Recent content by 95 Silverado

  1. 95 Silverado

    HOW TO Convert From Drum Brakes to Disc Multi Part Video Series

    I wasn’t able to find Express/Silverado/Sierra backing plates either and I needed to get my truck on the road so I did the initial install with the Lugnut4x4 brackets that weld onto the axle. There’s room to weld a tab perpendicular to the bracket to support the calliper in the middle and I...
  2. 95 Silverado

    HOW TO Convert From Drum Brakes to Disc Multi Part Video Series

    @bretcopsey I've convinced myself that a disk conversion is plausible enough that I've ordered parts and the 3500 DRW Express/Silverado/Sierra drums arrived today from a local supplier. I also ordered the Lugnut4x4 heavy duty Caddy calipers, 1.5" spacers (because I have 16" wheels and apparently...
  3. 95 Silverado

    HOW TO Convert From Drum Brakes to Disc Multi Part Video Series

    Yes my drum brake calculations did not properly capture the "self energizing" component and were therefore low. In retrospect I could have saved myself some time and energy and gotten better results by using one of these fancy brake calculators. Thankfully disks are much easier to reason about...
  4. 95 Silverado

    HOW TO Convert From Drum Brakes to Disc Multi Part Video Series

    The drum calculations aren’t really necessary if you consider that the Silverado 3500 currently in production uses pretty much the same sized brakes on the rear as on the front which is pretty much what I’ll get with the 03 Express 3500 disks and Eldo HD Calipers on my truck.
  5. 95 Silverado

    HOW TO Convert From Drum Brakes to Disc Multi Part Video Series

    I made lots of simplifying assumptions especially for the drums, which may not be entirely accurate given the complex geometries, but the two corrections I applied were 1) the piston treats the shoes as a lever with force at one end and a pivot at the other which effectively doubles the force...
  6. 95 Silverado

    HOW TO Convert From Drum Brakes to Disc Multi Part Video Series

    I've done some more digging and found that my truck actually has larger front brake cylinders than I listed above. I also found that Lugnut4x4 has a larger JB7 style rear caliper than I listed above with E-brake based on the Cadillac Eldorado design. With all of that taken into account I've...
  7. 95 Silverado

    HOW TO Convert From Drum Brakes to Disc Multi Part Video Series

    Yes it appears OEMcats scrapes websites of dealers for part numbers and info but their scraping doesn't drill down to find the "discontinued" indicator on the parts and none of the suppliers I checked actually had the parts. So still on the hunt for drum backing plates, but in the meantime I...
  8. 95 Silverado

    HOW TO Convert From Drum Brakes to Disc Multi Part Video Series

    Thanks all for your help! There’s a Canadian dealer listed on the OEMcats site so I’ll call them and a few others tomorrow as my local dealer has been of little use. If that doesn’t pan out I’d be forever indebted to @bretcopsey for checking out the wreck at his local yard. I’ll post an...
  9. 95 Silverado

    HOW TO Convert From Drum Brakes to Disc Multi Part Video Series

    That one doesn’t fit my truck which is a 95 K3500 DRW 6.5L. The DRW appears to have a different offset. The only backing plates that anybody (e.g. Dorman, Rock Auto, Napa) has for my truck are for the front. Not even the wreckers within driving distance of me have any. That said, maybe...
  10. 95 Silverado

    HOW TO Convert From Drum Brakes to Disc Multi Part Video Series

    Thanks @1998_K1500_Sub! The dwindling availability of replacement drum backing plates is really becoming an existential problem for GMT400 owners. Normally it's a blown engine or smoked tranny or rotten frame that leads to the condemnation of an otherwise good vehicle and not a $100 piece of...
  11. 95 Silverado

    HOW TO Convert From Drum Brakes to Disc Multi Part Video Series

    @ForeverFalcon40 can we get an update on how the disk conversion is actually performing, or anybody else who has actually done one? The pickle I’m in is that one of my drum backing plates broke over the weekend and I can’t find replacements anywhere, so looking for options to get my truck back...
  12. 95 Silverado

    1999 14 bolt backing plates

    I’m looking for a set of rear drum backing plates for a 1995 Silverado K3500 DRW full floater if anybody has any lying around!
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