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On 9 Apr 2002, at 9:11, Drake . wrote: > Are there negative effects from having the flaps full open all the > time...keeping in mind that this car is in San Jose, Ca. not exactly the > great white north so engine warm up isnt going to be a problem. If you hadn't tied the flaps open the engine would probably not have lasted a year. With the flaps tied open in southern CA I would think that it would last 5 years. With the proper thermostat, etc, it should last 10-15 years. The engine is designed to run a temp such that the exhaust air is at 165F. This means that there will be internal engine parts that want to be much hotter than this. This is pretty hot, so even in warm climates the warmup period will be longer. Since most wear occurs during warmup, prolonged warmup means more wear. If you have FI, then the cyl head temp sensor will sense that the head is cool and it will richen the mixture. This leads to even more wear. - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org