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Dana 60, 14 Bolt disc, do I need?

BlazerBoy

1/2 ton status
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I am going to be putting a dana 60 and 14 bolt with rear disc under my truck soon. Do I need the master cylinder, brake booster or the proportioning valve? I still have the donor truck so I can take them. I thinking of getting a new proportioning valve anyways. Thanks

BlazerBoy
http://generalblueballs.coloradok5.com
 
If you do a search, this was discussed at length a short time ago. Some say you need an adjustable prop valve (I'm among them) and others seem to get by with anything from the stock valve, to a Cady valve, to a Camaro valve, to no valve at all. Read through and decide for yourself.

Bad Dog

85 K30 CUCV, 350 TBI, TH400, NP205, D60/C14, 4.56 Locked
Soon: 4" lift, 40" tires, massive cutting, shorter wb and rear overhang.
 
<font color=blue>Go to the 1st gen forum and look for a thread by Steve Chin, he has a cool booster/master setup for 4 wheel disks.</font color=blue>

53-288682-mudpit3.jpg
 
I have this setup and I was told by TSM company that if I had tires 36" or larger, I didn't need to change the pro. valve and I believe they were correct. The extra weight of the larger tires keeps the rear brakes from locking up. Steve
 
i run 35's w/no valve what so ever to my rear disc--and i have to jump on them really hard to get the rears to lock up
 
I did NOT put on a prop. valve (or remove the residual pressure thing, I forget the name, hold 10# of pressure on the rear brake line instad of a more disc-friendly 2#). I have NOT had any problenms with lock-up.
I think a prop. valve would nto hurt, since you will need to run new hard lines for disc brakes anyways. Might as well plumb a $40 valve inline. But I didn;t and have not had any problems.
-- Mike
 
I'm running the one ton master cylinder & hydroboost setup along with a proportioning valve from a 4-wheel disc equipped P30 series Van.

konajoe
 
Hehe, see what I mean!
laugh.gif


Bad Dog

85 K30 CUCV, 350 TBI, TH400, NP205, D60/C14, 4.56 Locked
Soon: 4" lift, 40" tires, massive cutting, shorter wb and rear overhang.
 
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