Should I fit a g revision DV.

[56OctyVRS]

I have a D revision DV fitted and was wondering if i would be better fitting a G revision DV. I know VW are remaking these again. I have seached the forum and there are differing views on both. Has anyone on here done what I am thinking of doing?

[GarethB]

I've changed from a D to a G recently as I was impressed with Nick's (Rtech) tests regarding leaking.

Can't say that i've noticed a real difference when driving - it's not like replacing a torn DV with a new one. I think i've noticed a slight difference, but it could be placebo, decent tank of fuel, cooler day etc.....

[GrayMK5GTI]

I've got my "G" in the shed and may give it a go, I'm sure I can hear a bit of a hiss on WOT with my "D"  no loss of power though!

Gray

[Nodz]

I've got my "G" in the shed and may give it a go, I'm sure I can hear a bit of a hiss on WOT with my "D"  no loss of power though!

Gray

I must admit with my D I occasionally here it WOT and sometimes on gear change but its every so often so I'm going to keep my D on until it happens all the time and get a G as its cheaper

[Lone_Par]

I just changed mine last week - was nothing wrong with the d but I wasn't sure if it had ever been changed and the car is 5 years old. The G feels more responsive, car holding boost longer and even the mpg has improved.


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[brough74]

Blantant plug here as ive one for sale on ebay if its the type your after

http://www.ebay.co.uk/itm/Audi-S3-Golf-GTI-MK5-recirculating-valve-dump-valve-Rev-G-/140793720469?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item20c7f5ae95

[Statller-Stevo]

I have a D revision DV fitted and was wondering if i would be better fitting a G revision DV. I know VW are remaking these again. I have seached the forum and there are differing views on both. Has anyone on here done what I am thinking of doing?

D is piston type all the 09 on K04 motors have these as standard, G is back to a rubber diaphragm ( it is actually the older revised 2nd generation K04 DV before VAG went to D
I would imagine the D's are not intended to be fitted into the hot K03 turbo as the plastic might not be happy after a while in the hot enviorment (even though its fitted to the cold side of the blower) this is prob why they don't do the D's even on brand new MK6 GTi's they have the G fitted

Wow sounds confusing !!   

[Richn83]

I've had a d revision on for the last year and a half, wasn't unhappy with the d, when I serviced on the weekend I changed back to my original can't remember the version but original green diaphragm type.  I have to say that the cars picks up boost much quicker than with d and peak boost on the polar was 700 with the d and now occasionally see 900-1000 mb.

My personal opinion is diaphragm is best at least on k03 or should I say my k03!  

Stevo the d on my k03 showed no sign of melted plastic.

[JMP]

Im changing my D tomorrow for a G. I logged today my N75 duty cycle a few times and Im not sure if something is sticking or wtf, because time to time my N75 duty cycle doesnt drop below 90% at all during a 3rd gear pull. But I did also have a really nice 60-70% range results from a 4th gear pull, so its not consistent which is not good at all for error hunting.. Either way, I want to try a new one if it fixes my problem. Maybe I should start a new thread, but since this is close enough.. Does anyone elses DV rev D had problems like this? Could it be something else?  

[RedRobin]

^^^^
Phew! I'm now confused but am kinda glad I have a Forge DV.

[MC71]

I have a D revision DV fitted and was wondering if i would be better fitting a G revision DV. I know VW are remaking these again. I have seached the forum and there are differing views on both. Has anyone on here done what I am thinking of doing?

D is piston type all the 09 on K04 motors have these as standard, G is back to a rubber diaphragm ( it is actually the older revised 2nd generation K04 DV before VAG went to D
I would imagine the D's are not intended to be fitted into the hot K03 turbo as the plastic might not be happy after a while in the hot enviorment (even though its fitted to the cold side of the blower) this is prob why they don't do the D's even on brand new MK6 GTi's they have the G fitted

Wow sounds confusing !!  

What do you suggest for a 08 ED30 then? Mine had/has a G, changed it to a D a couple of months ago with no difference so was going to change back to the G after being told by the main dealer exactly what you just said. Surely if VW are happy with the G in the Mk6 then it sholud be better on a k04?

 

[RedRobin]

Surely if VW are happy with the G in the Mk6 then it should be better on a k04?

 

....Yes if your car is still standard. But best not to take VW's word as gospel if your car is remapped.

[Statller-Stevo]

I've had a d revision on for the last year and a half, wasn't unhappy with the d, when I serviced on the weekend I changed back to my original can't remember the version but original green diaphragm type.  I have to say that the cars picks up boost much quicker than with d and peak boost on the polar was 700 with the d and now occasionally see 900-1000 mb.

My personal opinion is diaphragm is best at least on k03 or should I say my k03!  

Stevo the d on my k03 showed no sign of melted plastic.

I've never fitted a D to a K03 so can't really say, maybe the D won't seal in the K03's housing properly ?? I'd have to play about a bit to see why your having the issues, I would imagine its as simple as that.
Maybe the requested boost can't be made with a D as they leak due to poor sealing on the K03 housing ..

[56OctyVRS]

I think I will fit the G revision and see how I go. I get a whistle every now and again from the DV when under load so I am sure it is allowing boost to leak passed.

[Statller-Stevo]

^^^^
Phew! I'm now confused but am kinda glad I have a Forge DV.

 No disrespect but I have some real bolloxxx with Forge DV's leaking.