RB25 spitting oil out of air filter

Richard Marshall · Postby **Richard Marshall** » June 15th, 2014, 10:53 am

What can cause an RB25 non turbo to spit oil out of the air filter on mid to high rpm range?

Richard Marshall · Postby **Richard Marshall** » June 15th, 2014, 7:55 pm

Anyone?

RakeshRRR · Postby **RakeshRRR** » June 15th, 2014, 9:55 pm

engine back presserin

Richard Marshall · Postby **Richard Marshall** » June 16th, 2014, 12:17 am

What can be causing it?

turbosingh · Postby **turbosingh** » June 16th, 2014, 8:53 am

Richard Marshall wrote:What can be causing it?

Compression rings.

Richard Marshall · Postby **Richard Marshall** » June 16th, 2014, 6:21 pm

So it'll be costly to repair?

chrizz · Postby **chrizz** » June 19th, 2014, 9:19 pm

Might be cheaper to change the RB.

Richard Marshall · Postby **Richard Marshall** » June 20th, 2014, 1:19 pm

Changed my mind. Ditched that project long time. Too much headache. Lol.

Conrad · Postby **Conrad** » July 4th, 2014, 9:20 am

Could also be a blocked or poorly routed PCV system i.e. regular blow by

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