Louthan, Len wrote:

Jeff:

It is the Norton/Midwest based engine, as I'm sure you could guess from
the displacement. However, it is not a stratified charge engine but a
divided chamber. One of the distinctions is that neither glow plugs or
spark plugs are required during operation. Chamber looks a lot like
figure 15-28a in Obert's text. The CR is quite a bit lower.

Len

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