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As some of you may know, my day at Donnington yesterday was troubled by intermittent/lack of boost. There were a couple of reasons for this, the first being a split vacuum pipe (the braided one) and the second the Forge diverters.

It appears that I was running the earlier version of the diverters. The only way to tell is to take the diverter apart and check for a seal around the top of the thread (I wish I had taken pictures!!). The new valves have three seals, two for the piston, and one for the case itself; the 'old' ones have two seals for the piston, and no seal for the case.

The second problem was the spring inside the diverter. There are three types of spring - green, yellow, and red - Green is the weakest and red the strongest. I was running green springs.

The end result was that I drove straight to Revo and they swapped my 'old' DVs for the new ones which I fitted in combination with the red springs. I now have a set of each of the springs as the choice of spring is down to the driver, and I can change them if I am not happy.

The car is performing much better now.

Forge UK can be found at http://www.forgemotorsport.co.uk/ and contacted on +44 1452 380999.

Forge US can be found at http://www.forgemotorsport.com/ and contact details are at http://www.forgemotorsport.com/contact.asp.

AmD suggested that i do not fit the red springs as the boost being held for too long could split a hose

Which BTW is what happened yesterday to me anyway

And thanks to Wayside Audi who repaired it on the way home [img]images/graemlins/thumbs.gif[/img]

I thought you said you were running the yellow springs [img]images/graemlins/tongue.gif[/img] .

Was it the braided hose? What about the error code?

Post deleted by PhilT

wot post?

not it was one of the larger pieces of pipe from the turbos

It was me harping on about RS6 Dv in my S3 again, cant be arsed to retype it

I must have not pressed the post button or something

just said that there isn't much point in aftermarket DV's in my opinion

My RS6 Dv was 12 quid...
and looks like the original [img]images/graemlins/smile.gif[/img]

[img]images/graemlins/smile.gif[/img]

Dean you posted it in the Stratmosphere Post...

HERE

So now I am I hear there are four types of spring. Weakest to strongest, here they are:

Green
Yellow
Blue
Red

I'm led to believe that the red ones will cope with up to around 2 bar.

Forge just sent me this for those who want to check out the state of their DV

http://www.forgemotorsport.co.uk/valve_service.pdf