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steveo3002

3f/gt oil in inlet?

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steveo3002

earlier this year ive fitted full 3f mpi injection to my previously refreshed abd , still not running 100% and i decided to re seal the inlet mani incase it was leaking 

 

i gets it off and find the number 1 end is oily . not dripping but a good wet coating of clean engine oil 

 

thing is all breathers are vented elsewhere so i dont really get where on earth it could have come from ?   

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caretakerplus

That's an odd one. Even odder that it is clean oil.

 

I just wonder if your thoughts of a leaking inlet manifold were correct and the oil in there was spilt when you were changing the oil - a bit of a long shot I know, but can't think how clean oil would otherwise get in there.

If you haven't got a surface plate, I would suggest that you obtain a piece of PLATE glass, clean up the face of the manifold and place it on the glass, making sure that it traps your thinnest feeler blade (or a piece of paper) all the way round the manifold face.

If there are any gaps, then a THIN film of Mechanics Blue on the surface plate - slide the manifold over it - Should have an even coat of blue on the face, if not then you will need to spend some time with a file (or a scraper) to re-establish a flat face.

Make sure that the face on the cylinder head is free from deposits.

 

Let us know what you find.

 

Regards

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steveo3002

yeah baffles me 

 

ive stuck the new gasket on with lashings of blue silcone now , hate seeing the stuff but need it sealed up, i even looked at the rocker /head no signs of spillage

 

i did wd40 the isv but not to that amount 

 

clean engine oil...same as whats in engine , its stayed clean as i semi refurbed the engine so spotless inside 

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kiran_182

Ive had oil in the inlet too, really it would have to come from the return joining the induction arm. Block that off and see if theres any change

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steveo3002

the what?    my crank breather is venting to air and the inlet hose blocked

 

see here ..racing blue blanking cap lol

30127566_602360013445466_4905525929287437471_n.jpg

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kiran_182

Hmm, so can it be coming down the valve stems and being dawn into the inlet? 

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steveo3002

id imagine something would need to be really wrong to suck stuff into the inlet 

 

other random idea...fpr leaking and fuel sucked into tb and dripping down , didnt really look like fuel spose it might be 

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