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[QUOTE="Charles, post: 1014932, member: 103"] If a blower was the key to a smoke free, efficient 300hp diesel then you would see it happening on cummins, cat, deere, yanmar, international and the rest daily. When I'm pissing exhaust energy out the tailpipe to the tune of say 30% of my total fuel BTU, I'm not at all interested in using my crankshaft to pressurize my intake air when a turbine can snag some of that waste energy that's already leaving. Which is exactly why the above mentioned companies don't do it. I think the most successful turbo/blower engine I know of in the realm we're talking about here was a pair of chargers ahead of a blower on a duramax. Every single time a blower was put ahead of a turbo dyno sheets, track times nor anything else ever showed anything unless I missed it, which I may have. If the blower goes second, the engine displacement simply becomes that of the blower. The turbo can then jump on boost like nobody's business, and a centrifugal can't get in the way like a positive displacement unit. What OEM runs blower into turbo? Serious question. [/QUOTE]
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