All Things Mk5 > Performance Modifications

TT lower arms and geometry changes

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fuscobal:
I'll keep that in mind and will play with the hardness soon !

Carrera2RS:
I actually think the PSS10 for the Golf is quite heavily damped. settling at 3F, 4R sounds soft, but the rear at 5 is heavily enough damped on rebound that the back of the car will 'land' on the ground before the suspension has the chance to recover from compression.

It's also interesting that BSH advise fitting the 27mm bar alone as a method to reduce stock GTi understeer.

I may well be very wrong but my guess is that soft/worn rear bushing with perhaps low rear toe figures are possibly the cause. I keep thinking about increasing the roll bars to full hard with 26/27 and I simply see no reason why the balance would be that bad in comparison to my car. 25 hard rear, 25 front soft, 3f, 4R, stock toe rear, parallel front 1.5 deg camber rear and 2 front.....

I take other points of view but would check alignment and rear toe ?

Carrera2RS:
Here you go......

I tried full hard all round, better feel and weigt and turn in, but chassis balance to forward. It feels very safe and grippy but it's just how much and when it will push wide.

Added a tad more front camber (10-15 mins) and now 5 min toe out and back to soft front ARB.  :happy2: :happy2: :happy2:

Now very happy indeed. Better feel than before with soft ARB, feels very balanced and just as neutral mid corner better turn in and accuracy. Not fidgety in my book with 2 deg 10 mins of front camber and 5 mins toe out, feels nice and less blunt and dull. Nice steering weight and feel.

Not sure if the ultimate grip is any better (certainly no worse) than the settings last time round, but the feel is better and precision improved.

fuscobal:
Carrera, best way would be to have a track nearby and test the stiffness settings on PSS10. I'm afraid that we as drivers can be fooled into thinking certain settings are faster while they may not be in reality. We are not professional racing drivers and don't have the experience to say a car is or is not faster just by the feel. For this we'd need a track and access to a ramp nearby where we can play with Suspension, ARBs and geometry !

the bruce:
Yes, it's very easy to get fooled by your self.  :wink:

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