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Old December 3rd, 2012, 06:48 AM   #1
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Default 14 bolt disc conversion...rotors

Any reason why you couldn't put a 1ton rotor on instead of a 3/4ton one? The 1ton rotor is thicker......
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Old December 3rd, 2012, 06:53 AM   #2
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as long as its the same back space and dia
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Old December 3rd, 2012, 07:01 AM   #3
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X2, if you are using 3/4 ton brake parts ( caliper & mounting bracket) the 1 ton rotor won't work, bigger in diameter. Double check at the parts store though. I used all 3/4 brakes on my 14 bolt and it stopped great.
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Old December 3rd, 2012, 07:51 AM   #4
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Outside diameter is .38 difference, height is .28 difference & thickness is .24 difference. So the 1 ton is bigger.
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Old December 3rd, 2012, 08:23 AM   #5
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hydroboost?
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Old December 3rd, 2012, 08:42 AM   #6
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hydroboost?
Not yet, unless you have one for sale! The reason I ask about the rotors is because I need to get a new set for the rear.
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Old December 3rd, 2012, 09:30 AM   #7
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Okay so not to hijack your thread but i have heard that if you use bigger calipers on the rear you don't need to get a proportioning valve is that true.
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Old December 3rd, 2012, 11:29 AM   #8
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Bigger calipers...as in what? You can get bigger piston ones, but I'd always put a prop valve in.
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Old December 3rd, 2012, 12:03 PM   #9
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shoot me a pm, I think I can help hook you up with everything but the pump/lines for under 30$ but it has to wait until the weekend.
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Old December 3rd, 2012, 03:32 PM   #10
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Quote:
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Bigger calipers...as in what? You can get bigger piston ones, but I'd always put a prop valve in.
Don't quote me but IIRC on my Blazer I used the stock prop valve but removed the piece inside that holds residual pressure for the drum setup.
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Old December 3rd, 2012, 11:40 PM   #11
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Yes the bigger piston calipers off a 3/4 ton i already have the bigger calipers and rotors all i need is brake pads. I read somewhere to use bigger piston calipers on the front or rear i don't remember which but then its not a necessity to have a new prop valve.
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Old December 3rd, 2012, 11:55 PM   #12
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Nvm i just found it on ord. You use the bigger piston caliper on the rear to even out the proportion.
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Old December 20th, 2012, 09:59 AM   #13
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you need a proportioning valve for the rear or they will lock up bfore the fronts even on my 3/4 t pick up
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Old December 20th, 2012, 10:10 AM   #14
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Quote:
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you need a proportioning valve for the rear or they will lock up bfore the fronts even on my 3/4 t pick up
Power slide:thumbup:
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Old December 21st, 2012, 02:55 AM   #15
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Really, there is alot of untrue here. The whole system depends on front brake setup, rear brake setup, and tire size believe it or not. The thing to do is not change more than you have to to start with, IE, just get your rear done with all the 3/4 ton parts. Then, just drive it. Not every truck needs a prop valve, and some, I have even bypassed the valve. Just try a few things to get it right for you, not every truck is the same.
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Old February 5th, 2013, 11:52 AM   #16
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Quote:
Originally Posted by tonkatruckon44s View Post
Okay so not to hijack your thread but i have heard that if you use bigger calipers on the rear you don't need to get a proportioning valve is that true.
I had to use the valve on My P/U because the rear would lock up before the fronts would .
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