Re: Engine vaccum - 90' Suburban
18" hg is perfectly acceptable. Is it steady? What is your ignition timing set at?
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My Classics:
'72 K20 Suburban + '65 Dodge Town Wagon
'72 Corvette Roadster +'67 Corvette Roadster
'73 Z-28 Camaro
'63 Ford SWB Uni Pickup
'50 Ford Coupe
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