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Haldex PP or MTM Controller?


Dan32
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Just been talking to Kim at QST (as was another R32 owner by phone - anyone here?) about the Haldex PP and he said he preferred the MTM controller which is switchable between permanent 50/50 front/rear power split and off i.e normal Haldex control. It is inline to Haldex as opposed to replacing original part. I like the idea of being able to switch it off (from dash mounted switch). He did say it locks the diffs up so the switching helps when manouvering as you can feel it when in 50/50 mode, making it harder to turn car while reversing. Anyone come across this option? Its £750 fitted so comparable to Haldex PP. How much power does HPP aportion to rear? Understood it to not change actual power distribution but the speed at which it happens. Reckons that you will feel difference immediately instead of at higher speeds needed to feel benefit of HPP.

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Vortex is off line at the minute, but one comment Dan:

> He did say it locks the diffs up

Not strictly true - it may lock the drive between the two diffs (I am going to call him later today to find out more about the MTM controller) but it definitely won't lock the diffs, which are independent from the propshaft and Haldex clutch. If the diffs were locked (which makes both wheels on the same axle run at exactly the same speed, along the lines of the diff lock on a Land Rover for going through heavy terrain) it would be totally undriveable.

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If anyone's interested, they are currently doing a group buy on the tt-forum for the Haldex, £556 instead of £700 fitted, at AmD in Bicester. Given that it's the same part for the R32 and the TT (I think) I'm sure they wouldn't mind you joining in the group buy to get the numbers up to 10. http://www.tt-forum.co.uk/ttforumbbs/viewtopic.php?t=56824

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The Haldex PPP is exactly the same unit for any 4WD VAG Group car - TT, S3, R32, V6 4Mo etc. 169144-ok.gif

If £556 fully fitted from AmD is including VAT, it's the bargain of the century. Cheapest place to get one is www.awesome-gti.co.uk at £499 + VAT (£586), then an hour's labour to get your VW specialist to fit it (it's only a 30 minute job to change it).

If the £556 is ex VAT (£653 inc VAT), you might want to source it via the web or mail order from someone like Awesome or www.bigboyztoys.co.uk and get it fitted locally and save yourself a trip to Bicester - although it is worth going to AmD if you've not been before to talk to them about some of the wild and wonderful things you can do to your car...

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If the diffs were locked...it would be totally undriveable.

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Oddly enough, thats what some of the feedback to the Vortex thread were saying. One guy said its like driving 4x4 with centre diff locked, which is only useful on snow/ice/gravel and that it felt like it just didn't want to turn. Kim at QST did say something similar but only when manouvering the car at low speed which is why its switchable. Another comment on Vortex was that with big BHP turbo cars, they found they broke a few parts with this system which doesn't fill me with much confidence for the long term durability on regular BHP cars. As you say, if the AMD price is inc VAT its worth trying to get involved with that group buy from TT Forum. I take it that the installation is exactly the same as TT and so would qualify for this deal?

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Just posted on TT Forum to see if we can get in on their Group Buy. They are saying £556.30 fitted which is £140 saving over AMD list price but would have to be fitted all on same day (10 people min required so would expect to be at AMD most of the day).

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Saw that bit about all fitting on same day - seems a bit strange, I presume they just want to make sure that they don't give the GB price to, say, 2 people, and then no-one else buys one! I'm sure as long as people pay up-front, or a deposit, then they won't have to all be done on the same day, otherwise people will be hanging round for hours.

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Saw that bit about all fitting on same day - seems a bit strange, I presume they just want to make sure that they don't give the GB price to, say, 2 people, and then no-one else buys one! I'm sure as long as people pay up-front, or a deposit, then they won't have to all be done on the same day, otherwise people will be hanging round for hours.

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That's exactly the problem they've had before, so any group buys have to be prepaid before fitting to benefit from the group discount.

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Kim at QST did say something similar but only when manouvering the car at low speed which is why its switchable. Another comment on Vortex was that with big BHP turbo cars, they found they broke a few parts with this system which doesn't fill me with much confidence for the long term durability on regular BHP cars.

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Then WTF is he doing recommending it then? crazy.gif

I would need to know that it has been tried and testing on one of his cars on a long term test before I even thought of going there.

Unfortunately QST have gained a bit of a bad reputation on TsN through various people's bad experiences with them. It's a shame because Kim Collins used to have a great reputation for building stupidly quick and reliable tuned Audis.

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Unfortunately QST have gained a bit of a bad reputation on TsN through various people's bad experiences with them.

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I didn't know that. Will have to do some searching on Audi TSN. Shame if this is the case because they are so local I can walk there! And they always have a lot of quick machinery to gawp at.

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That was definitely interesting reading. Oddly enough, whenever I go there and mention chipping my car he always says don't waste your money (as he did to a fellow R32 owner on the phone while I was having my tyres changed) as on the R32 the updated VW software (6463) is as good as any tuner's software and won't net any real gains for the £500 priveledge. Not quite the unscrupulous business practices mentioned in the other thread. Just shows how different people can get different service from the same co. but always nice to hear from another perspective for future decisions.

