I have the parts coming in from a 3500HD chevy truck with a 15,000lb. GVW. Has anyone ever done a conversion like this. I already have a dual circuit master in place of the old single circuit.

Would there be any interest in making the brackets and rotor mount? I believe I can make an adapter to mount the rotor on the original hub and mount the caliper to the original spindle were the backing plate mounts.

I run a fabrication business and I have done more than a few conversion like this. Just wanted to see if anyone else would like to do this conversion!

I know I've seen conversion kits for the lighter trucks, but would be interested to know how much a conversion kit for a big truck would cost if there was ever one created. My bus is a 56 1 1/2 ton. Although I just spent almost $500 to have all the drum brakes and components redone I would still be interested in a disc conversion.

I would like to see the conversion.What bolt pattern do you plan to use ?

I would still use the original hub so you wouldn't have to change the bolt pattern on the wheels. I'll post some pictures when I get the parts made.

Gday Buddy

I would be interested. I have a 51 1.5/2 ton. (not sure which...its huge)

Cheers

Damo

Curious to see what you come up with as well.

I think you'll find that the bolt pattern on the 3500HD axle is the very same as the original truck, with a possible exception of stud size and the old hubs have a smaller wheel pilot diameter, new ones will be 5.25"

Here's another approach using 3500HD and or P-30 axle parts.
In my research and fabricating using the new I-beam as well as the new hubs, rotors, and related parts seemed like the best plan.
http://www.stovebolt.com/techtips/bigbolts/p30swap/

Grigg

I was looking for a little bit less work for the conversion. I know that you can put a different axle under it, but that is a lot of work for someone to do. I am hoping to make a bracket that bolts on he the spindle and make an adapter ring that goes between the original hub and the new rotor. I received the parts in today and will try to fit them up sometime next week.

Would you rather find a complete front axle and spend the time to swap it out or would you rather pull the hub off, mount a rotor to it and bolt a caliper to the spindle and bleed the brakes?

I did something like what I think you are planning on doing, perhaps not

Heres what I did, I have not put it on the road yet but all the bracketry is done for the rotors, Im currently working on putting a hydrobooster in my truck to run these twin piston calipers.

http://www.stovebolt.com/ubbthreads/ubbthreads.php?ubb=showflat&Number=682737&page=1

Im doing alot to my truck, so finishing up the breaks has not been the highest priority...

Corpo, that looks nice. However, I'm looking into putting larger rotors and calipers on. The rotor's are almost 14" that I have here. I should be able to make an adapter ring to go from the hub to the rotor out of 3/8" of 1/2".

I see no reason to use anything thicker then the casted rotor! The mild steel that I will use will be stronger than the cast iron in the rotor. I hope I can mock something up this week. I'll keep you guys posted.

Not that it matters, but you can get larger ones then the 12" rotors I used from the higher end after market brake companies.. I know the wilwood kit (for 6 lug GM) has 16" inch rotors, if I recall when I was doing my research there were some that were even bigger... but these kits werent cheep and I was on a budget and didnt need a kit engineered for an Escalade or tahoe... I never did contact them to see what the price of just the rotors would be

I am definitely interested in seeing how your conversion works out, this is my first big bolt, but one day I want to do a COE so I will do it all again...

Are the parts you are using 8 lug? Are you going to machine your adapters or have them CNC from some plate?