stevecivic

Just finished up my Delsol B18c1 turbo project. I am running a T3 .48/.60 turbo at about 5psi. I used a copper oil feed and a huge oil return line and it is smoke when i come to a stop. My oil pressure gets up to about 61psi when i am on the gas. There is oil in the charge pipes from the turbo. The turbo is brand new and the question i had is can i just replace the oil seal going into the charge side? And if so where can i find one?
thanks for the help
steve

whiterice

a reason may be the oil pressure is too high going to the turbo. this problem has been posted before where people have used the needle valve to lower the pressure. try it out.

stevecivic

i Just dont think that 60 psi of oil pressure is too high. Were can i find new seals and how hard are they to replace?

Todd

if your turbo is new why would the seals be bad? What size drain do you have other than "big" What size is the feed line?

shortyz

60psi is alot for a turbo.

to function at WOT a turbo only really needs about 10-20psi. and the seals are not meant to be hit with 60psi. some survive some dont. spend your money on a needle valve

stevecivic

I am useing a 1 inch drain from a grand national. My feed line is a 1/4" copper line from the back of the block. Where can i get one of the needle valves?
thanks for the replys

traff1c

1/8 to 1/8NPT Needle Valve = $5.99 at Ace True Hardware Stores.

use that on your line and run an oil gauge after it to see what PSI level it is at.

shortyz

new user FAQ to the rescue again~

https://www.homemadeturbo.com/forum/...;threadid=5514

stevecivic

Thank you guys for all the help. i will give that a try tonight and let you all know

rudebwoy

Just dont do what I did, I turned the pressure down too low and kill the turbo, no more boost until I get a replacent. I did not use a guage, now I cant drive higher than 5000rpm,air starvation.