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Old 12-27-2003 | 11:05 PM
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ChuckAuger
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Default RE: Which engines for Open B?

Sorry, just seems like the weights for OS engines are always posted here w/o muffler while the Irvines are given w/ muffler, makes the OS seem a LOT lighter. I hadn't done a head-to-head in a while. FWIW the Irvine is listed as 9.4 oz w/o muffler.