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#1 |
Registered User
Join Date: Mar 2016
Location: Bransgore. Dorset. United kingdom
Posts: 61
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Disc brake swap
I did a disc swap about 2 years ago but they've never really been that good. It was a master for 70 c10 disc swap, I have added a vacuum canister but it made no difference. The brakes work to an extent but I can't lock the car up. Booster is working fine but the pedal travels half way then it feels like it hits a wall and can't push pedal any further no matter how hard I try even with my size 17 boots on!!!. I disconnected the linkage to see how far the pedal should go before it stops and has loads of reserve travel left. Has anyone had a problem like this before? Or have any insight as to what might cause it? Wrong master? single booster not enough? Need a heavier boot? Thanks
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#2 |
Senior Member
![]() Join Date: Oct 2009
Location: Godley, TX
Posts: 17,940
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Re: Disc brake swap
Did the master cyl come with the Kit? i.e. is it a Disk/Drum mc? Is your truck a C10 or C20? Did the booster come with the kit? How are you certain the booster is good? (this sounds a bit like a booster to me, or at least part of it does). Pls describe your prop valve/distrib block - was that part of the kit also?
Brakes can be frustrating, eh? Isn't s UK size 17 equivalent to a US size 6? ( ![]() ![]() |
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#3 |
Registered User
Join Date: Mar 2016
Location: Bransgore. Dorset. United kingdom
Posts: 61
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Re: Disc brake swap
Haha I already converted the size for you guys
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#4 |
Registered User
Join Date: Mar 2016
Location: Bransgore. Dorset. United kingdom
Posts: 61
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And yes it was all disc/drum equipment. At least the guy told me it was
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#5 |
Moderator
![]() ![]() Join Date: Aug 2011
Location: China Spring, TX
Posts: 7,280
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Re: Disc brake swap
I always make sure my master cylinder is made for the booster I purchase by checking the pushrod length between the booster and the M/C:
http://67-72chevytrucks.com/vboard/s...d.php?t=498293 http://67-72chevytrucks.com/vboard/s...d.php?t=686449 Then make sure my brake pedal ratio is correct: http://67-72chevytrucks.com/vboard/s...d.php?t=686449
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Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? |
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