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Cam Bearings


72gs455

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Have a good machine shop do it for you. But be sure to check that the front bearing is installed correctly so that the rockers will both get oil....maybe even mark the bearing and block for correct orientation. Another problem with (at least the small nailheads) is that after installation of the the cam bearings, in most cases the cam will not fit. The service manual says it needs to be 'align honed' to size, but most shops are not set up to do that since the cam bearings are different sizes. They will usually cut diagonal groove in the journals of the old cam and use that to ream the new bearings...a crude but effective technique. I try to get the machine shop to buy the parts they will install, that way when they screw up, they pay for the parts rather than blaming 'your parts'.

Willie

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