Compression

Pete in MD · Oct 11, 2023

Anyone know what the compression was on a TC-MM engine when it was new?
The engine is a model HEB, 605 cubic inch, 6 cylinder, stationary engine, built in 1946.

RandyC · Oct 11, 2023

I think it is 80-100 psi

SWMolines · Oct 12, 2023

It will depend on what heads are on the engine.

Here is a link that may help. Look at the lower table for the earlier heads.

https://fiorelli.tripod.com/index-5.html

Pete in MD · Oct 18, 2023

SWMolines,

Thanks for the chart. I checked the head on our MM today and got my question answered.

Thanks again,
Pete

Compression

Pete in MD

Well-known Member

RandyC

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SWMolines

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Pete in MD

Well-known Member

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