8x165 Wheel Question

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Sep 16, 2012 | 09:00 AM

#16

bashby

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From: Charles Town, W bygod Va

Quote:

Originally Posted by Diesel_Brad

A ZF5 will have pro covers a MOD5 will not.

Sounds like you need to change the gear that goes into your t-case for the speedo

pto..............

Sep 16, 2012 | 10:09 AM

#17

Diesel_Brad

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From: Gilbert, PA

Quote:

Originally Posted by bashby

pto..............

yeah, what he said

Sep 16, 2012 | 11:58 AM

#18

willworship

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My tranny has the rubber gaskets for looking in on the outside driver's side. I don't see any bolt on pto covers...
Sorry I'm fairly new to tranny stuff. I appreciate you sharing your knowledge, guys.

Sep 16, 2012 | 12:47 PM

#19

firewood truck

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From: Charm City

Quote:

Originally Posted by willworship

It's an 89. When I took the tranny off to replace the clutch, pressure plate, and the internal slave cylinder (which was leaking and the cause of the problem) right after I bought it, the best I could tell from other descriptions was that it was a M5OD, but I could definitely be wrong. That was my first tranny work.

Any clues to telling the difference?

This is that 'grey area' with the light duty F250's and the heavy duty F250's. The light duty ones came w/ the 5.0 and the Mazda trans, just like a Bronco/F150. The heavy duty F250's came w/ the 5.8 and the ZF transmissions.

Sep 16, 2012 | 01:07 PM

#20

bashby

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From: Charles Town, W bygod Va

The zf's have a tag on the left side, I believe. Should say ZF5 SF42 or SF47. Heres a picture: ZF S5-42 Standard ( Manual )Transmission Parts and Diagram

Sep 16, 2012 | 01:49 PM

#21

willworship

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Quote:

Originally Posted by firewood truck

And my F250 has the inline 6... Like I said-- Frankenstein.

Sep 16, 2012 | 02:24 PM

#22

Diesel_Brad

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From: Gilbert, PA

Never seen a F250 w a MOD5. All had ZF5

Sep 16, 2012 | 04:03 PM

#23

bashby

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From: Charles Town, W bygod Va

the door sticker would tell us what it came with from the factory.

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Sep 16, 2012 | 04:18 PM

#24

willworship

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I didn't even think to check the door sticker for info about the tranny. I'll check it...

Sep 16, 2012 | 04:42 PM

#25

willworship

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Sep 16, 2012 | 05:59 PM

#26

willworship

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Quote:

Originally Posted by Diesel_Brad

That is odd. a 33 is 32.6" tall and a 235/85/16(stock size) is 31.7" tall. That should NOT equate to 13 mph off. @ 65 you speedo should read 62-63mph with your current 33" tires

From the sticker, it looks like my factory tires were 215/85/16 (30.4"), which is a little closer to these potential tires, and my gear ratio is 3.55. Is that better for the potential change in tires, or worse than 4:10?

I take it the "M" tranny code means the M5OD, too?

I guess I just have a weird F250...

Sep 16, 2012 | 08:02 PM

#27

Diesel_Brad

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From: Gilbert, PA

Yup, that is a MOD5

Sep 16, 2012 | 08:12 PM

#28

willworship

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Quote:

Originally Posted by Diesel_Brad

Yup, that is a MOD5

Sorry, I've been typing that backwards this whole time...

Sep 16, 2012 | 08:22 PM

#29

Diesel_Brad

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From: Gilbert, PA

No. I think you are right M5OD

Sep 17, 2012 | 07:03 PM

#30

firewood truck

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From: Charm City

Quote:

Originally Posted by Diesel_Brad

Never seen a F250 w a MOD5. All had ZF5

not so, my '90 came w/ the 5.0 and the MOD5 trans.

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