Quote:
Originally Posted by Halon
Just a boost actuated valve that blocks off one scroll of a divided turbo, effectively reducing the AR of it (which we all know increases spool) until boost kicks in and it opens up allowing both scrolls to flow when at full boost.
Id like to get one but they are expensive.
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It doesnt really reduce the A/R ratio does it? I thought it just blocked off a port and thus the gases get forced through the open port at a much greater speed.
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