Better brakes
#1
#3
RE: Better brakes
Well, the jury is still out on wether or not you should replace your wheel cylinders with Chevy/GMC (or Dodge) 1-ton dually units. The 3/4-ton guys have been doing it for some time and are quite pleased with the results. A handful (um ... 2) of 1/2-ton owners (myself included) have done it here and so far are pretty jazzed. Braking is VASTLY improved. The only problem I have is that in the month or so since I've done it, I've not seen a drop of rain. I don't have any idea if I'm going to swap ends the first time I have to really hop on the brakes when it's wet.
Stand by for updates.
Stand by for updates.
#4
RE: Better brakes
When you guys swapped the wheel cylinders, did you do anything with the proportion valve? I did the 1 ton GM swap but wasn't impressed. I've been considering changing the the p-valve to give me a bit more pressure back there. I was hoping for a big difference, but mostly just got a softer pedal. It's a bit stronger, but considering the total surface area on the cylinders increased 60%, I thought I would actually feel the rears "bite"
I'm puzzled how anyone can run anything bigger than 33's, I have 265/75/16 and the thing is borderline dangerous.
Did I just get lucky with my gem or do you guys feel the same about your factory setup? Seems like theres room for improvement in the hydraulics.
95 1/2 ton
I'm puzzled how anyone can run anything bigger than 33's, I have 265/75/16 and the thing is borderline dangerous.
Did I just get lucky with my gem or do you guys feel the same about your factory setup? Seems like theres room for improvement in the hydraulics.
95 1/2 ton
#5
RE: Better brakes
Did you bleed the rears when you did the swap (the write-up says it's optional)? Whan you adjusted them ... how far out did you go? I bled mine and adjusted them until they were scraping and then backed them off a TOUCH. The pedal's not hard but rides a lot higher than it did on the 1/2-ton cylinders and I can feel them bite for sure.
Oh, and mine CAME with 265/75/16's ... these 285's are rock solid. It feels very sure footed.
Oh, and mine CAME with 265/75/16's ... these 285's are rock solid. It feels very sure footed.
#7
RE: Better brakes
I set mine up the same as TMS Bill, but I'm thinking it's the hydraulic principles that are at fault.
I'll look into the dual piston. The pads are quite a bit bigger and the rotor is bigger, just the increase in swept area would be nice. If the capliper mounts the same maybe I can make it work.
Anyone have a bore size for the 2001 dual piston calipers? The single is 2.94"
The '01 master cylinder listing is 1 1/4" and my '95 1 1/8", so I might need to upgrade that if I don't get enough fluid volume.
This is the route I'm thinking I should go.
Anybody good at designing fluid power systems?
I'll look into the dual piston. The pads are quite a bit bigger and the rotor is bigger, just the increase in swept area would be nice. If the capliper mounts the same maybe I can make it work.
Anyone have a bore size for the 2001 dual piston calipers? The single is 2.94"
The '01 master cylinder listing is 1 1/4" and my '95 1 1/8", so I might need to upgrade that if I don't get enough fluid volume.
This is the route I'm thinking I should go.
Anybody good at designing fluid power systems?
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