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Join Date: Apr 2007
Posts: 88
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ABS recalibration
I'm starting to get a little worried that changing the weight distribution of my car will mess with the ABS system. I know that it monitors the individual wheel speeds, and reacts based on the slippage, but how much does the weight distribution come into play? Also, if it makes a significant difference, can the control unit be recalibrated, or would I need to get a dedicated racing controller?
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05-02-2009, 06:09 PM
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Join Date: May 2006
Location: San Diego
Posts: 592
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Weight distribution should not have any impact. The thing to be careful with is tire diameter - don't stagger them too much front to rear. I'm not sure what the actual tolerable difference is, but I try to keep mine within 0.5" of each other.
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Kris 1990 C2 2005 CS http://krisu.smugmug.com/Auto/Porsche |
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05-02-2009, 07:18 PM
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Join Date: Apr 2007
Posts: 88
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0.5" diameter or circumfrence?
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05-02-2009, 07:51 PM
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Join Date: Jun 2003
Location: Calgary Alberta, CANADA
Posts: 2,113
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The rule of thumb is no more than 5% in diameter not .5"
This is the best tire calculator: http://www.miata.net/garage/tirecalc.html
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We're all in the gutter,but some of us are looking at the stars. -Oscar Wilde |
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05-02-2009, 10:24 PM
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