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I have the PCV valve deleted and a catch can added. Is it possible to have oil consumption of up to 2qts in a 500mile period? Or do I have bigger problems on my hand? Just rebuilt the motor and everything is brand new so I'm at a loss
If you want know if it's going through the PCV - or lack thereof - pull the throttle and look inside the intake. If its a horrible mess in there, you've got your answer
I would get the valve seals replaced. My 99 TA guzzled a quart of oil every 1000 to 1500 miles. After valve seals it's half quart every 4000 miles.
A properly built stroker with a 4 inch stroke crank won't more oil than a good stock LS1. My 91 RS has a 383 LS1 that doesn't use any noteworthy oil between 3000 mile oil changes. I've never seen the oil level change on the dip stick between oil fillsI check at each gas will with all of my cars.
Last edited by 99 Black Bird T/A; Apr 30, 2017 at 08:10 AM.
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Engine oil consumption through PCV system 
