strongly considering going big on 40x15.50x22 and 22x12's and am wondering for those of you who are deleted what kind of MPG you're seeing and also more importantly what gears you're running.



I know quite a few people haven't regeared and are on 3.55's still so I expect their mileage to be significantly worse especially in the city than someone on 4.10's or 4.30's but am just curious how big the difference will be.



FWIW I'm at 20-21mpg highway deleted on 35x12.50's with 3.31 gears now. I'm thinking that with 4.10's I should still have decent highway mileage like 16-17 but am looking for first hand experience.



Thanks!

What speeds were you running to get 20 mpg on 35s? I think you d be lucky to get 16-17 with 40s but I guess it's possible. It'll look cool no matter what. If you do it please post some pictures and real world mileage results. Good luck.


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post #5 of 31 Old 07-15-2014, 04:57 PM
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Originally Posted by Saskpowerstroke View Post
Im not on 40's but 37's and am seeing 15-16mpg deleted. Still running 3.55's but will be going to 4.11's here soon. Hoping to help with my mpgs and and take some stress off the drivetrain
X2 on this one. Is it a lot of work to switch gearing?

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post #6 of 31 Old 07-15-2014, 07:18 PM
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Was quoted by my dealership 14 hours to do front and rear gears. At $140 hour here seems pretty steep. Plus $1100 for the gears from nitro. Gonna see if i can find a better deal for install. Never done gears so dont really wanna tackle them myself.

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post #7 of 31 Old 07-15-2014, 09:50 PM
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Dang, $140 an hour labor, that's crazy. I'd definitely find another place. I'm in NY, and I thought $95 was high. Luckily though my dealer is only $80/hr, and the other two shops I go to are $85.

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post #8 of 31 Old 07-15-2014, 11:20 PM
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13 MPG City on 38's with 3.55's...
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post #9 of 31 Old 07-15-2014, 11:32 PM
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Man you guys are lucky shops up here are 180-240/hr depending on quality. I'm curious for anyone with 3.31s who re geared was there a way to keep the elocker functioning?

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post #10 of 31 Old 07-16-2014, 01:11 AM
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Man you guys are lucky shops up here are 180-240/hr depending on quality. I'm curious for anyone with 3.31s who re geared was there a way to keep the elocker functioning?

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Most I have been quoted is 95$/hr here in NC. 240$/hr is huge money.

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