All Things Mk5 > Performance Modifications

To stage 2 or 2+ or not at all? Persuade me

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Jgavin1:
I’ve got money put aside for the clutch as I know it’s probably due in the next couple K anyway. Just an update I went and got a custom stage 1 written so the torque figure should be just under 300lbft to keep it safe.

The clutch seems absolutely fine, no slip on a hill in 4th at 3000k rpm flat out so that’s good 😁 one thing I did notice though it seems as though there is a slight millisecond hesitation in the power and I can hear the diverter valve making a kinda ts ts ts noise as if it’s passing ever so slightly.

It would seem that the DV would need replaced yeah ? The revs aren’t shooting up so safe to assume it’s not the clutch at this stage.

Dan_FR:
Its not the DV mate its a common side effect of the K04 turbo, its hitting the surge point. The only thing you can do to avoid this is to have the map adjusted to reduce boost during the 3-3.7k RPM range where it occurs... Or quite simply learn to drive around it as most do

If you look after the clutch and dont load it up at low RPM in high gears it'll cope absolutely fine with 300lbft

Jgavin1:
Ah right that makes sense! I’ll give the tuner a call to see if they can do something with it. Will driving hard at the point where it is surging cause any damage to the engine/turbo?

patpong_pete:
i am stage 1 and feel its quick
got bits might go 2+ dont drive it daily so milage not a problem
if i do go for it and its not wright then sell of bits and leave downpipe and go stage 1.5
best of both
i see alot of people go 2+ after want to sell
and stage 1 sell better or even back to stock

Jgavin1:
Just been out again with a fresh batch of 99 fuel and the clutch is slipping a bit 😂 it was mapped with Morrison’s cheap rubbish in there so I think the good fuels just pushed it over the edge. I’ve spoke to the tuner and he’s happy to turn it down a notch which should help with the turbo surge and hopefully the clutch holds up. If not it’s new clutch time!

I’ve saw a compete helix kit for £810 on aks tuning which I’ll probably go for. Does anyone know what it should cost labour wise to change one ?

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