I have not see that! Awesome stuff there

Thanks Mosu.

I have a different diaphram on my diz that has a nipple on the front and the back, (that sounded weird).
I ran the advance line to upper inlet on the carb and it seems to like that better. The lower inlet has quite abit of vac to it so for kicks I just plugged it. Everything seems to be fine.

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1969 w108 280s