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boost
Posted by Richard Miller (more from Richard Miller) on Fri, 1 Jun 2001 16:16:47
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I see a lot of comments about how too much boost is damaging engines. This is somewhat in error. The normal bmep within an engine is several hundred pounds. Therefore, it stands to reason that an extra 10 or 20 pounds isin't going to hurt anything. What the extra boost does, is put extra oxygen into the cylinder. More oxygen without more fuel equates to a lean running condition which causes too much internal heat and detonation. This causes several thousand pounds of pressure which is really bad. Fuel and air both have to be increased. At the point the internal pressures get too high, it is usually the head gasket that fails, not the bearings.
Richard M
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- boost, Richard Miller, Fri, 1 Jun 2001 16:16:47 <-- Viewing This Message
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