The Honda B series was infamous throughout the 90's as Honda's performance oriented small engine. It was used in the Acura Integra and higher trimmed Honda Civics amongst others. In this video, we teardown a Honda B18 engine from a 1990 Honda Integra that has catastrophically failed due to lack of lubrication. The piston and connecting rod were severely grenaded and punched a hole in the block!
The B Series engine was the first production engine to feature Honda's famous VTEC variable valve timing and left electronic control system. This was a proving grounds for many engines to come throughout the 90's including on the Acura NSX. In many ways, the B-series was the predecessor to the infamous Honda K-series engines, which you can find more information on in this teardown:
The B-series features dual overhead camshafts with rocker arms, an aluminum head and block and stamped steel oil pan. The oil pump is direct drive.
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