Got in my car this morning to run errands and upon starting I noticed a bad whine coming from the blower. Not the whine I 've heard from other blowers where it sounds like a rattle can or rocks n the blower. More of a deep whirring sounds. Maybe like the propeller blades were rubbing in there. I pulled the oil feed return lines to make sure they were clean and oil was getting through. Put it all back together and the whine ws still there. Gave it a little gas and black liquid/soot sprayed about 4 feet out of my exhaust. Car choked up a little to. Any ideas? I just got the blower back from Vortech about 3 months ago for service.


Just let the car run for 5 min and gave it a little throttle and more spray came out of the exhaust but it was less. There is no white smoke. Oil pressure was a little less than 30psi at idle

 

Humm.....strange.

Did you also check the oil return drain line to make sure it wasn't kinked?

Does the AF ratio look normal?