Let’s talk about the 14 bolt FF

[57taskforce]

Originally Posted by 95 S_Trucker

I would assume the hub are the same. My 99 K2500 7.4 had the drums mounted behind the hub.

If I look up the brake drum, 1972-2000 had the same part number. The same is true for the wheel seals. That would tell me the hub and backing plates have been in the same place through out that range.

You can also peen the area where the race sits on your 98 hub and uses some locktite to help keep it in place.

I’m in agreement with all this, my truck is a ‘98 K2500 7.4. The brakes have to sit in the same place for sure and best I can tell I think the actual wms between the square body hubs and 88-98 hubs with the inboard drums are the same. I did dimple and lock tite the hub to hold the race but I want to have a back up plan in place in case I have any more issues. The race was fairly tight coming out and was definitely tight when the new in went in. I’m seriously considering swapping in an 01+ 10.5” 14 bolt with rear disks if I do have any more issues.

And the 98 hubs with drums assembled also look the same as those in my 72 K20 which has an 3/4 ton square body 14 bolt in it, and a spare axle I’ve got from a 89 square body cab and chassis truck. I’ve since converted the 89 axle using disk brakes from an 01 truck, but I do have pictures of it before I did the conversion. I converted it from dew to srw with drums before doing the 01+ disk conversion using the same single wheel hubs.

The 89 axle is a ribbed housing like the 98. I really am starting to think they are the same axle with different perches and shock mounts. That one is at my house about 180 miles from where my apartment is that i live in during the work week. Hopefully next time i go home i can do some measuring and find out.