All Things Mk5 > Members Rides
White "Lion" Cupra - DSG converted track car
pudding:
--- Quote from: Shoduchi on December 06, 2018, 12:23:57 pm ---What octane booster has he tried? I've always had good improvements on the road and on the dyno with the Nitrous Formula Race Octane Booster.
--- End quote ---
I used that in my old n'asp VR6 a long time ago and it made the spark plug tips and piston crowns orange :grin: It wasn't that good imo. Couldn't advance more than a couple of degrees.
Years ago I had access to Sunoco 110 octane race fuel and I was able to advance My VR6 turbo's ignition a full 10 degrees in boost, and a good 15-20 degrees off boost. 10% throttle did the same job as 25% throttle on pump fuel! Awesome stuff, but waaaaaay too expensive for regular use :grin:
teo_parvu:
WOOOW! That sounds awesome.
I'm concerned about more than 430-440 bhp and 600nm with stock clutches and stock internals. I'm already pushing it, good thing I'm only racing short sessions. With the new turbo that power should be achievable on pump gas.
Next step will be forged pistons & conrods and I'll try some race fuel.
pudding:
Yeah forged pistons :happy2: I had good luck with Wössner. They're not as loose in the cylinders as say Wiseco or JE, so the oil consumption isn't high. If you can, use drop-in ones and don't touch the factory honing. That can also affect oil consumption.
Nice rods from Carillo would be cool :happy2: I think you can also use coated RS4 rod bearings in the EA113 as well for extra reliability :happy2:
As for the clutch, you can use a TTRS pressure plate with stock or Helix friction plate, which is good for around 500lbft torque, maybe a bit more.
The weak link is the DMF, but not a lot you can do about that. You could use a single mass flywheel I suppose if it's just for racing :happy2:
Shoduchi:
Yes, the spark plugs tips get orange. Well, a couple of degrees is better than nothing. The engine can make around 15 HP more with the booster (following measures made with the factory K04 and what the tuner expected from the map with pump fuel). For a sporadic use, it’s good and much cheaper than 110 octane fuel.
teo_parvu:
@Pudding
@Shoduchi
Pud, you're an infinite source of knowledge. :happy2:
Good to know that the TTRS pressure plate can be used on our platform. Fortunately after 2 awful single-mass clutch kits, I've switched to DSG. With increased clutch pressure software, it handles 580NM superb right now, but i don't know what will happen with new TTE480 torque numbers.
Carrillo rods are probably the best, but way too expensive and I don't think the rods are the weakest link. Was considering Tuscan rods and Mahle pistons, now I’m looking also at Wossner. If I got it right I should use 82.5. ;)
This upgrade is planned on the second part of the 2019 season, each advice is welcomed and appreciated. I've just started looking into it, because of the coming TTE.
What do you think about this kit?:
https://www.bar-tek-tuning.com/2-0l-tfsi-high-performance-pistons-conrods-set-mahle
Joaquim - 15 more hp is huge man, as I said, I appreciate all your knowledge and I hope to have the funds to try everything. So keep it coming and thanks! :notworthy:
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