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Re: 71 cuda Brake upgrade Questions
[Re: Kern Dog]
#1313016
09/30/12 06:44 PM
09/30/12 06:44 PM
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Joined: Feb 2012
Posts: 4,463 Morristown Tn.
71birdJ68
master
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master
Joined: Feb 2012
Posts: 4,463
Morristown Tn.
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I have a question. I was doing the same thing with a 71 B body, and had a set of Diplomat spindles. I had already bought the 71 repo discs,which are U.S. made and are far better than the chinaman A body discs, but wont work with the Diplo spindles, so I found a set of 71 spindles and went that way instead.So my question is just how critical is the extra height of those spindles compared to the 71 spindles.Some people use them, and some say not to, has anybody come up with a researched answer. Diplomat set up is about half the price compared to the 71 setup. Just curious? Now I have a 75 Dart with power brakes, and the booster set up is completely different than a 71 E/B body, if looks matter to him.
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Re: 71 cuda Brake upgrade Questions
[Re: 71birdJ68]
#1313019
10/01/12 11:49 AM
10/01/12 11:49 AM
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Joined: Jan 2003
Posts: 5,394 Pikes Peak Country
TC@HP2
master
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master
Joined: Jan 2003
Posts: 5,394
Pikes Peak Country
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Quote:
So my question is just how critical is the extra height of those spindles compared to the 71 spindles.Some people use them, and some say not to, has anybody come up with a researched answer.
The topic has been discussed extensively over the preceeding decade.
Bill Reilly, of Alterkation fame, did do a critical analysis of the differences on a mocked up front end. Results showed that in the normal range of motion, there is no appreciable difference in bump steer. Out in the extreme end of range of travel, the taller spindles do create an additional .02 of bump steer in extension and improved bump of .02 in compression. They also showed an improved camber gain over the same range of motion which will do a better job of keeping the tire tread in contact with the ground. Details are here: http://www.bigblockdart.com/techpages/spindles.shtml
Two additional positive aspects of the tall spindles are improved spindle axis inclination, which will improve return to center behaviour and high speed stability and lighter weight with the tall spindle actually being a couple pounds lighter than the earlier style shorter spindle.
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