Volvo RWD 140-160 Forum

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bearing area on B20 140-160 1968

posted by  someone claiming to be chris ulrich on  Sun Dec 3 07:13 CST 2000 [RELATED]



I've read that the B18/B20 has more bearing area than a chevy big

block. This may explain why these motors are somewhat hardy.

My question is -- what happens if you grind off some of the bearing

area so that there is less surface in contact with the crank? Less

friction / more wear? Would this produce a motor that only goes

400,000 miles before it needs bottom end work in stead of 800,000 miles?

Are there any advantages to doing this?





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New bearing area on B20 [140-160][1968]
posted by  someone claiming to be chris ulrich  on Sun Dec 3 07:13 CST 2000 >


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