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Old 02-12-2005 | 10:29 PM
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afm
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From: lima-peru
Default Re: Re: Re: piston and sleeve question
Originally posted by disaster999
thanks AFM, regarding the grinding on the sleeve, on RB concept's website, they said they hand grind the ports on their top end engine for "precision". do they handgrind all of them or are they CNC milled or some sort?
Most manufacturers and tuners hand grind top modified racing engines, over base production engine which is CNC machined.

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