Vacuum and press boost.?

Mark

New member
So im not that familiar with turbos but i just bought a car with one and well first off the gauge shows a vacuum and press side whats the difference? pros and cons? also when its running it shows about 18 vacuum and then when i accelerate it start going to the press side to about 3 is there something wrong with my turbo or my gauges? Oh and about how hot can an average turbo run?
 
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