Scientific I know but I pulled vacuum on the 4' line going to the modulator with my mouth and the line and modulator held vacuum.

I should probably go buy a mighty vac.

The VCV spring tension adjustment made such a difference on my dads automatic 83 240D taking it from undrivably quick upshifts to a a 240D that surprises other previous 240 owners because it will hold each gear out.

Thanks for the correction on the .117/.118 I think I came up with .118 reading various threads last night on my iPhone, pissed off that my car wouldn't shift right.

I was thinking zero vacuum or full vacuum would have made the transmission shift like a dump truck but since it did nothing I was thinking the modulator was the culprit.

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