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Old 09-18-2010, 11:32 PM
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SBC 350 bearings recomendation

Building a 350 marine. Looking at clevite main, rod, and cam bearings. Engine will have a slight performance rebuild. Engine will live at mid to high RPMS. I am alittle lost on bearing selection.

Are the AL-3 cam bearings okay for this?
What about mains P or H series? Rods?
and what is the difference between p series bearings CB663P10 and CB1275P10

THanks!

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Old 09-19-2010, 10:44 AM
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I build several marine SBC's per year. H-series bearings are not needed (unless big radius aftermkt crank). I don't recommend the harder aluminum bearings and the P-series bearings are great for home builder. Good conform ability and will tolerate some grit.

Use CH-8 cam bearings. P- bearings. 663-p and 909-p in appropriate sizes and you will have a reliable engine with good service life..
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