Brake conversion
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Brake conversion
Gentlemen,
I need to rebuild the brakes on a '96 F-350 SRW axle. This will be a semi-show vehicle when back on the road so I want things to look real nice. Both backing plates are badly rusted (one is also bent from damage sustained when it was being "pulled" at the junk yard) .. Here's the problem .. FORD has discontinued the part numbers, most dealers that I've contacted have depleted their old stock (nothing in inventory) .. the big part warehouse operation don't show any inventory and those parts that I've been able to find on-line (eBay) don't appear much better than the ones I already have. Today I was told that it would be relatively easy to change hubs and convert to later model disc brakes .. it can't be as easy as the guy made it sound, or can it? I know that the stud pattern is slightly different but I haven't bought wheels for the project yet so that isn't a problem .. does anyone have any information on this change .. maybe a full set of instructions (with part numbers) was compiled by someone and now can be downloaded from somewhere ... HELP!!!!
I need to rebuild the brakes on a '96 F-350 SRW axle. This will be a semi-show vehicle when back on the road so I want things to look real nice. Both backing plates are badly rusted (one is also bent from damage sustained when it was being "pulled" at the junk yard) .. Here's the problem .. FORD has discontinued the part numbers, most dealers that I've contacted have depleted their old stock (nothing in inventory) .. the big part warehouse operation don't show any inventory and those parts that I've been able to find on-line (eBay) don't appear much better than the ones I already have. Today I was told that it would be relatively easy to change hubs and convert to later model disc brakes .. it can't be as easy as the guy made it sound, or can it? I know that the stud pattern is slightly different but I haven't bought wheels for the project yet so that isn't a problem .. does anyone have any information on this change .. maybe a full set of instructions (with part numbers) was compiled by someone and now can be downloaded from somewhere ... HELP!!!!
Posting Guru
Joined: May 2010
Posts: 1,146
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From: Central Indiana
My thoughts
Also the frame width might be an issue, too. I'm not positive but I think SD frames are 34" and an F350 non-chassis cab is 37". There might be less fab work involved to use late E350 van rear disk brakes and parking brake assembly. At least the lug pattern is right to start with. The caliper bracket might be modified to fit the Sterling axle with some work, since it iss coming off of a D60 axle. Still not straight across swap but it might be easier than using late model Gen 10+ F350 or Gen 8/9 Super Duty parts.
You might have to use the van master cylinder, too. The truck MC has a residual pressure valve for the drums that will make the new rear disks drag and burn up.
Just my $0.02 USD worth.
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Hi Rays..,
Wondering if something has gotten lost in translation .. the contemplated change would essentially convert an early '98 (drum brakes) SRW axle to a late '98 (disc brakes) SRW. .. no issues with model (F350) or chassis/frame width, as axle housing would stay bolted in place for transplant.
Larry
Wondering if something has gotten lost in translation .. the contemplated change would essentially convert an early '98 (drum brakes) SRW axle to a late '98 (disc brakes) SRW. .. no issues with model (F350) or chassis/frame width, as axle housing would stay bolted in place for transplant.
Larry
Posting Guru
Joined: May 2010
Posts: 1,146
Likes: 17
From: Central Indiana
Hi Rays..,
Wondering if something has gotten lost in translation .. the contemplated change would essentially convert an early '98 (drum brakes) SRW axle to a late '98 (disc brakes) SRW. .. no issues with model (F350) or chassis/frame width, as axle housing would stay bolted in place for transplant.
Larry
Wondering if something has gotten lost in translation .. the contemplated change would essentially convert an early '98 (drum brakes) SRW axle to a late '98 (disc brakes) SRW. .. no issues with model (F350) or chassis/frame width, as axle housing would stay bolted in place for transplant.
Larry
You would have to re-drill the rear discs to 8 X 6.5 or use '00 and up E350 rotors. Also, your setup would have to be good to use the parking brakes from the SD axle. They are little brake shoes inside the hat of the rotor.
A word about these so called 'bolt on' kits - they typically use a Cadillac or equivalent passenger car caliper, not a truck caliper.
If this is a show truck, not meant to do real work, knock yourself out. If it's a real working truck, either do a '00 and up E350 van disc conversion or keep the drums.
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Joined: Jun 2012
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From: Island of Long
OBS rear disc brakes
I used the 2002 SD disc rear. Geared the same as my front and the calipers are not staggered but are both on the rear side if axle. Just re-drill the hubs and use the rear van rotors. Flip around the shock brackets and your done. If you ever want to use a SD axle in the front all you have to do in the rear is replace the studs back into the stock holes in the hub and use the stock 8x170mm rotors.
You use all factory Ford parts that are available anywhere in the world. You will have to also need a SD or OBS F-SuperDuty master and 3/16" to 1/4" tubing adapter for the brake line. I have the Hydro Boost setup and this is the best setup for the buck.
You use all factory Ford parts that are available anywhere in the world. You will have to also need a SD or OBS F-SuperDuty master and 3/16" to 1/4" tubing adapter for the brake line. I have the Hydro Boost setup and this is the best setup for the buck.
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