Removing Dump Valve

S2Steve · 20-09-2009, 12:05 PM

My new RS has a dump valve fitted, I think it may be causing some un-smooth running so want to try the blanking plug out instead. But what do I do with all the pipes? Theres numerous going from place to place, two end up in the bulkhead, I am running a boost gauge too if that helps? Here's a picture.

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Mark RS · 20-09-2009, 12:25 PM

take your dump valve out block the hole,take the vacum pipe of that goes to the dump valve do away with the t piece,and use a straight connector.

miller3 · 20-09-2009, 12:33 PM

Do you have a blanking plug Steve?

S2Steve · 20-09-2009, 01:23 PM

I do yep, he gave me one with the car. DO you think the d-valve could be causing the car to stutter at certain revs and generally take some smoothness away from the drive?

miller3 · 20-09-2009, 01:26 PM

It could be leaking! and it would only take 5 mins to take it off and check pal

Herbo747 · 20-09-2009, 01:28 PM

I think what could be best is getting the fuelling set up first on the metering unit. See if that helps first. To remove dump valve, take it blank hole and remove pipe to dump valve, replace t-piece with straight connector, i am guessing pipe to bulk head might go to your boost gague by any chance?

miller3 · 20-09-2009, 01:33 PM

is there two t-piece's on that pipe Steve?

S2Steve · 20-09-2009, 02:13 PM

There is, one by the rocker cover in the picture and one at the back by the red sticker.

S2Steve · 21-09-2009, 04:44 PM

I took it off and replaced the T with a straight connector. Worked fine. It feels slightly smoother but it still holds back between 2-3k. I'm presuming its underfuelling. I'm going to go to NMS or Noble to get it set on the metering unit and a full setup done. Just hope it survives until then!

S2Steve · 21-09-2009, 05:56 PM

So I put it back on anyway, then it really was running rough! Took it back off again and it was OK but for a short while ran a bit crappy, could it just have been slightly flooded for a time?

Herbo747 · 21-09-2009, 09:12 PM

Mate i stand by what i said before hand, get the fuelling set up, when i not long had mine i had mine set up and the difference was awesome. really smooth, i think it just needs a good set up. forget the dump valve!

S2Steve · 21-09-2009, 10:37 PM

I know, but I cant get it to NMS untill 2 weeks thursday!!!

20-09-2009, 12:25 PM	#2
Mark RS Advanced PassionFord User Garage is empty, add now Trader Score: (10) Join Date: Jul 2005 Location: Bangor, Northern Ireland Posts: 1,753 Rep Power: 8	take your dump valve out block the hole,take the vacum pipe of that goes to the dump valve do away with the t piece,and use a straight connector. __________________ Thanks Mark NORRIS MOTORSPORT 01773836274 Last edited by Mark RS; 20-09-2009 at 12:26 PM.

20-09-2009, 12:33 PM	#3
miller3 PassionFord Post Whore!! 1990 Ford saphire cosworth Trader Score: (4) Join Date: Nov 2006 Location: rainham/kent Posts: 8,112 Rep Power: 14	Do you have a blanking plug Steve? __________________ www.mattlewismotorsportonline.co.uk NEW ONLINE SHOP http://www.passionford.com/forum/showthread.php?p=3849679#post3849679 Ronnie amis, sponsored by MOTORSPORT DEVELOPMENTS. Doug miller, sponsored by PUKKA PIES

20-09-2009, 01:23 PM	#4
S2Steve PassionFord Regular Garage is empty, add now Trader Score: (0) Join Date: Oct 2007 Location: Staffordshire Posts: 439 Rep Power: 5	I do yep, he gave me one with the car. DO you think the d-valve could be causing the car to stutter at certain revs and generally take some smoothness away from the drive? __________________

20-09-2009, 01:26 PM	#5
miller3 PassionFord Post Whore!! 1990 Ford saphire cosworth Trader Score: (4) Join Date: Nov 2006 Location: rainham/kent Posts: 8,112 Rep Power: 14	It could be leaking! and it would only take 5 mins to take it off and check pal __________________ www.mattlewismotorsportonline.co.uk NEW ONLINE SHOP http://www.passionford.com/forum/showthread.php?p=3849679#post3849679 Ronnie amis, sponsored by MOTORSPORT DEVELOPMENTS. Doug miller, sponsored by PUKKA PIES

20-09-2009, 01:33 PM	#7
miller3 PassionFord Post Whore!! 1990 Ford saphire cosworth Trader Score: (4) Join Date: Nov 2006 Location: rainham/kent Posts: 8,112 Rep Power: 14	is there two t-piece's on that pipe Steve? __________________ www.mattlewismotorsportonline.co.uk NEW ONLINE SHOP http://www.passionford.com/forum/showthread.php?p=3849679#post3849679 Ronnie amis, sponsored by MOTORSPORT DEVELOPMENTS. Doug miller, sponsored by PUKKA PIES

20-09-2009, 01:28 PM	#6
Herbo747 Part of the Furniture Garage is empty, add now Trader Score: (0) Join Date: Jan 2009 Location: Leicester Posts: 163 Rep Power: 4	I think what could be best is getting the fuelling set up first on the metering unit. See if that helps first. To remove dump valve, take it blank hole and remove pipe to dump valve, replace t-piece with straight connector, i am guessing pipe to bulk head might go to your boost gague by any chance?

20-09-2009, 02:13 PM	#8
S2Steve PassionFord Regular Garage is empty, add now Trader Score: (0) Join Date: Oct 2007 Location: Staffordshire Posts: 439 Rep Power: 5	There is, one by the rocker cover in the picture and one at the back by the red sticker. __________________

21-09-2009, 04:44 PM	#9
S2Steve PassionFord Regular Garage is empty, add now Trader Score: (0) Join Date: Oct 2007 Location: Staffordshire Posts: 439 Rep Power: 5	I took it off and replaced the T with a straight connector. Worked fine. It feels slightly smoother but it still holds back between 2-3k. I'm presuming its underfuelling. I'm going to go to NMS or Noble to get it set on the metering unit and a full setup done. Just hope it survives until then! __________________

21-09-2009, 05:56 PM	#10
S2Steve PassionFord Regular Garage is empty, add now Trader Score: (0) Join Date: Oct 2007 Location: Staffordshire Posts: 439 Rep Power: 5	So I put it back on anyway, then it really was running rough! Took it back off again and it was OK but for a short while ran a bit crappy, could it just have been slightly flooded for a time? __________________

21-09-2009, 09:12 PM	#11
Herbo747 Part of the Furniture Garage is empty, add now Trader Score: (0) Join Date: Jan 2009 Location: Leicester Posts: 163 Rep Power: 4	Mate i stand by what i said before hand, get the fuelling set up, when i not long had mine i had mine set up and the difference was awesome. really smooth, i think it just needs a good set up. forget the dump valve!

21-09-2009, 10:37 PM	#12
S2Steve PassionFord Regular Garage is empty, add now Trader Score: (0) Join Date: Oct 2007 Location: Staffordshire Posts: 439 Rep Power: 5	I know, but I cant get it to NMS untill 2 weeks thursday!!! __________________

21-09-2009, 10:37 PM
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