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Interesting, but
Posted by Quasimotor (more from Quasimotor) on Sat, 5 Jan 2002 21:46:07
In Reply to: Hooter valve opening pressure, AIC, Tapani, Sat, 5 Jan 2002 06:57:49
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no, I don't think that has anything to do with mileage. At partial throttle, the engine doesn't need a lot of air, and the freewheeling turbo isn't going to offer appreciable resistance for what little it needs. Any restriction would only come into effect at full throttle, when it's really gulping, and at full throttle the charge effect is overcoming the resistance (there's a trade-off at full throttle, and I'm sure that's where turbo designers earn their money).
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