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Old 04-29-2019, 11:24 AM   #13
V8 Bob
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Join Date: May 2010
Location: Granger (Northern) Indiana
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Default Re: Dual master cylinder update

Quote:
Originally Posted by 37 Cab View Post
Did it help?.....When there is no air present the M/C works evenly to both ports. No proportioning valve on a front and rear drum system. I used the large reservoir for the rear since my lines were already positioned there and not enough line to switch them. Adding line would only make for a messy looking install unless I cut them way back and made my flares while lines are on car. Just not worth the effort.

Most OE car/light truck dual drum masters produce equal pressure to each port, but not equal fluid volume, because of the larger front wheel cylinders. This is also true with many dual drum master cylinder fluid reservoirs that may look equal in size. You made a mistake by plumbing the rears to the larger reservoir intended for the fronts. Yes, it is worth the effort to correctly plumb the master cylinder.
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