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Original Message
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RE: piston weights |
By giacamo - 01/16/2004 8:23:04 PM; IP 63.163.157.26 |
the 2u and 3u cranks are basic twins. flat tops cast pistones with the valve reliefs are the way to go for streat use.thay will give you aprox, 10 ,,to 10.5 compresson.....piston and rods weights need to be uniform. for balance.but the crank and flyweal and damper are the inporent parts that should have perfect zero balance.......i have ran the u 390 cranks with all types of pistones just make shure the weights are uniform.. |
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