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Chevy Big Block Engine

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The rod journals are modestly undersized, at 2.100 inches. Some competitors in the Engine Masters Challenge believe that ultra-small Honda journals are the hot tip, but Shaver is the first builder we've talked to who has real testing experience and data. Shaver has found parasitic losses related to journal diameter fairly insignificant at engine speeds between 2,500 and 6,500 rpm.
427 Chevy Big Block - Radical Rat

 The rod journals are modestly undersized, at 2.100 inches. Some competitors in the Engine Masters Challenge believe that ultra-small Honda journals are the hot tip, but Shaver is the first builder we've talked to who has real testing experience and data. Shaver has found parasitic losses related to journal diameter fairly insignificant at engine speeds between 2,500 and 6,500 rpm.  View Related Article

 

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