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Old 05-05-2009, 11:11 AM
D-CEL D-CEL is offline
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Join Date: Jan 2005
Location: Rancho Cucamonga, ca
Cobra Make, Engine: SPF 239
Posts: 820
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Vector1,

We used to Blanchard grinding everything at Wilwood, but we found that even though the faces were parallel, we couldn’t guarantee they would be perpendicular to the rotational axis of the hat. The result was “run-out” that could be felt in the pedal.
We started turning both faces in a single setup and could hold the total run-out to less .002.
Just offering a little insight

Good Luck

Jason
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