swap/upgrades to front calipers

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woody80z28

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I have swapped hydroboost on several truck's that had no other mod's to their brakes, the difference is amazing, of course you are almost doubling the brake force psi coming from unit itself.

I did exactly this and was also amazed at the stopping difference.
 

Woody35

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They made 1/2 ton diesels?!? I didn't think that anybody had made half ton diesels.

lol thats what i have a 97 1500 4wd diesel. But to clarify i can run a 1 ton caliper but i would have to use 1/2 ton pads? Does anyone know if my rotor is the same size is the 2500 ld since my truck has the same drivetrain?
 

Brickyard

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^ This is also what I want to know. I am debating between the 3/4 ton and one ton calipers. I already bought some high perf 1/2 pads (since I don't have a grinder to grind down the one ton pads to fit a 1500 rotor). Do I want the just get some new 1500 rotors? or find a 6 lug 2500 rotor? OR am I just way off on all of the above?
 

bluex

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From what I have seen looking up the parts the six lug 2500 use the same brake parts as a 1500. eight lug 2500 and 3500 use the same stuff. From what was posted eariler in this thread you only have to swap the calipers, use your 1500 rotors and pads....
 

DRAGGIN95

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I'm also curious about the Master Cylinder Swap. what would be needed? MC, pushrod etc.?
The Nbs Hydroboost unit has a differnet mounting pattern and the pushrod is not the same, it's a different length and the I.D. of the loop is different. I have tried that one myself. Also If you have a vacume booster then a vacume boost NBS MC will fit, but there again the hydroboost MC's do not interchange between NBS and OBS, the O.D. of the end bore is larger on the nbs on physically won't go inside of the OBS hydroboost unit.
 

bizzo15

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Here's a question, I've got warped front rotors on the truck right now so I need to do a brake job. Thinking about going all out and getting the 1 ton calipers and using 1/2 ton rotors and pads, my truck isn't F44 equipped but I heard the F44 rotors are a little bit beefier. Can I run those rotors on a non F44 equipped truck?
 

bizzo15

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I have never heard of F 44? can you elaborate.

Absolutely, F44 is the GM RPO code for heavy duty chassis. Basically a heavy half ton, don't know a whole lot about them but they come with 14 bolt semi floating rear ends and a few other upgrades for towing and such.
 
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