Other air cooled engines, work best on 10W30 or SAE30HD, SAE30 is preferred by most all technicians. Oil change intervals depend on the engine for me.
Beside that, why do air cooled engines overheat?
There are two main reasons why an air cooled motorcycle engine overheats. The first main reason is probably due to the engine working way too hard and the rev is too high. During a high rev, the RPM's are increased so the friction that's happening inside the engine also increases.
At least, when did VW stop making air cooled engines? The air-cooled engine was the stuff of legend, powering the Porsche 911 and VW Beetle (the real Beetle, not the ersatz New Beetle) to enduring fame in automotive history. And then it was gone. The last 911 powered this way vanished after the 1998 model year, while the air-cooled Beetle soldiered on until 2003.
No less, how hot does an air cooled VW engine get?
For vehicles with air cooled engines, such as VW, oil temperature is in a safe operating range at 190-220 F under normal operating conditions and up to 260 F under heavy demand. Cylinder heads on air cooled engines can sustain temperatures in the range of 290 - 320 F.
Are VW air cooled engines reliable?
Re: Reliability of air cooled vw's? ( Still runs great!". That "reliability" attitude will KILL an air-cooled VW. BUT- they are ONLY reliable if they are maintained! If you take care of the regular maintenance items every 1,500-2000 miles (oil change, valve adjustment, points, etc...), then they'll go forever.
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Empi 5717 Distributor Drive Gear Puller Or Installer For Vw Air-cooled Engine
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Classic Air-cooled Vw Tool
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IAP Performance AC119563P Engine Tin (Black Rear , With Fresh Air; With Pre-Heat for VW Beetle)
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In essence, old Passat cars have an average lifespan of 6.4 years while the modern cars models have an engine lifespan of 10.5 years. That being said, I personally had a Passat that was around 22 years old.
Fifty years (1948 to 1998) of air-cooled technology and then Porsche's air-cooled engines were abruptly gone. People often ask why the Porsche air-cooled engine had to go. There are a few reasons, but the most relevant is based around emissions. More specifically, cold start and restart emissions.
Despite being originally made for Audi vehicles, the EA888 family is well regarded in the VW community. The the Generation 3 version of the 1.8L TSI takes the crown as the best VW engine on the market.