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Cattle Boards
Trucks, Tractors & Machinery
Chevy 8.1 Vortec Rebuild
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<blockquote data-quote="chevytaHOE5674" data-source="post: 1129570" data-attributes="member: 19817"><p>Agreed if its been maintained well then you shouldn't need a rebuild at 238k. We had an 8.1L in a woods truck at the sawmill that had about 500k on it before we sent it to the crusher because everything was simply worn out, and it spent its whole life running back and forth from the sawmill to logging jobs getting abused. </p><p></p><p>You need to figure out why it is fouling the plug, and then go from there. Some year 8.1L motors had TSB's for replacing the intake bolts and gaskets, they also had some PCV valve changes along the way. </p><p></p><p>As far as oil leaks, figure out where they are coming from and go from there.</p><p></p><p>If the motor has good compression and good oil pressure then there's no reason to rebuild.</p></blockquote><p></p>
[QUOTE="chevytaHOE5674, post: 1129570, member: 19817"] Agreed if its been maintained well then you shouldn't need a rebuild at 238k. We had an 8.1L in a woods truck at the sawmill that had about 500k on it before we sent it to the crusher because everything was simply worn out, and it spent its whole life running back and forth from the sawmill to logging jobs getting abused. You need to figure out why it is fouling the plug, and then go from there. Some year 8.1L motors had TSB's for replacing the intake bolts and gaskets, they also had some PCV valve changes along the way. As far as oil leaks, figure out where they are coming from and go from there. If the motor has good compression and good oil pressure then there's no reason to rebuild. [/QUOTE]
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Chevy 8.1 Vortec Rebuild
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