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#1
12-06-12, 03:58
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Master cylinder for Joel.....
Bob, or anybody out there in CMP Land have a readily available current model number for a master cylinder for Joel's unit. Talked to Joel tonight and suggested this forum could provide an immediate answer, as Parade day is approaching very quickly. Cheers everyone
 Robert
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#2
12-06-12, 04:09
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No such an animal.....
To the best of my knowledge there are no NOS or repros available for the Delco 1 1/4 CMP truck (B)master cylinder available.
Best bet is to have it rebuilt by John Stuart of Stoney Creek for about $200 .... he uses a Stainless Steel sleeve guaranteed for life and full rebuild...... Some one inch civilian models are available but the bolting pattern is different and not sure what the size of the piston means to brake efficencies. A modern two section master cyl. from a GM mid sixty van might be adapted to fit and would give you a split system...... might be nightmarish to do the linkage on the CMP tight space...... Bob C
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada
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#3
12-06-12, 05:02
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Cheers....
Thanks Bob, I'll pass the torch on to Joel.
 Robert
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#4
12-06-12, 05:42
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I have made up a Ford bracket and fitted it in place of the Chev bracket. You can then use the standard Ford master cylinder of that era (same bore, same banjo fitting at the end of the cylinder) , which is readily available and as an added bonus, quite cheap. They can be had out of the US for as low as $35 each.
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#5
12-06-12, 06:43
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Master Cyl.
Ok to use the Ford Master Cylinder instead of the GM but can we see the modification braket and what is the Ford part number?
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#6
13-06-12, 04:23
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Furd Master cylinders...
Brand new at Mac Auto around $70 foreign made and $90 for US manufactured.... my catalogue is old and prces may have increased but they are readily available for the Ford.
The bracket is very different .... but not impossible to fabricate. On the Ford CMP the master cyl. is mounted by bolting to and through the transmission cross member...... on a Chev the engine crossmember would be seriously in the way. It would probably be just as easy to use a new mid 1960 GM van mastr cyl. with two seperate compartment and take advantage of the split system...... and I would fabricate the mounting bracket to bolt onto the existing CMP Chev bracket...... Nothing a good hot rodder could not fix in a Saturday afternoon. Checking out Hot Rodding magazine on the news stands will give a builder plenty of ideas from after market suppliers of brake system how much they charge and from the pcitures how to build them...flat stock and a welder and drill press....ok some grinding and filing !!!!! Defenitely not the stuf you can walk in to Napa or Canadian tire and ask for at the counter !!!!! Bob
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada
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#7
13-06-12, 05:04
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I actually bought a NOS Chev CMP master cylinder off ebay a few years ago. It was listed as a one ton unit but it had the CMP style mounting holes. The guy just didn't know what it was for.
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1940 Cab 11 C8 Wireless with 1A2 box & 11 set 1940 Cab 11 C8 cab and chassis 1940 Cab 11 C15 with 2A1 & Motley mount & Lewis gun 1940 Cab 11 F15A w/ Chev rear ends 1941 Cab 12 F15A 1942-44 Cab 13 F15A x 5 1942 cab 13 F15A with 2B1 box 1943 cab 13 F15A with 2H1 box 1943 Cab 13 C8A HUP 1944 Cab 13 C15A with 2C1 box 1943 Cletrac M2 High Speed Tractor MkII Bren gun carrier chassis x 2
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