Oil burning on start up

[Mitch4x4]

On my 1998 k2500 5.7 I started noticing at the beginning of the year that on start ups it puffs some smoke and smells and it doesn’t happen often, it does it once in awhile. It usually burns 1-2 quarts an oil change. Then today I noticed I had oil sitting in my intake cover. I replaced the pcv valve about 2 months ago and it still seems to be working to my knowledge. Is the motor building to much crankcase pressure to put oil in the intake cover or what’s the issue? Im still new to working on motors any help is appreciated.

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[Hipster]

Looks like you have lots of blowby going on.

 

[Schurkey]

Where does the PCV hose enter the intake stream? If it enters upstream of that visible oil, you could pull the PCV hose itself, to see if the oil is coming from the PCV system, perhaps due to insufficient baffles in the (aftermarket???) valve cover.

 

[Mitch4x4]

Where does the PCV hose enter the intake stream? If it enters upstream of that visible oil, you could pull the PCV hose itself, to see if the oil is coming from the PCV system, perhaps due to insufficient baffles in the (aftermarket???) valve cover.

The oil is after the pcv hose and it’s all stock valve covers

 

[0xDEADBEEF]

I would do a compression check.

But as a patch you could get a catch can and empty that sucker frequently.

 

[Joe Dirte]

Ehhh... top end lube on cold start or mosquito fogger on summer nites.