> I am trying to diagnose a flat four > with four venturis and individual intake manifolds. When I attach the > vacuum gauge under a single venturi it produces rapid swings from zero to > 20. Hmmmm.... Maybe this is a 356? ;-) I have a Synchrometer, a German flow meter for measuring just that. I used to use it on my 911T when it had Weber carbs, and when I had a 911T. As I recall, since all the air down a venturus (?) passes through this devicve, it tends to smooth it out. You are sure welcome to borrow it, if you wish. PS: the scale on it runs 0-30 kg/h, with most of the scale 0-20. Richard |
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