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09-09-2023, 03:02 PM
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#1 |
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Member
Join Date: Dec 2018
Location: Massachusetts
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Re: poor braking
On my ‘71 Duster, I used an aluminum master cylinder that came on the Volare/Aspens. I have Strange fronts and stock 10” rear drums and factory proportioning valve also from Volare/Aspen. Never a problem stopping or holding the car. You could have a bad brake hose or a stuck caliper. Make sure too use the braided front brake hoses.
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George Mirza D/SA 1236 ‘71 Duster 340 |
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09-09-2023, 03:43 PM
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Join Date: Apr 2006
Location: canada
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Re: poor braking
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09-09-2023, 04:44 PM
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#3 |
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VIP Member
Join Date: Jun 2009
Location: Boulder City, Nevada 89005
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Re: poor braking
All our A bodies have 7/8 or 15/16 Cylinders
The large one would not let my elder legs hold the two step or stop quickly. We try for 7:1 and sometimes redrill the brake petal itself and relocate the master if need on several of our different stockers. Particularly on the two Aspens F Body cars. You will figure it out. PM me if needed.
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John Irving 741 Stock 741 Super Stock |
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09-09-2023, 04:49 PM
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#4 |
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Location: Boulder City, Nevada 89005
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Re: poor braking
The rubber fatigues and expands producing
a spongy petal. At a minimum replace the stock lines every few years.
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John Irving 741 Stock 741 Super Stock |
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09-09-2023, 05:29 PM
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#5 |
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Junior Member
Join Date: Jan 2021
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Re: poor braking
thanks for the info does anyone have the part number for the volarie style master cylinder? would i be better off going back to the stock master cylinder? also i was told to delete the proporting valve all together was that a bad idea?
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09-09-2023, 09:10 PM
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#6 |
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Live Reporter
Join Date: Oct 2004
Location: Hickory, Ky
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Re: poor braking
I race the Cuda without the valve.
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09-09-2023, 11:27 PM
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#7 | |
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Member
Join Date: Dec 2018
Location: Massachusetts
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Re: poor braking
Quote:
This is a dumb question, but do you have the lines hooked up to the proper ports on the master cylinder? Front to the rear and rear to the front. Did the car have a power booster in it originally? Like someone else said in an earlier reply, the pedal ratio could be the issue.
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George Mirza D/SA 1236 ‘71 Duster 340 |
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09-10-2023, 08:03 AM
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#8 |
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Live Reporter
Join Date: Oct 2004
Location: Hickory, Ky
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Re: poor braking
Don’t use the stock type rubber hose over time it will deteriorate and will cause a restriction on on the return flow back to the master cylinder.
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09-10-2023, 07:54 PM
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#9 |
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Junior Member
Join Date: Jan 2021
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Re: poor braking
thanks for all the info parts are ordered
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09-14-2023, 11:44 PM
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#10 |
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Member
Join Date: Dec 2006
Location: Cocoa Florida
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Re: poor braking
If installing Disk Brakes in the front and keeping the stock rear brakes you should install a Residual Pressure Valve i'm not too sure about the one you should use a 2 LB or 10 LB between the Master cylinder and the rear brakes according to Strange Engineering it also says to replace the 3 rubber hoses and install 3/16 steel lines
Kenney Kelley |
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