daddyo23 Posted March 29, 2008 Report Share Posted March 29, 2008 Hey all. I am working on disc brake conversion using Oldaddy's setup. Very nice, just had to shave spacers abit. Anyway, I thought I had a good bracket to use for the dual master cylinder. But with the car up in tha air, it looks like the bracket that holds the pivot shaft for clutch and brake pedal is part of the master cyl. Are my eyes deceiving me or is that so? If I use the stock cylinder, will I still need the residual valves and proportioning valve? I need all of your expert advice. Thanks in advance, Wayne P. Quote Link to comment Share on other sites More sharing options...
tctrkca1 Posted June 29, 2008 Report Share Posted June 29, 2008 Residual valves can't be used with disc brakes as it would hold them on.A dual m/cyl allows you to have the residual valve for the drum end and a seperate section for the disc without the valve.The proportioning valve allows you to dial in the brake force so that when brake is applied the veh brakes evenly front to rear. Quote Link to comment Share on other sites More sharing options...
tctrkca1 Posted June 29, 2008 Report Share Posted June 29, 2008 I do not doubt your statement but it sure contradicts 35 years of working in the mechanical trade and a great quantity of text books. Quote Link to comment Share on other sites More sharing options...
tctrkca1 Posted June 29, 2008 Report Share Posted June 29, 2008 Read the article enthusiatically.I have never had anything to to with hybrid or modified brakes.Any residual valve I heard of before today was in the end of the m/cyl.Wiser I am.Jim Quote Link to comment Share on other sites More sharing options...
Don Coatney Posted June 29, 2008 Report Share Posted June 29, 2008 Norm almost got it right this time. Without these residual valves (two pound front and ten pound rear) the disc brake conversion would not work correctly. Quote Link to comment Share on other sites More sharing options...
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