high rpm oil leak from driverside v/c
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Joined: Mar 2007
Posts: 586
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From: south of kansas city
Car: 86 berlinetta 92rs gfx
Engine: 4 bolt 384 stroker
Transmission: th350 4000 stall manual/T brake
Axle/Gears: 87 iroc 9 bolt
high rpm oil leak from driverside v/c
im running the 7qt kickout pan, high volume o/p, standard pressure. 20w50 oil.
the problem is around 5500 up to 7000 rpm's oil is pissing out the baffle and v/c gasket all over the driverside header and smoking me out. ive heard of a restrictor you can install in the center plug on back of the block, to limit the oil to the top of the engine. was wanting input before i yank the trans out again, thinking of pulling the motor and putting a stocker pump in it, any input would be great.
and yes i tried new v/c gaskets.
the problem is around 5500 up to 7000 rpm's oil is pissing out the baffle and v/c gasket all over the driverside header and smoking me out. ive heard of a restrictor you can install in the center plug on back of the block, to limit the oil to the top of the engine. was wanting input before i yank the trans out again, thinking of pulling the motor and putting a stocker pump in it, any input would be great.

and yes i tried new v/c gaskets.
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Joined: Jul 2007
Posts: 1,141
Likes: 2
From: MA
Car: '87 IROC/'68 SS
Engine: 5.7L/350
Transmission: 700R4/Muncie 4-spd
Axle/Gears: 3.27 9 bolt / 3.31 12 bolt
Re: high rpm oil leak from driverside v/c
Do you have a PCV valve connected to a good vacuum source on the other side?
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Joined: Nov 2009
Posts: 230
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From: PA
Car: 1985 trans am
Engine: 1969 chevy 350 .060 over
Transmission: 5spd
Re: high rpm oil leak from driverside v/c
make sure your valve covers are tight and everything of that nature, itd be a waste of time if you did a bunch of stuff only to realize your valve covers were loose or its a bad gasket
Thread Starter
Senior Member
Joined: Mar 2007
Posts: 586
Likes: 0
From: south of kansas city
Car: 86 berlinetta 92rs gfx
Engine: 4 bolt 384 stroker
Transmission: th350 4000 stall manual/T brake
Axle/Gears: 87 iroc 9 bolt
Re: high rpm oil leak from driverside v/c
im just running breathers on both valve covers. the gaskets arent leaking, its filling the baffles up with oil, and spraying out on the headers/ valve cover. im prolly just gonna plumb them to a catch can and monitor the oil level.
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