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Vacuum gauge readings..
Posted by wolf_walker [Email] (more from wolf_walker) on Wed, 12 Apr 2006 21:21:44
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Kind of a lost art, I used to use them for tuneing carbs long ago.
Anyone remmeber much about it?
I put my handy dandy vacuum/pressure gauge on the boost gauge line in the car and buzzed around some today on the 86. Gauge only shows 10psi of boost and it pegs that quickly, so I still have to find a better boost gauge for testing things.
It was the vacuum I'm wondering about. Overall leverls looked ok, and while it did kinda rise and fall at idle, so does the RPM(which is another issue all together), BUT, there was an odd thing. A very, very tiny very fast vibration of the needle at idle. Very small, very fast, but it was there. This generaly means something bad in the valvetrain but I don't remember what. Anyone?
posted by 71.53.101...
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