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Aquaplane Ford Pre-crossflow Engine

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Line Honing

Ford Crossflow block.Line Honing main bearing bores.

After thousands of heat cycles,as an engine is used for many years of mundane motoring,the cast iron cylinder block will “creep” and distort causing misalignment of its main bearing bores. To remedy this problem the bearing housings can be line honed.This is essential to ensure free running of a newly ground crankshaft in its bearings .

This process is also used when fitting steel main bearing caps or centre main bearing straps to Austin/Morris “A” series engines.

We  also have special honing mandrels to realign Lotus Twincam camshaft bores.

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