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Does the stock BPT setup need an oil restrictor or is the metal feed line to the turbo already limiting the pressure?

I went from 10/30 mobil 1 extended performance oil to 20/50 and bought a new cheap pcv valve, then saw smoke. Especially after leaving my parking garage. (a little too much oil caused some backup while going down)
Now I am on 5/30 and initially some smoke but seems to be lessening.

Thoughts/suggestions

thanks

If this is an ebay turbo chances are you will need to restrict oil flow ALOT.

I even had to restrict it on a real garret turbo I had.

nolig2278 wrote:Does the stock BPT setup need an oil restrictor or is the metal feed line to the turbo already limiting the pressure?

I went from 10/30 mobil 1 extended performance oil to 20/50 and bought a new cheap pcv valve, then saw smoke. Especially after leaving my parking garage. (a little too much oil caused some backup while going down)
Now I am on 5/30 and initially some smoke but seems to be lessening.

Thoughts/suggestions

thanks

if ever you need to restrict it and you need an oil restrictor PM me i have a brand new one that i bought for my klze-turbo project and i havent used it ...its stillbrand new and sealed...

I have the stock BPT IHI VJ20 Turbo

20w50 seems really thick to me...