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-   1997 - 2003 Ford F150 (https://www.f150forum.com/f6/)
-   -   converting a 1998 to rear disc brakes (https://www.f150forum.com/f6/converting-1998-rear-disc-brakes-418581/)

cooney1946 06-09-2018 10:58 PM

converting a 1998 to rear disc brakes
 
Does anyone have a parts list of what it takes to convert the rear drum brakes on a 1998 F150 5.4V8 XLT Supercab, 9.75 rear axle, to disc brakes?

Thanks

z168 06-09-2018 11:34 PM

Yes - I am very interested on this retrofit fit too. Parts aplenty in the junkyards

kd4gij 06-09-2018 11:44 PM

You will need a 9.75 disk brake rear end with the same gear ratio as you are running. And the longer passenger side eBrake cable. That is it.

Oh and be aware 2000 and up will have larger studs. 97-99 have 12mm and 2000 -2003 have 14mm

Haydende 11-12-2018 10:27 PM


Originally Posted by kd4gij (Post 5805250)
You will need a 9.75 disk brake rear end with the same gear ratio as you are running. And the longer passenger side eBrake cable. That is it.

Oh and be aware 2000 and up will have larger studs. 97-99 have 12mm and 2000 -2003 have 14mm

Should I interpret this to mean that these rear ends are found on the 2000+ models?

OhioLariat 11-13-2018 07:30 PM


Originally Posted by Haydende (Post 5981074)
Should I interpret this to mean that these rear ends are found on the 2000+ models?

What do you mean by "these rear ends?"

EDIT: Here... Maybe THIS will help.
..

Haydende 11-13-2018 08:47 PM


Originally Posted by OhioLariat (Post 5982078)
What do you mean by "these rear ends?"

EDIT: Here... Maybe THIS will help.
..

Well, ‘these rear ends’ as in sum parts that comprise the rear axles including disc brake Hubs/differential

BareBonesXL 11-13-2018 09:30 PM


Originally Posted by Haydende (Post 5981074)


Should I interpret this to mean that these rear ends are found on the 2000+ models?

You should interpret it to mean that if you get a rear end before 2000 it will have 12mm studs. So you'll need 12mm lug nuts and a different hub cap if you're using them.

kd4gij 11-13-2018 09:47 PM

He has a 98 witch is 12mm if he gets a 2000 or newer it will have 14mm studs and his wheels won't fit.

BareBonesXL 11-13-2018 10:00 PM

I screwed up. Reverse my words. It's all here now though, just a matter of degree. He could even swap axles couldn't he?

kd4gij 11-13-2018 10:16 PM

At some point they changed the splines on the rear axels but I am not sure what year that was.


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