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Engine Quandry 120-130 1967

posted by  Volvo From Heck on  Fri Jun 15 20:45 CST 2018
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last visit: Mon Oct 13 20:56 CST 2014
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If the B18 head is original to the motor (are you sure it's a B18 head--40mm intake valves and umbrella type seals?) it will have a stock compression ratio of 10:1 (higher with the larger B20 bore-and higher still but not by much - with an additional .020"). The B18 head you already have prepared can be used but you will definitely need premium gas - and maybe octane booster. Volvo used to have an extra thick head gasket to help in that regard. -- Dave






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New Engine Quandry [120-130][1967]
posted by  NoahAndThe220NamedStella  on Fri Jun 15 09:51 CST 2018 >


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