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+--- Thread: Dump Valve for HDI (/showthread.php?tid=103)
Dump Valve for HDI - HDIkyle - 05-12-2011
Looking to get another dumpvalve for the HDI this time. Yes i know, there pointless bla bla but there just cool end off.
Is it the same setup as the Dturbo?
Dumpvalve, T-peice into airline and a microswitch and EGR valve?
Re: Dump Valve for HDI - Dum-Dum - 05-12-2011
The same bar the t-peice yes. youll need a 25mm pipe welded on the inlet elbow as theres no round hoses to cut to fit the t-peice (unless you have a FMIC)
Also you might need a resovior in the vac line as the HDi vac pump isnt as strong as the TD one
Re: Dump Valve for HDI - HDIkyle - 06-12-2011
Cheers i know about the elbow i used to have one and i got rid, typical so will get it done with a boost gauge takeoff.
Not heard about a resovior before tho. What does that intail?
Re: Dump Valve for HDI - Jake - 06-12-2011
Is it right that you can only use the twin piston ones ? .. Think dec had a problem with his because it was a single piston DV ?
Re: Dump Valve for HDI - Dum-Dum - 06-12-2011
You can use a single piston but it will cause an air leak on idle, tbh not much of an issue, no worse than a dodgy maf sensor.
For a resovior use a very small plastic fuel filter (with the filter removed) in the vaccume line just before the solenoid. Means the vaccume works a little quicker and you get better dumps
Re: Dump Valve for HDI - liam doidge - 06-12-2011
i thought they helped with lag changing gear? if not i wont bother getting one
Re: Dump Valve for HDI - Poodle - 06-12-2011
That's right, they help create lag when changing gear. Why you'd want that though... :roll: