Quote:
Originally Posted by seattle
You drilled holes like suggested by ZetaTre, correct? 5 is too many, 3 is correct to get turbo sucking just right amount when filtering.
In my case, before ABC deletes, that was just fine, but increased suction from turbo after deletes, paired with weakened valve spring, caused the valve to close and fumes nowhere to go but through top cap relief valve.
If oil (not just fumes) get sucked into provent somehow, easy way to check is the hose INTO Provent. Normally, the hose would have a thin oily film, but if any oil was passing through, it would be covered in it from inside.
I have an exhaust manifold off a 50K mile x5d laying around in my garage.
Salvage yard where I got the HP turbo was too lazy to separate, so gave me both turbos and exhaust manifold together.
PM me if interested.
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I did drill only 3 holes as per DIY. Good point on the amount of oil in the inlet tube, it was oily, but not like a lot had flowed through, but more then just mist, although it has 170k miles so it may have more blow-by then normal.
I will reconnect everything, monitor and then stretch the spring as you have done. Thanks for the offer to sell your extra manifold, but I just bought a used manifold on Friday. #1 port on it is warped away from the head ever so slightly as well when checked with a straight edge, but much less then mine and is something I can take out with mild plaining... I think.