The MGA With An Attitude
VACUUM/FUEL PRESSURE GAUGE - TS-126
You can use a vacuum gauge to check health of an engine, set ignition timing at idle speed, or check vacuum signals for a power brake booster. You can use a low-range pressure gauge for testing fuel pressure (among other things). For one fairly small price you can get a combination vacuum and pressure gauge good for both purposes. Commonly under $20, sometimes under $10. I most often use it for checking fuel pump output pressure.
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