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#1
October 12th 2008, 00:03
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Cross drilling rotors
Is there a pattern online or wherever to cross drill my rotors?
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http://www.vvwc.ca/minstone/ 
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#2
October 12th 2008, 01:41
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Buy them drilled, don't drill them yourself. Drilling them yourself sets you up for stress fractures down the road.
Jason
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If I could just get paid for my sleepless nights.... 1960 VW Bug UBRDUB Walkaround 1st Drag Run Dyno Run Oval Ragster-'57 Rag/'04 Boxster S
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#3
October 13th 2008, 08:09
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The cross drilling is dependant on the vane pattern within the disc/rotor so there are several patterns available that are also modified by the disc diameter. The basic problem with drilled discs is that they generate stress risers at the edges of each hole that can translate into cracks that will affect the performance of the disc. It is far better to use the grooved discs that are available that achieve the same result safer.
evilC
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#4
November 5th 2008, 10:10
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Slotting is arguably better... and buy properly done ones from an aftermarket brake manufacturer or you might die
__________________
aka VWCOOL '56 Cal Oval with IRS and a 1916 '68 Country Buggy. '76 fuel injected Cabriolet ..and a good ol' Aussie V8
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