Either will allow your transaxle to shift smoothly, even at sub zero temperatures! The other reason for regular oil changes is that with use, motor oil becomes contaminated (dirt, water, acids, etc). This is high … Synthetic oil is now being made is such weights as 5w50, and 0w30, weights that are not possible to achieve with dino oils. Since this article was written, there have been a lot of changes with oils which we use in our beloved vintage aircooled engines. Advantages to Running Synthetic Oil in Aircooled Engines Specially formulated 2 stroke semi-synthetic oil for high performance air cooled two stroke engines such as chainsaws, brushcutters and horticultural equipment. I have restored several VW type I and type II’s. On our recommendations that they change from the diesel oil to a good dino oil (for gasoline engines), or synthetic (also for gasoline engines), customers have reported  oil temperatures dropping back to where they were used to seeing them. You should still change your synthetic oil at the same intervals as you do with dino oil. “In my … In fact, Four-Ball Wear Tests show Harley- Davidson® 20W-50 Motorcycle Oil leaves … We use cookies to ensure that we give you the best experience on our website. This is in identical engines that have all the correct cooling tin in place, and are not suffering from overheating to begin with. The myth started because on occasion, an engine will leak with synthetic oil, but not dino oil. Synthetic oil causing oil leaks is another commonly spread myth. The answer is twofold: additives and contamination. It seemed OK back then, But when I started rebuilding the engines I … Let’s talk first about what “dino” oil is (Dino is short for Dinosaur, which is when it started forming). It works in all 4-cycle air and liquid-cooled, gas outdoor power equipment engines and experiences significantly less oil consumption versus 10W30 mineral oils. We provide the classic VW hobby with tech tips, project advice, and quality parts for VW Restoration, VW Performance and Custom Aircooled VW projects. It gives the ultimate protection at all temperatures. The reason for this is that the smaller molecules of the synthetic are able to get past very small crevices, where the larger molecules of dino oil cannot. Mixes easily with petrol if required, and can be used at ratios of 10:1 … Now imagine the same gymnasium floor covered in uniformly sized golf balls. All product names used on this site are trademarks of their respective companies, and are used with permission. Air cooled engines don’t have a thermostat to control the engine … It will probably surprise you to learn that synthetic oil has all the same additives that dino oil has! Mobil 1 V-Twin 20W-50 combines high performance synthetic basestocks technology with a precisely balanced component system to help provide outstanding engine cleanliness, excellent wear protection at high temperatures and highly effective protection from corrosion. Oil does not break down under normal use. And I even use synthetic 2-stroke oil … Contains additives to minimise wear ensuring long engine life. Toro's Synthetic Oil offers ultimate protection Toro's Synthetic Oil offers ultimate protection and versatility for all 4-cycle OPE engines. greg_g Join Date: Jan 2004 Posts: 1816 Western Kentucky Pics: 2008-02-21 151532 I use full synthetics in air cooled engines without any reservations at all. The best way to mix gas and oil for a two-stroke engine is to put the required amount of oil … Many similar additives are also used in … So as of now (7/15/14) we have had reports of great results with both Amsoil Synthetic Z-Rod 5-30, or Valvoline VR-1 (which we do not sell, but you can get it at your FLAPS). Kohler did a very indepth study of oils before they came out with their own brand of oils. It is the interim product that is reached after crude oil (that comes from the ground) has undergone refinement. However, laboratory testing has consistently revealed that Genuine H-D Oil does not provide the best protection possible for Harley-Davidson® engines. The additives in oil DO break down, which is part of what necessitates oil changes. Your engine will still benefit somewhat from it, but due to the higher cost of synthetic oil, the gain of running it before it becomes contaminated is negligible. All Rights Reserved. Fully synthetic oil is suitable for the air-cooled, six-cylinder flat engines in 911 models with a displacement of 3.0 liters and above, and dry sump lubrication. © 2021 VW Parts for Aircooled Volkswagens - Aircooled.Net. And a lot of what you hear from backyard mechanics is rumor and myth. We offer this 20W-50 for guys that insist on running this viscosity oil … Synthetic oil while able to withstand the higher crankcase temps in air cooled engines didn't offer any more wear resistance than a good quality carbon based oil … Stay up to date with product updates and the latest news. Don’t Use Leftover Synthetic Oil for Small Engines: Leftover synthetic oil is usually a small remainder of the oil that left in your quart bottle. This is true of both dino and synthetic oil and is also the reason why you take oil to the Recycling Center and not the trash dump. Smaller, more uniform molecules can absorb more heat from a surface, because there are more of them AND they have a larger surface to volume ratio which means they have more surface area contact. For a long time, one “insider trick” was to use a good diesel oil, like Delo 15-40, which had great anti-scuff properties, even for our gasoline engines. Air-cooled engines, in particular, place a lot of stress on the oil in hot weather and stop-start traffic conditions. Lucas Semi-Synthetic SAE 10W-40 ATV Engine Oil is a long lasting oil that stands up to the high temperatures of slow moving hard-working air cooled engines. Additional benefits include longer oil life and easier starting in all weather environments. Using synthetic oil does not protect against either of these problems, which is why you CANNOT go further between oil changes when running a synthetic. On average, when synthetic oil is run in an air-cooled VW engine, head temperatures stay the same, but engine oil temps reduce by anywhere from 10 to 15 degrees. This specially engineered mot… The word "Volkswagen" and "VW" are registered trademarks and copyrights of VWoA. Founded … Also, the VW air-cooled engine runs very hot in oil temperature when compared to a conventional water cooled engine and therefore the oil actually gets burnt and loses its lubrication properties and additives quicker and this is why the oil … The better lubricating properties of synthetic in general will lead to a longer engine life as well. At ACN we try to keep abreast of what people at the ground level (that’s you) are experiencing, with all sorts of products. Performance VW Air-cooled 10w40 Semi-synthetic Motor Oil. Like was said earlier, it is just a man-made base stock, that is uniform and smaller in molecule size than dino oil. You have to keep up with these changes, or you can pay a serious price. AMSOIL Synthetic Small-Engine Oil is multifunctional and can be used in gasoline engines, off-road diesel engines and certain transmissions. 1. Every time a ball surface contacts the floor surface, the ball absorbs heat from the floor. Aircooled.Net is not affiliated with Volkswagen AG or Volkswagen of America, Inc. or any of its subsidiaries. Keep that thought on the back burner for now…. Myth #2 is that synthetic oil causes oil leaks. 7/13/14 IMPORTANT UPDATE! There are 7 main additives which include anti-foaming agents, anti-corrosion, etc, etc. Base stock is refined mineral oil that contains no additives. Oil change intervals range from 1000-3000 miles in the VW engine with a strainer (not a filter). Below we will discus two reasons why you should use small engine oil in small air cooled engines. A man-made “Base Stock”, where all the molecules are the same size, and smaller than those in dino oil. 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