Proportioning spring
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Joined: Oct 2003
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From: MOBILE Al
Proportioning spring
To preface this: I have a 63 Grand Sport with c6 front brakes, c4 rears, and 96 c4 master cylinder.
I installed the DRM spring and it helped add rear bias, however, I still need to add more rear. I purchased an 02 camaro master and was planning to install a proportioning valve in line of the rear however the master is too large to fit in the fender where my booster is mounted.
My question is: What would happen if I removed the spring completely and installed the proportioning valve in line of the rear with the c4 master?
I installed the DRM spring and it helped add rear bias, however, I still need to add more rear. I purchased an 02 camaro master and was planning to install a proportioning valve in line of the rear however the master is too large to fit in the fender where my booster is mounted.
My question is: What would happen if I removed the spring completely and installed the proportioning valve in line of the rear with the c4 master?
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Joined: Sep 2003
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To preface this: I have a 63 Grand Sport with c6 front brakes, c4 rears, and 96 c4 master cylinder.
I installed the DRM spring and it helped add rear bias, however, I still need to add more rear. I purchased an 02 camaro master and was planning to install a proportioning valve in line of the rear however the master is too large to fit in the fender where my booster is mounted.
My question is: What would happen if I removed the spring completely and installed the proportioning valve in line of the rear with the c4 master?
I installed the DRM spring and it helped add rear bias, however, I still need to add more rear. I purchased an 02 camaro master and was planning to install a proportioning valve in line of the rear however the master is too large to fit in the fender where my booster is mounted.
My question is: What would happen if I removed the spring completely and installed the proportioning valve in line of the rear with the c4 master?
I believe that master requires something in that position. I would certainly think so!
Last edited by WVZR-1; Jul 27, 2014 at 08:34 AM.
Thread Starter
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Joined: Oct 2003
Posts: 572
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From: MOBILE Al
Thanks for the response. Yeah after comparing the stock and DRM spring I believe the DRM spring is stiffer. Taking the spring out may actually make the problem worse. But there is def an off the shelf solution.
I ended up finding a C5 Master cylinder laying around in the shop. The reservoir on the c5 unit is smaller than the camaro unit and ended up fitting up in the fender. I took the C5 reservoir and put it on the camaro unit since I already had all the adapter fittings for the camaro master. Stayed up til 3am! But it's in there!
I ended up finding a C5 Master cylinder laying around in the shop. The reservoir on the c5 unit is smaller than the camaro unit and ended up fitting up in the fender. I took the C5 reservoir and put it on the camaro unit since I already had all the adapter fittings for the camaro master. Stayed up til 3am! But it's in there!
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Joined: Sep 2003
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If you had or acquired all of the comparison dimensions and resistance using a site similar to this could maybe accomplish what I mentioned.
I've never purchased from these people but I'm somewhat familiar with their procedures in their questionnaire for sourcing from them.
http://www.acxesspring.com/spring-constant-units.html
I've never purchased from these people but I'm somewhat familiar with their procedures in their questionnaire for sourcing from them.
http://www.acxesspring.com/spring-constant-units.html
