Vacuum Pump recommendations

So I put a Star Machine vacuum pump assembly in my Valiant. Indy sealed valve covers. At New England Dragway now....first run. Oiled the headers down. About 4 oz of oil in the catch can about 4 oz of oil on the firewall,tires and headers....too much vacuum? Called Star no answer today....

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No such thing really as too much vacuum, do you have a gauge? I suspect you have other issues you haven't found yet.