The 30-0-30 style gauges are best for the street use, where traction is limited. You will learn, through practice, at what point your tires will hold vs vac/boost levels when power braking. This is the method I used for years when playing around on regular radials. Then sticky DOT tires came out and I switched over to the 0-whatever boost level style gauges.
Vac/Boost/Vac gauges will help diagnose some issues with your motor, as well as be very helpful if you are running vacuum brakes.
This is the current boost gauge I run in my '87.
Autometer Z-Series #2614
0-30, 0-35 and 0-60 psi boost gauges are for the serious racers who need to glance at their boost on the top end. They are also easier to read, larger numbers.
Just my experience.
Patrick
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Last edited by RUQWKNF : July 5th, 2008 at 11:26 PM.
Reason: added pic
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