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 **TTRS** Project 750hp View next topic
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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:46 pm  Reply with quoteBack to top



Lets see how close I can get to 750hp


The story start in autumn 2010.

All my life I had wanted a UrQuattro or a turbocharged 5 cylinder audi, so when they announced the TTRS my prayers where answered.

So I went ahead and traded in my stage 2 plus, 360hp, 2.0TFSI Cupra K1.



Great car, practical, cheap to run, and looked the part for a young man! Loved the car, hated the dealer after support!

I then picked up this beauty, Ibis white, delivery miles, so happy! Dream come true.

First thing I did was to remove the license plate off the front. Looks much better!




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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:47 pm Reply with quoteBack to top

First mod obviously is a remap.

I got this done by Revo, and it bumped the car up to 400hp on stage 1.

I then added a full turbo back race exhaust from milltek.

Stock





Milltek vs oem



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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:47 pm Reply with quoteBack to top

Next I looked at the brakes. The OEM pads were very dusty and didnt last long at all.

I bought some brembo blues for the car.




In hindsight these werent a very good addition as the soon killed the admittely not very good stock rotors.

Next I changed the panel filter.







I then looked at the intercooler. The stock intercooler is tiny so I fitted a forge motorsport unit. I got it fitted at Forge HQ, got a chance to meet the big boss Peter who is a really nice guy and really enthusiastic about his products which was nice to see.










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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:48 pm Reply with quoteBack to top

At this point I will introduce my buddies roadster. We mod our cars together, so he also got the forge intercooler fitted at HQ the same day.

His spec then being identical to mine up at that point.




Both of us not being happy with our brakes, we turned our attention to calipers.

We both settled on a set of rs4/rs5/r8/gallardo 8 pot calipers.









We also bought some new braided brake lines, castrol SRF brake fluid and I bought mintex 1155 pads. A friend machined the "revo" plate for us so the pads would sit on the oem disc properly.




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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:49 pm Reply with quoteBack to top

Next up I attended a 30-130 and top speed event at a runway.

This was my best result. 30-130 in 14 secs, and 170mph top speed. Basically the same results as stock GTR on the day. Not bad for a manual 400hp TTRS.






After that it was show season, and the two TTRS attended a few! The TTRS also won a auto X, handling challenge type event at one of the shows, which surprised many as we thought the track would be more suited to a N.A super mini type car. As soon as the TT was on boost it was time to brake again, so a good and shock result.







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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:49 pm Reply with quoteBack to top

I then replaced the stock intercooler hoses for some uprated forge ones. Another great forge product!



However we then came across a THS intercooler for free, and we were wondering what we could do with it. So, we decided to cram it behind the roadsters engine bay somehow!

And so this is what we came up with. Removed the air conditioning rad, attempted to remove the A/C pump aswell, but thats required due to the way the belts run on the engine. For it to fit we also had to cut the crash bar.



Then we painted the intercooler black for the stealth look.







End results via logging shows that temps are even cooler, and will peak at a certain temp and not increase anymore, but if you ask me whether its worth massacaring your TTRS for the small gain over the forge unit, I would say no. Therefore the coupe wont be going this route, and it did highlight actually how well the forge unit is actually designed, as the temps differences were minimal!

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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:50 pm Reply with quoteBack to top



The roadster then got some new wheels, whilst the coupe got race plugs.



New vs old





Full polybush set for both cars


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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:50 pm Reply with quoteBack to top



Then I decided to ditch the milltek in favour of a scorpion turbo back titanium exhaust.
This exhaust is the most beautiful piece of engineering I have ever got to touch I must say. Work of art!

And the weight saving is awesome too, i could live the backbox with my two little fingers!





















It turns blue after getting hot!


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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:51 pm Reply with quoteBack to top

The roadster then got this prototype ITG intake! Made nice gains!



And we decided the roadster needed a louder exhaust that the milltek race back box.

So we fitted a single exit rear can! Now its really loud, sounds super!


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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:52 pm Reply with quoteBack to top

At this point it was decided that we would move away from Revo software, and paid a visit to APR.

They wrote a stage 2 map for the car, we were hoping for great things and we werent dissapointed. The power holding that the map provided vs the revo stage 2 map was just crazy. Its pulls and pulls all the way to the redline. The way the power doesnt drop off and it keeps on just pulling leaves you smiling from ear to ear.

Now after the forge intercooler was installed, the car was dynoed at 420hp at stage 2 and between 380-400lbft of torque, I cant remember the exact figure.

I decided I wanted to dyno this new map to see what the car was making now.





The APR map gave me a nice gain, 430hp and 450lbft! The power curve is just beautiful aswell!

So now we are at 430hp and just about reaching the limits of the stock turbo.

We still need more power.

To do this the car requires:

Uprated clutch
Uprated fuelling
Bigger turbo
Internals, because we are going over the 600/650hp threshold


So all of the above is in the works now.

Clutch spec has been decided on, it will be a twin plate, hopefully ready sooner than later

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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:53 pm Reply with quoteBack to top

Engines out!




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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:54 pm Reply with quoteBack to top

Some more exhaust porn shamelessy taken from jonnys thread. Gotta give massive props to Forge Motorsport/scorpion exhaust for making a Ti exhaust for the TTRS! Aero Space Grade 1 Titanium with 1mm thickness!














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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:56 pm Reply with quoteBack to top

And so the engine build has begun!







And this is where we are at now:


Stripped down head



Port moulds and the ferrea valevtrain




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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:57 pm Reply with quoteBack to top

Rings gapped, parts balanced, ready for assembly. High temp, low friction thermal coating.


Old VS new


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TTRS_500
Knows a Bit


Car: TTRS APR S2
Power: 430HP
Torque: 450LBFT

Joined: 06 Jan 2011
Posts: 226

Location: London/kent/essex

PostPosted: Wed Aug 08, 2012 6:58 pm Reply with quoteBack to top

Getting there with the cylinder head. More updates soon


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