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I just read an article on this question in the Gene Berg catalog. He states that there is an decrease in engine life between 13 to 19% by removing the cooling flaps. When the motor is receiving its full cooling potential during warm up the motor cannot heat up at the same rate from the case to the cylinder heads, causing cracked heads, misadjusted valves and cylinders and pistons heating up unevenly causing ring and cylinder wear. He also states that the longer the engine runs cool the more wear and tear there is on the bearings. Also the air control flaps act as air directors forcing the air across the oil cooler at just the right direction so the air flows over it and on to the cylinders at maximum efficient. what i have learned is that vw engineers were a lot smarted than me and most anything that i do to the engine that was not stock is going to sacrifice longevity and quality. Vw did not just slap things together and hope for the best. They spend years researching and developing little things like how to build an efficient cooling system. Don't get me wrong...if you want to go to the darkside, do anything you want but if you want a dependable car such as you, stick to getting the stock components working as they should and you will be happy. Just speaking from experience. And the above views are just my opinions based on my research. peace, jesse 71 fi squareback --------------- Question- Wouldn't it just make sense to leave the flaps wide open and let the air blow through all the time as hard as possible? ------------------------------------------------------------------- Unsubscribe? mailto:type3-request@vwtype3.org, Subject: unsubscribe