Forum:
i have a fourtrack on a 'k' plate.
im realy keen on finding out if anyone has ever fitted a dump valve to the turbo of the 2.8 diesel.
if anyone has any ideas, pics, website, companies or even dumpvalves for sale pls reply.
cheers
(pics commin soon)
Dump valves
Dont think dump valves really work on a diesel, they are meant for petrol engines.... I think !!
I'm intrigued !, what are you
I'm intrigued !, what are you thinking of using your 'Trak for ?, drag racing or sprinting. I thought the dump valve was to keep turbo revs up while gear changing The poor old Fourtrak is hardly a fire breathing monsta
specialist subject!
i had a derv dump valve on my rover mk3 220 SDi, there is no actuall benefits for a diesel other than that lady attracting sound ..in fact i found that i had more lag, as all excess boost was lost upon gear change. the main differance between petrol and diesel dump valves is that most dervs run higher boost levels (rover was at 19PSI!)so your average dump valve will creep open under high load. there is also a need to fit a switch and a vacuum servo, as there is no vacum pipes on the derv.
dump valves are available, but come at a price! looking around £300 fitted!
TBH i wouldnt consider it a great idea, as the nature of the dump valve means that water, dirt, dust and general crap has a way in to the induction pipes, not good.
more inspiration can be found on:
http://www.diesel-inside.com (lots o tning info too)
http://www.dervdoctor.co.uk
the latter been a supplier of dump valves.
[email protected]
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They are pointless, personall
They are pointless, personally I wouldnt bother a daft noise and no performance gain, that said thay are easy to fit and you can pick most of the parts up at a breakers yard, as the ones advertised on ebay etc the "ECU" housed in that aluminium/plasic box is just an egr solinoid off a MK3 Golf TDI.
That said I am producing a fiting guide for diesel dump vavles on my website.
[Oo=w=oO]91 Golf GTD (Oo=w=oO)05 Polo 1.4 16v
My Website
response
right to be perfectly honest there is no point fitting a dump valve on a deisel unless its a recirculating dump valve you want the turbo spinning as much as possible with a recirculating dump valve it routes excess boost pressure back through the turbo which then keeps the the turbo spinning which is good when changing gear witha non recirculating dump valve it just dumps all the excess boost pressure to atmosphere which the the turbo will start to slow down down during gear change. but if you really want to fit a dump valve then go to some sort of tuning 306 diesel website they tell you bout tuning the pump aswell as fitting a dump valve n its not a fakedump valve either it works off the vacum of the turbo but with a added sensor im sorry but i cant remember the web address have alook around the puegeot diesel tuning sites you will find alot that you will probably be interested in!!
dump valve
i konw someone who has a dump valve on a land rover 90 it does give more power and since hes dun it goes beter off road
the bug is alive... it grows within you, slowly takes over your mind, you become a 4x4 addict, live and breathe the mud
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about my dump valve
well then, thanks for all the replies guys.
i wont be considering a dump valve now, will be finding sommin else to invest cash in, cheers for the info on why its not worth it cos i now have more usefull ideas to put the cash into,
pics commin soon,
dump valves
im trying to fit one but am trying to find out info on which 1 to fit
K.Robinson
K.Robinson
pictures of fitting a dump valve to a fourtrak
my son wants me to fit an old dump valve on our scuffler, he wants the noise, i know they dont do a lot performance wise but itll keep him happy when we are thrashing our truck. anybody got any pictures of where & how, can i just drop in the connector t-peice on the pipe from turbo to intercooler??
Little Tank 2 - TDX Fourtrak
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