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Gas in crankcase oil
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<blockquote data-quote="swampratt" data-source="post: 3074745" data-attributes="member: 15054"><p>I have ran gasoline in the oil many times to super clean an engine and never hurt it.</p><p>That is a long story though.</p><p>First engine was 200inline 6 ford.</p><p>300,000 miles on it and fuel pump went out .</p><p>Noticed fuel level was dropping and engine was running really rough and then I smelled gasoline.</p><p></p><p>Filled it up so full it was coming out of the dipstick.</p><p></p><p>The next couple oil changes were really clean and the car ran much better.</p><p></p><p>Seems to have cleaned the rings I suppose.</p><p>With that in mind I used a mix of gasoline and trans fluid to clean a couple bad oil burners.</p><p></p><p>The deal with some oil burners is the oil rings are stuck from all the varnish and goo.</p><p>Couple ways to un stick them..remove and clean them or make a solvent bath inside the crankcase/ oil pan.</p><p>Oil that is in it mixed with transfluid and diesel or gasoline or mineral spirits or toss in some berryman an some laquer thinner.</p><p>Many solvents you can use.. but you need oil in there to keep it lubed</p><p></p><p>Cold Engine : start the engine rev it up shut it down.. maybe 6 seconds run time.</p><p>Let it set 20 minutes and repeat.</p><p></p><p>You should have about 2.5 gallons in the crankcase of a 5 quart system.</p><p>This cold start splash solvent bath will get solvents on the rings and loosen the varnish.</p><p></p><p>I repeat this about 6 times during the day never let engine warm up.. as this will evaporate the solvent and it will not work.</p><p>Next morning do the cold start rev thing and let set 20 minutes and do it again 1 more time.</p><p>Drain the concoction in the evening and fill with good oil and change filter. drive around the block and change oil and filter again.</p><p>after a couple days of driving you can change oil and filter 1 last time.</p><p></p><p></p><p>I have done this to some of those mosquito foggers you see going down the road.</p><p>Fixed many of them..Yes they were my salvage yard auction purchased fogger vehicles.</p><p></p><p>I can't drive it like they were. so might as well try it.</p><p>Does not work for bad valve seals/guides.</p><p></p><p>Remove O2 sensors before doing this if the car has them.</p><p></p><p>Nitromethane is what is very hard on bearings when it gets into the oil castor oil helps that situation.</p><p>gasoline is not something I worry about especially with other lubricants in the engine.</p></blockquote><p></p>
[QUOTE="swampratt, post: 3074745, member: 15054"] I have ran gasoline in the oil many times to super clean an engine and never hurt it. That is a long story though. First engine was 200inline 6 ford. 300,000 miles on it and fuel pump went out . Noticed fuel level was dropping and engine was running really rough and then I smelled gasoline. Filled it up so full it was coming out of the dipstick. The next couple oil changes were really clean and the car ran much better. Seems to have cleaned the rings I suppose. With that in mind I used a mix of gasoline and trans fluid to clean a couple bad oil burners. The deal with some oil burners is the oil rings are stuck from all the varnish and goo. Couple ways to un stick them..remove and clean them or make a solvent bath inside the crankcase/ oil pan. Oil that is in it mixed with transfluid and diesel or gasoline or mineral spirits or toss in some berryman an some laquer thinner. Many solvents you can use.. but you need oil in there to keep it lubed Cold Engine : start the engine rev it up shut it down.. maybe 6 seconds run time. Let it set 20 minutes and repeat. You should have about 2.5 gallons in the crankcase of a 5 quart system. This cold start splash solvent bath will get solvents on the rings and loosen the varnish. I repeat this about 6 times during the day never let engine warm up.. as this will evaporate the solvent and it will not work. Next morning do the cold start rev thing and let set 20 minutes and do it again 1 more time. Drain the concoction in the evening and fill with good oil and change filter. drive around the block and change oil and filter again. after a couple days of driving you can change oil and filter 1 last time. I have done this to some of those mosquito foggers you see going down the road. Fixed many of them..Yes they were my salvage yard auction purchased fogger vehicles. I can't drive it like they were. so might as well try it. Does not work for bad valve seals/guides. Remove O2 sensors before doing this if the car has them. Nitromethane is what is very hard on bearings when it gets into the oil castor oil helps that situation. gasoline is not something I worry about especially with other lubricants in the engine. [/QUOTE]
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