jobo Posted October 30, 2009 Share Posted October 30, 2009 i have a problem with my dump valve since fitting some new parts, it doesnt dump fully you get a small amount of dump but not alot and along with that you get a boost spike up to 0.9 to 1 bar and chatters also.here is the spec:front mount intercoolerairfilter relocationj's manifold and decathks actuatorblitz ss bump valvestd exhaust(waiting on new one)the boost is currently set for 0.8 bar maybe to close to fuel cut, i have tryed to clean the dump valve vac hose at both ends and lubed up the inner part of the valve i have checked all the intercooler pipework for leaks and still nothing, i have also tryed to bring the boost down a bit so that it isnt as close to the fuel cut but it still does the same thing. any one know what it could be or other things for me to try? Quote Link to post Share on other sites
WallaceGlanza Posted October 30, 2009 Share Posted October 30, 2009 The size of the hole that the dump valve attaches to on the intercooler pipework could be too small and not letting enough air out so it can't dump properly, I had that with mine. Quote Link to post Share on other sites
glanza_gemz Posted October 30, 2009 Share Posted October 30, 2009 The size of the hole that the dump valve attaches to on the intercooler pipework could be too small and not letting enough air out so it can't dump properly, I had that with mine.we used the pipework for the DV that was already on it! we shall try another part of pipe Gemz x Quote Link to post Share on other sites
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