Is there a power difference between a 4 bolt vs 5 bolt hotside?

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Jan 18, 2008 | 07:15 AM

#16

robertrinaustin

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From: Work - New York, Alaska, Mexico or the Caribbean. -Home - Tx Hill Country

Quote:

Originally Posted by sparky

Not one to argue with success, however, I am having a tough time comprehending the effectiveness of your postulated, post-turbine housing wastegate location. But, of course my conceptual powers are probably hobbled by the fact that I am thinking in terms of a stock-like turbo setup as well as the effects of this drat 7.9% brew.

Think of it this way. With the stock turbo, a flapper in the housing controls by-pass. With the AMS design, you remove the flapper and replace it with a waste gate a couple inches further down stream to control by-pass.