Jellybean Posted December 6, 2013 Share Posted December 6, 2013 Hey My friend Skyline was over fueling , the tuner mentioned it could contaminate the Oil with Petrol and cause excessive wear on the bearings. Any truth to this Quote Link to comment Share on other sites More sharing options...
David P Posted December 6, 2013 Share Posted December 6, 2013 Yes, and it can happen quicker than you'd like to think too. Quote Link to comment Share on other sites More sharing options...
Jellybean Posted December 6, 2013 Author Share Posted December 6, 2013 Thanks David , Never heard of it before; every day is a school day Quote Link to comment Share on other sites More sharing options...
David P Posted December 6, 2013 Share Posted December 6, 2013 Google "bore wash" and/or "fuel wash" and do some homework. Quote Link to comment Share on other sites More sharing options...
Jellybean Posted December 6, 2013 Author Share Posted December 6, 2013 Thanks they are the buzz words I need, Petrol in oil was not doing it for me Quote Link to comment Share on other sites More sharing options...
David P Posted December 6, 2013 Share Posted December 6, 2013 After petrol has washed oil from the bores, it then ends up in the sump where it both dilutes the oil and overfills the lubrication system. Quote Link to comment Share on other sites More sharing options...
stevieturbo Posted February 19, 2014 Share Posted February 19, 2014 Hey My friend Skyline was over fueling , the tuner mentioned it could contaminate the Oil with Petrol and cause excessive wear on the bearings. Any truth to this it would need to be seriously overfueled for this to happen, and over a period of time. Not seconds or minutes. And generally a car that bad, would have had other bad running symptoms too, or been drinking fuel like f... Simple check. Check oil level and smell the oil. If it stinks of petrol, then clearly petrol has made it's way there. If the oil level is higher than you last left it and it stinks of petrol...fairly self explanatory. Quote Link to comment Share on other sites More sharing options...
Ian C Posted February 22, 2014 Share Posted February 22, 2014 I had this years ago when I had an overfuelling problem thanks to a dodgy Apexi AFC. It took a few weeks of overfuelled idling and many cold starts to do it, but christ did the oil stink. I changed it (and filter of course) out before any serious test driving after fixing the issue. It's something to check for when buying a car as well, I was helping a friend look at cars and one stank of petrol in the oil, so it either had a fault or had been cold started so many many times it'd contaminated the oil. Who knew how many test drives it'd done with compromised oil... Quote Link to comment Share on other sites More sharing options...
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