Date: Tue, 07 May 2002 18:42:16 +0100
From: Paul Halliday <>
Subject: Re: [WAS: Turbo Dump Valve] NOW: Possible Performance Increases

in article ab8nlq$4qq$, KeithG at wrote on 07/05/2002 15:14: > 'tis true I did not catch that it was an 8V. I am too used to what we get > here and the last year of the US 8VT was '84. My '84 did not have a recirc > valve (or an intercooler for that matter). On the CIS injection, doesn't it > rely on the flow of air across a flap to regulate fuel injected? If so, it > would be a similar deal with excess fuel during a dropped throttle event. > What sort of boost pressure are you running? The Bosch valve is not too bad > as long as you are not running greater than stock 16V boost levels. If you > are looking to increase performance, there may be a better start point than > a atmospheric dump valve, unless you really just want the noise maker > factor. > > KeithG Sorry, I didn't make it clear that it is an 8V. In the UK, the C900 Turbo is an 8V - the 16V'ers are usually called 900 Turbo 16V. I'm not *that* fussed about a performance increase. I'm very happy with the boost curve and the delivered power. I have actually had the boost turned down due to an over-boost problem. I presume that with a more more responsive dump valve the boost can be upped again? The noise factor is kewl - I can pfwooosh like the Escort RS Turbo nuttaz :) Nah, not that bothered - I'm more keen on prolonging the life of the turbocharger and the car generally. The 155HP is good enough for me - it makes a nice motorway cruiser, which is why I bought it. Out of interest, what can be done to increase performance? Thanks, Paul

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