Dump valve question (non-Saab, forgive the intrusion) - Saab Performance Bulletin Board - Saabnet.com
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Dump valve question (non-Saab, forgive the intrusion)
Posted by Josh (more from Josh) on Tue, 23 Oct 2001 04:38:20
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Wanted to ask here as there seems to be more turbo knowledge on this board than on the modern Volvo ones. I have a '99 V40 turbo, the UK-spec 160bhp model. The car has a Mitsu turbo with integral dump valve. This is connected to the inlet manifold by a long (at least 2 feet) hose. It would be easy to cut out at least 25% of this length.
My question is, would shortening this hose improve throttle response by shutting the dump valve earlier when the throttle's opened (because the manifold vacuum operating the valve is destroyed quicker), or would it make it more likely to *open* the dump valve?
Any thoughts / opinions welcomed. Thanks.
posted by 195.102.20...
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