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The Terminator
Engine/Tuning
Metco Lower Pulley vs. Stock Caged Lower
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<blockquote data-quote="Quick Strike" data-source="post: 14198150" data-attributes="member: 11920"><p>I had five years and 35K miles with a 4# lower and 2.8" upper with a ported Eaton. The front bearing looked great and measured like all the others when I rebuilt it due to piston issues. The crank went back in with a polish and standard size bearings, and all the bearing clearances were perfect. It has now lived another four years with a 2# lower and 3.5" upper with a KB 2. 8H making over 22 lbs. of boost. I think it is the larger blowers in the 3.4L + range that put unmanageable stress on uncaged lowers. Those seems to be the ones I have read about breaking snouts over the past 10 or so years in the forums.</p></blockquote><p></p>
[QUOTE="Quick Strike, post: 14198150, member: 11920"] I had five years and 35K miles with a 4# lower and 2.8" upper with a ported Eaton. The front bearing looked great and measured like all the others when I rebuilt it due to piston issues. The crank went back in with a polish and standard size bearings, and all the bearing clearances were perfect. It has now lived another four years with a 2# lower and 3.5" upper with a KB 2. 8H making over 22 lbs. of boost. I think it is the larger blowers in the 3.4L + range that put unmanageable stress on uncaged lowers. Those seems to be the ones I have read about breaking snouts over the past 10 or so years in the forums. [/QUOTE]
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Metco Lower Pulley vs. Stock Caged Lower
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