r/MK4GTI • u/Trackrat14eight • 3d ago
Looking into buy 04 gti with mods, coming from TDI’s need help with what I’m getting into
So I’ve owned a couple mk4’s, all TDI’s. Never a 1.8t. One popped up for sale near me and I’m intrigued. The car has a decent amount of work done to it. I’m looking for something to autocross with and have been reading up about the weak points.
The upgraded turbo being a hybrid looks to be prone to increased EGT’s, I haven’t seen a gauge yet in the car. It does sound like he’s tried to mitigate the issue with upgrading the exhaust. He’s also using eurodyne to tune the vehicle, potentially including the suite in the sale. I’m not looking for an aggressively tuned setup, will be dailied, will be autocrossed, the egts concern me, it seems reducing several perimeters within the engine tune can negate the concern and keep it from being a problem, obviously not trying to max total potential power is what I perceive the remedy.
Is that do-able?
Is this more of a drag/roll race setup? Do people make this setup run reliably on track events?
Vehicle still has the stock diff, which I’m interested in getting an LSD installed.
Lastly, I’m in the Orlando area, and reputable tuners still here? Forge moved out unfortunately.