Thread: Sleeves in a 427 side-oiler
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Old 09-04-2001, 07:24 AM
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Hi John,

Don't know for sure about the 427 SO motor but in touring car racing down here it was popular to sleeve motors for performance advantage. The material used in the manufacture of the sleeves is of a much higher quality and if properly installed can result in a stronger bore than the original. They eventualy brought in a rule to discourage this practice that you could only sleeve 7 of 8 bores.

Cheers
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