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B21 Crank in a B20 120-130

posted by  Chris Mullet on  Wed Aug 13 05:10 CST 2008
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last visit: Fri Oct 24 09:08 CST 2014
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You shouldn't even have to swap rod/piston to decide where the problem lies. If it really were the crank throw that's off, then not only would the piston rise .010 too much at the top, but it would also DROP .010 too much at the BOTTOM of the stroke (or an increase of .020 in stroke). If the stroke is the same as the other 3, but just .010 higher in the cylinder, then it's something wierd with the piston/rod.






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New B21 Crank in a B20 [120-130]
posted by  122_Canadian  on Tue Aug 12 13:47 CST 2008 >


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