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Does anyone know what the Vacuum should be for B21A Engine? 200 1981

posted by  RLC on  Tue Mar 1 15:20 CST 2005
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I have a Vacuum driven Volvo Fuel Economy Gauge. I am curious what the Readings would be with the Needle all the way to the left (Full Vacuum) at Idle, no Revving and all the way to the other end of the scale, where the Black ends and Red begins. All the way to the stop in the Red, I could assume no Vacuum.

Anyone ever used this gauge before?

Thanks.






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New Does anyone know what the Vacuum should be for B21A Engine? [200][1981]
posted by  RLC  on Tue Mar 1 15:20 CST 2005 >


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