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have a bbc 565 2 stages and after one run vaccum pump breather tank is half full of oil and oil is sprayed all over inner fenderwell. have pump inlet in front of valve cover with a baffle in cover and reher morrison relief valve. any suggestions would be greatly appreciated.
 

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You can try an oil seperator before the the pump. With that kind of oil getting in the vanes in the pump wont last long.. Steffs makes a nice one..
 

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Sometimes this is a windage problem, at least it can be with a mopar big block. I was running a 6 inch deep dragster pan (total of 8 3/4 inchs from crank centerline to bottom of the pan), throwing oil out all the time. Went to a pan designed for my car out of Ray Bartons shop that had a bit more depth and a sidebucket, no more oil problems, just a bit of water from the alky.
 
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