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08-04-2013, 12:08 AM
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#1 |
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Registered User
Join Date: Aug 2012
Location: error 404 location not found
Posts: 816
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1/2 ton master vs. 3/4 ton
Okay I know the differences between the two how the 3/4 ton master cylinder is backwards to the half ton. I've tried searching for the thread about someone asking the advantages the 3/4 ton has over the half ton.(if it even does) But I only get threads about people asking about the boosters, so is the 3/4 ton master any better than the half ton or is it just the same, just reroutes fluid differently. I wanna know since my master crapped out on me and I'm looking for something better, I have 71 style brakes on my 67, thanks for the replys.
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1995 s10 blazer 4.3 1967 c10 350/350 fleet short 1993 s10 blazer 4.3l 4l60 RIP 6/20/14 2000 mercury sable Thats a how I roll |
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08-04-2013, 12:27 PM
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#2 |
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Registered User
Join Date: Aug 2012
Location: error 404 location not found
Posts: 816
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Re: 1/2 ton master vs. 3/4 ton
Common they can't be the same just backward reservoirs
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__________________
1995 s10 blazer 4.3 1967 c10 350/350 fleet short 1993 s10 blazer 4.3l 4l60 RIP 6/20/14 2000 mercury sable Thats a how I roll |
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08-04-2013, 12:50 PM
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#3 |
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Senior Member
Join Date: Jul 2010
Location: South Dakota
Posts: 4,093
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Re: 1/2 ton master vs. 3/4 ton
With my c20 disk swap I needed new lines from mc to prop valve that was about I think. I'm not positive but I think the c20 mc has more pressure to it. I'm sure someone will chime in.
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1969 Chevy c20(Miss Hackjob) |
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08-04-2013, 05:29 PM
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#4 |
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Registered User
Join Date: Aug 2012
Location: error 404 location not found
Posts: 816
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Re: 1/2 ton master vs. 3/4 ton
Thank you treveiger, I kinda thought so just wanted to double check.
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__________________
1995 s10 blazer 4.3 1967 c10 350/350 fleet short 1993 s10 blazer 4.3l 4l60 RIP 6/20/14 2000 mercury sable Thats a how I roll |
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08-05-2013, 01:11 AM
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#5 |
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Senior Member
Join Date: Jul 2010
Location: South Dakota
Posts: 4,093
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Re: 1/2 ton master vs. 3/4 ton
No problem. Glad I could help!
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1969 Chevy c20(Miss Hackjob) |
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08-05-2013, 01:48 AM
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#6 |
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Registered User
Join Date: Oct 2006
Location: Dundee, Oregon
Posts: 311
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Re: 1/2 ton master vs. 3/4 ton
According to my Raybestos parts book, the 1/2 ton master cylinder bore is 1.125" and the 3/4 ton bore size is 1.250". This means more fluid going to the calipers and wheel cylinders. However that also means YOU need to push on the pedal harder to make that extra fluid work unless you also add the power booster from the 3/4 ton truck. My understanding is that they got a larger booster that provides more power assist to balance out the extra effort needed at the pedal. I don't have a book of the boosters for comparing numbers on them though.
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