You are correct in the fact that the carbon seals to a better job at sealing, but only above 9,000 rpm, for IT, you're better off with the hardened steel seals from mazda.
Chris
IT7 #88
Senior Member
You are correct in the fact that the carbon seals to a better job at sealing, but only above 9,000 rpm, for IT, you're better off with the hardened steel seals from mazda.
Chris
IT7 #88
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