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Re: Rear axle disc brake master cylinder/booster which one?
[Re: 472 R/T SE]
#1156783
01/23/12 01:54 PM
01/23/12 01:54 PM
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Joined: Feb 2008
Posts: 281
Michigan
DRAG-ULA
enthusiast
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enthusiast
Joined: Feb 2008
Posts: 281
Michigan
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I just did this setup for about 100 bucks.  Why does everyone stay away from the green bearings? I've had them on my street car for 10+ years with no problems.
1970 Imperial, Low & slow daily driver
1973 Chrysler T&C
1948 Dodge B1 pickup - perpetual project
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Re: Rear axle disc brake master cylinder/booster which one?
[Re: DRAG-ULA]
#1156784
01/23/12 02:16 PM
01/23/12 02:16 PM
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Joined: May 2003
Posts: 96,664
On The Boat, On The Lake, Wa. ...
amxautox
Still Retired. Still Posting on Moparts. A Lot.
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Still Retired. Still Posting on Moparts. A Lot.
Joined: May 2003
Posts: 96,664
On The Boat, On The Lake, Wa. ...
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Supposedly green bearings can't handle too much side load, like what is seen in autocross and roadcourses.
Tom
"Everyone should believe in something; I believe I'll go fishing."
-Henry David Thoreau
Men and fish are alike. They both get into trouble when they open their mouths
author unknown
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Re: Rear axle disc brake questions.
[Re: autoxcuda]
#1156786
01/23/12 11:45 PM
01/23/12 11:45 PM
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Joined: Jan 2003
Posts: 31,049
Oregon
AndyF
I Win
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I Win
Joined: Jan 2003
Posts: 31,049
Oregon
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Quote:
Quote:
That is a good point. Many of the rear disc kits require a switch to the green bearings. That is one of the reasons why I always recommend the DoctorDiff kit. He is one of the few guys who actually bothered to design his kit to work with the stock tapered bearings. Many mfgs just rebox a Chevy kit for the Mopar application.
With the DoctorDiff kit the bracket replaces the backing plate and the thrust clearance is set just like a drum brake.
Dan W. with the Hotchkis RR complains about pad knockback with tapered and green bearing. I think he's going to a floater rear end. Wonder what Tim W. opinions and experiances on this issue.
I set the thrust play up at middle of the book. Nothing special. I don't think Tim has ever complained about pad knock back. The rear disc aren't really required on his car and he runs it up past 155 mph on the straight. But rear discs are more linear and they reduce both rotating and unsprung weight a little bit so it is all good.
What thrust clearance did you shoot for on Tim's Valiant?
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