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what bits should I use to port the exhuast manifold???

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Old 09-06-01, 03:56 AM
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John

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what bits should I use to port the exhuast manifold???

Lst time I tried to port my wastgate with these bits and the cast iron ate them up real quick that I had to send them to a milling shop. Should I use the regular sandpaper looking stuff or the carbon tip bits?

thanks for any info
Old 09-06-01, 08:42 AM
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larger drill bit and a carbide porting bit work best.
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