All Things Mk5 > Performance Modifications

Suspension and Drivetrain Advice Required Please

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RagingKileak:
Hello all,

As some of you might know, I now own Hurdy's old Edition 30, which I am currently returning to its former glory in terms of a comprehensive mods list. With that in mind, I've been reading for several days now about the various MK5 Suspension and Drivetrain Options available to me.

The car is back to Stage 2+ with a few other bits and pieces on top, including R32 brakes at the front and some of the safety/durability bits and pieces which I have forgotten, that were reccomended to me by John or elsewhere.

So, suspension/drivetrain wise...

The car still has Hurdy's LSD which would have been my first mod, as well as some Toyo R1R's which have loads of tread left having been garaged over winter. That's the first bit out of the way.

Next, I've considered suspension offerings in the form of Coilovers from KW and Eibach (I had a slammed M3 on Eibach Pro-Street in the past) but decided I would be unlikely to benefit from Coilovers, as I would never adjust them. Hence, I've decided that the Bilstein B12 kit MIGHT be best for me.... Again, in the BMW community, I have heard and had a lot of good experiences with PSS kits in particular (though again they are adjustable whilst I understand the B12 is not.)

I'm also looking into the WALK which I understand is essential and perhaps even an ARB upgrade.

Next question then, is which ARB and which brand? I was thinking a rear ARB uprade on it's own would suit me. I find the car understeers quite dramatically, especially compared to BMW's lol. I'd like to address that a little by bringing some neutrality, so can anyone confirm if a rear ARB will achieve that? If so, which brands would you reccomend as a good cost/quality balance?

So, would I find it beneficial to fit the WALK, ARB and B12 kit all at once? I expect labour would be less, but is it too much in one go?

Also, is there anything else I should/would benefit from doing at the same time.... Engine mounts etc?

Considering it is a Stage 2+ car, I don't want to leave anything undone that would offer a massive benefit. I love the sledgehammer of power that the car delivers, but the understeer is proving painful for me, whilst the generally crashy yet rolly nature of the suspension means I am never quite at ease.

I'd also like to hope that the WALK and everything else combined will help me to be more progressive (read, rapid) as I accelerate through corners.

Thanks for reading and any help in advance.

Regards
Matt

MAT ED30:
what parts did John leave on the car other than LSD? it might still have good arbs and walk kit fitted to it

RagingKileak:

--- Quote from: MAT ED30 on February 01, 2011, 10:29:39 am ---what parts did John leave on the car other than LSD? it might still have good arbs and walk kit fitted to it

--- End quote ---

Nah, doesn't look like it mate. I had a good chat with John and he reckons it all came off (except a dog bone exhaust mount which he forgot about and a Forge thing which I can't remember the name of that was buried deep in the engine.) I've also been under the car and I don't think there is anything else there... The garage which took it back to standard also do all the work I have had done and they reckon it was back to near-as-damnit stock before I modded it.

I hope not anyway, because there is a lot of room for improvement.

Regards
Matt

Poppa Dom:
IIRC that's the Forge actuator that John has on there - a real sod to get in to change back to stock, hence why it was left on there. Am pleased with H&R arbs on mine, I know SteveP had these on his too. Have you consider TT lowers arms too?

RagingKileak:
It is the Forge Actuator mate.

Then the other thing is something I bought off John a couple of weeks ago. It sits right at the front of the engine bay and does something a bit like a catch can I think.... Anyway, that's of no importance to suspension!!

H&R were definitely on my list - what effect have they had on feel and handling? How much did they set you back mate, if you don't mind me asking?

TT arms I've NOT considered, but I have read about. What's the benefit of those? I'll do it all at once if it's worth doing TBH.

Regards
Matt

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