So...does anyone know how to modify the valve body in the 1990 and older 300E?

I guess we could buy the modified valve body from bergworks but it's kind of expensive. Besides, I already have a valve body in my 1990. I can't believe the mod is that big a deal. More a matter of knowing what to do, most likely.

Seems like I read once that you simply move a spring.

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2012 E350
2006 Callaway SC560