« Reply #10298 on: 21 May 2020, 19:37 »
Thanks very much TippEx for the Mountune review!
I’ve used the Mountune head office in Essex with previous vehicles, but not VW, so am particularly interested. Yes, Ryan and team were good when I visited.
Does the TCU remap smooth out changes in normal D? My concern with the engine remap is that I do not have the PP, so no LSD. As a result I think it is likely to totally change the usability and balance trying to make use of the power/torque!
I fitted the Clubsport S backbox to mine, and diffuser. Can’t say I noticed much different to stock, except for the annoying DSG farts being louder!
Echoed, that was a really good review TippEx
Tony, the VAQ diff doesn’t have a massive torque threshold, I can’t remember the exact figure it’s rated to now but it’s not massively more than the production cars put out as standard. I certainly felt the DTUK box I ran on my mk7 around six years ago overpower the diff on occasion resulting in wheelspin on the inside front tyre. Mind you I was running Conti 3’s back then which may not have helped. Where as the VAQ works wonders on a standard car it can occasionally get overpowered when the boost is ramped up via aftermarket software.
Going from previous generation GTIs I’ve remapped I find they don’t get too upset by not having a diff, so long as the power is applied progressively the chassis copes remarkably well and I’d thoroughly recommend a stage 1 tune.
The only drawback of the non-PP GTIs are the front brakes being marginal.
I’ve no experience of a TCU map but it’s something I might look into myself at some point.

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‘23 8R, ‘20 8CS, ‘19 135iX, ‘19 TCR, ‘17 Ed40, ‘17 GTD, ‘15 7R, ‘13 GTI PP, ‘11 GTI, ‘09 GTI, ‘98 Ibiza Cupra, ‘05 GTI, ‘06 Polo GTI, ‘04 GT TDI, ‘05 Fabia vRS, ‘02 GTI T, ‘03 Ibiza TDI 130, ‘01 Leon 180, ‘89 mk2 16v, ‘99 Ibiza TDI, ‘96 VR6, ‘98 Ibiza TDI, ‘92 VR6, ‘88 mk2 8v, ‘92 Polo G40, ‘91 mk2 8v, ‘89 mk2 8v, 205 GTI 1.9, ‘83 mk1 GTI, ‘80 Scirocco GTI, plus some others I’ve forgotten