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Old 04-06-2012, 03:18 PM   #29
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Join Date: Mar 2006
Location: Southern California
Posts: 23,847
My Ride: M54B30
Originally Posted by ImolaSix View Post
Great write up Mango! Should definitely be stickied.

Btw there's a reason the cap is set for 200 kpa. Water under pressure will have a higher boiling point than water at normal atmospheric pressure. If you switch to a 140 kpa cap then you are lowering the efficiency of your cooling system.
Thanks! I hope it does. And re: the cap. Thats what I kind of figured. I figured the stock expansion tank cap was designed/specced for its intended usage. Just as the E30 was.
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