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You really don't want the front and rear locked together all the

time (especially on dry pavement) and switchable isn't all that

useful either because you'll find you'll need to keep it

switched off most of the time to avoid horrible handling,

abuse to the drivetrain, and poor gas mileage.

Go with the Haldex HPP. It is designed for the system, and it

works perfectly all the time. No controller can give this car a

rear bias (because power always goes through the front diff housing

first), but the Haldex HPP makes it about as good as it can be.

ian

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[ QUOTE ]

That was definitely interesting reading. Oddly enough, whenever I go there and mention chipping my car he always says don't waste your money (as he did to a fellow R32 owner on the phone while I was having my tyres changed) as on the R32 the updated VW software (6463) is as good as any tuner's software and won't net any real gains for the £500 priveledge. Not quite the unscrupulous business practices mentioned in the other thread. Just shows how different people can get different service from the same co. but always nice to hear from another perspective for future decisions.

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I totally agree with this if all you want to do is remap the car and not add a Milltek (or other aftermarket exhaust). All you would gain for your £500 remap from REVO or AmD would be smoother running and possibly a minor hike (2 or 3 bhp perhaps) over the #6463 update which is free from VW.

Remap only upgrades only ever make sense on forced induction cars, like the 1.8T, 2.0TFSI (Mk5 GTI) or the PD TDI engines. Remap only upgrades on naturally aspirated cars do change the fuelling but, by the very nature of the fact that none of the engine internals or exhaust are being changed, tend to make naff all difference.

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[ QUOTE ]

Oddly enough, whenever I go there and mention chipping my car he always says don't waste your money (as he did to a fellow R32 owner on the phone while I was having my tyres changed) as on the R32 the updated VW software (6463) is as good as any tuner's software and won't net any real gains for the £500 priveledge.

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Dan, in my eyes this is utter rubbish, even with the 6463 software the standard map is no where as good as the Revo map i have, in fact the standard map is cr$p compared to the Revo, i hate having to change it back to stock as you realise how sh$te it is.

With the Revo the car is alot smoother to drive especially when pulling away and up to around 3k,rpm and then the mid range torque is so much better and pulls the car extremly well, it improves the whole driveability and is no way an "aggresive" map. It would have to be the best bit of money i spent, and it's now £339 so not really that expensive for what will transform your car into a much more enjoyable drive.

My car is away at the mo sekret.gif but you are more than welcome to give mine a blast to see the difference it makes compared to stock and you can also switch from stock to Revo if you like.

This of course is just my opinion, but the 6463 is no where as good as having a "proper" map. grin.gif

Cheers

Jimmy 169144-ok.gif

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Having only experienced an upgrade to my old MKIII 16v's chip, which was a waste of money, it would be very interesting to feel the difference to 6463 and a real remap. And so you are saying Mook that with my Milltek and CCAI I will see much better gains than a stock car? I know the main thing holding me back is my insurance. They almost wouldn't cover the car when I told them about exhaust and CCAI. Underwriters suck!!

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And so you are saying Mook that with my Milltek and CCAI I will see much better gains than a stock car?

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Yes. If you run just a Milltek and cold air intake with the #6463 code and then upgrade to, say, the AmD Stage 2 (ST2) remap, which takes account of the Milltek (but not the CCAI) you will notice an increase in performance. Assuming you don't have a cold air intake, the AmD ST2 remap and Milltek cat back exhaust will take your car up to circa 270 bhp. The CAI probably adds between 3 and 6 bhp on a car with standard cams and a remap.

Just having the Milltek cat back with the #6463 probably means your car is pushing about 260-265 bhp.

Get yourself up to AmD and sort it out Dan. Or if you're preferred route is REVO (as Jimmy has), get yourself up to Big Boys Toys in Thurrock - www.bigboyztoys.co.uk - talk to Shaun. He's on TsN and uk-mkivs.net occasionally, but he prefers to talk on the phone than via e-mail.

HTH

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So does the Mark V R32 have the same OE haldex controller and software as the previous cars or an updated one? Would the Haldex Performance controller still have a beneficial impact on the car?

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It comes with the same Haldex controller as on the MK4 R32 (and Golf V6 4Mo, Audi TT, S3). Yes, the Haldex HPP would have a beneficial impact on a Mk5, although I have yet to hear of anyone who has done it on the Mk5 - maybe you'll be the first!

If you get the chance Nick, get yourself out in someone's MK4 R32 that has it fitted. PM me if you're in the South West, South Central or London areas (I travel a lot) as I would be happy to take you out so you can see the difference.

beerchug.gif

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[ QUOTE ]

[ QUOTE ]

So does the Mark V R32 have the same OE haldex controller and software as the previous cars or an updated one? Would the Haldex Performance controller still have a beneficial impact on the car?

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It comes with the same Haldex controller as on the MK4 R32 (and Golf V6 4Mo, Audi TT, S3). Yes, the Haldex HPP would have a beneficial impact on a Mk5, although I have yet to hear of anyone who has done it on the Mk5 - maybe you'll be the first!

If you get the chance Nick, get yourself out in someone's MK4 R32 that has it fitted. PM me if you're in the South West, South Central or London areas (I travel a lot) as I would be happy to take you out so you can see the difference.

beerchug.gif

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I thought they were coming with the Gen 3 Haldex?

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