>> Vacuum is pretty useless unless you have a turbo and can watch the >boost >> kick in. It will only show big vacuum leaks, way out of spec >timing, or >> bad valves; all of which you can avoid with good maintenance. Oil >temp > >well, actually, a vacuum gauge can be quite useful .... it's a >miles-per-gallon meter. :) if you use it to ease your speed on the >highway, you can get better mpg. high vacuum means the engine is >really sucking the air in ... and fuel, too. mercedes used to put >vacuum gauges in several of their models, but the readings were in mpg >rather than bar or in. of Hg. :)
I remember during the gas shortages of the late seventies, vaccuum gauges were a very popular option - and were standard equipment on many cars. My friend with a Mustang II had one - from the factory. Marshall Ruskin |
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