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Home > Help Needed / General Tech Chat > fuel mixing with oil

sauber 200

421 Posts
Member #: 245
Senior Member

31st May, 2004 at 10:56:05am

hi guys,checked oil looks a bit thin,slight smell of petrol.
any ideas.

turbodave16v
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10980 Posts
Member #: 17
***16***

SouthPark, Colorado

31st May, 2004 at 11:09:54am

Don't use it!!!

Sounds like fuel is coming up the jet and flooding the engine - fuel pressure too high or float jet not closing.

To check either, remove the pipe that is usually blocked off just forward of the fuel inlet to the carb.
The engine will start and run fine at tickover with this open, but won't boost...
What you are looking for is any fuel coming out of it - as it sits above the normal fuel level in the carb. If it does, it confirms what i said above... If not, then further investigation everywhere else is needed!

D

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AlexF2003

5795 Posts
Member #: 80
AFRacing LTD

Newbury, Berks

31st May, 2004 at 12:53:31pm

hopw old is the oil...

blow by from worn rings can cause oil dilution... but so can many other things!

alex

AlexF

giallofly

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4436 Posts
Member #: 164
The Stig..

Newport Pagnell

31st May, 2004 at 06:50:13pm

it's shagged!..got an 850 in good working order for you Sauber.

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1380Turboman

166 Posts
Member #: 221
Advanced Member

1st Jun, 2004 at 11:02:34am

I had exaclty the same problem with my new engine. Bought a Gunson Lo Gauge and set the fuel pressure properly and the problem stopped.

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