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Which Frost Plug for 73ES 1800

Which frost plug do I use for my 1973es?

42mm or 45mm?








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ANSWER Which Frost Plug for 73ES 1800

Well... both. :-)

The six that keep the water in the block are 45mm, the one that keeps oil in the block (at the back of the camshaft) is 42mm. This is true for all B18/B20 engines, regardless of year.

--

Gary L - 142E ITB race car, 73 1800ES
BlueBrick Racing Website
YouTube Racing Videos

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Which Frost Plug for 73ES 1800

Thanks Gary







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