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copbait73 copbait73 is offline
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Join Date: Nov 2003
Location: Chesterfield IN
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The more power (exhaust flow) that goes through the turbine and not the wastegate the more efficient the match. This comes out as reduced backpressure. What is left not knowing is what is the turbine housing A/R (or area) of the "K29 hot side" being used.
As long as the compressor can provide adequate airflow at good efficiency throughout the engine rev range it is acceptable. Turbo framesize is usually defined by the turbine wheel size (and supporting bearing system). It's typical that the largest compressor of say the model K27 turbocharger framesize, is the smallest compressor option of the larger framesize, in this case the K29.
Old 03-21-2010, 06:24 AM
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