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Author Topic: MAFless A6(C5) 3.0 biturbo GT2860RS  (Read 42541 times)
SeRiLLo
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« on: October 30, 2012, 09:09:21 AM »

From the beginning, the project was built as a show car. It's not sport, rally or drag car. It`s urban fast show car )) And all technical solutions applied in this project was aimed at achieving these goals. I did the whole car with my own hands. Starting from the motor assembly, welding, finishing with electronics and ECU tuning and programming. MAFless, noN249, noN335, noSAI, noRearO2

https://www.youtube.com/watch?feature=player_embedded&v=HD-QG-_ftOk

https://www.youtube.com/watch?v=hkUhkpGJ4xY&feature=relmfu
















-2.7 AJK block
-2.8 ACK heads
-3.0-crankshaft
-Piston forged JE, 8.5
-H-rods Eurospec
-ARP bolts
-Intake camshafts RS4
-Exhaust valves and springs 2.7T
-Intake manifold RS4
-throttle RS4
-Aluminum fuel rails 034motorsport
-Fuel Pressure Regulator Aeromotive
-Injectors Siemens DEKA IV 727cc at 4 bar
-BOSCH 044 fuel pump in the tank + 2 x Walbro GSL392
-Surge Tank
-Turbos-Garrett GT2860RS x 2
-TIAL blow off valve 50mm Q vent
-Stainless steel welded exhaust manifolds
-Fittings and hoses, Goodridge
-Fidanza aluminum flywheel
-Clutchmasters FX400
-K & N Reverse Conical Universal Air Filter x 2
-Stainless steel welded exhaust
-end mufflers Sebring

-------- ---- TRANSMISSION
- All-wheel drive quattro, 01E 35/9
- Reinforced rear-wheel-drive with a larger diameter drive flanges

BRAKES --------- -----------
- Brembo 345mm 6-piston brakes
- Reinforced Hoses Goodridge

SUSPENSION --------- -----------
- Bilstein PSS B14 coilovers
- Increased reinforced rear hub body with large bearings and a larger diameter shafts
- Reinforced solid final drive bushings

--------- Wheels and tires ---
Forged wheels ASA 19" tires Pirelli Pzero Rosso 255/35/R19





« Last Edit: November 11, 2012, 12:03:09 PM by SeRiLLo » Logged
prj
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« Reply #1 on: October 30, 2012, 09:27:53 AM »

А зачем улитки так размещены? Вроде как и гораздо более большие влезали в нормальных позициях?
Такой разрез в капоте наверное только в России прокатит, в любой цивилизованной стране гарантировано что дальше первых ментов не уедешь )))
А так видно что ты очень старался и всё делал, за это зачёт, продолжай в том же духе.

Правда мощность немного маловата. С этими улитками должно быть возможно снять заметно больше, чем 600 сил.
Во что на данный момент упираешся? УОЗ маленький, ЕГТ лезут? Какой наддув?
Я думаю что если устранить затык, то должно получится за 700 моторных.

---

English:
I questioned the placement of the turbos and said that in a civilized country you probably would not get very far with your car's hood looking like this.
Also noticed that it seems a bit down on power for the high flowing turbos and asked more about the aspect of the tune and the bottleneck, as it should be possible to reach 100hp more and certainly all the other components in the car seem up to the task, as everything has been carefully built with a great power reserve in mind.
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SeRiLLo
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« Reply #2 on: October 30, 2012, 10:34:32 AM »

28rs are not high flowing turbos ))) As i said, this is a show project for the first of all. It`s not all day car. 630hp is enough for this project. And max power is not the primary goal. I can show about 700hp but it would be possible limit for 28rs turbos(350 hp for one on 1500cc). I tuned on the subaru dino and it has bad for FMIC high level air cooling. For this reason IAT 50*C. If you're interested: 1.9 boost at 6000rpm, 1.75 at 7000+ rpm, IAT growing to 50*C at 7000rpm, ignition 11-12* from 5500->7500, ign. retard -3*, AFR 10.5-11, EGT 900-930, 98 octane.  If you say that I can make 750hp on 28rs, then let`s talk about it...


Собственно ты понял, что без отжатия турбин и углов на максимум ничего не получится - они тупо затычные. 700 - вообще предел при условии злых углов и низкого IAT
« Last Edit: October 30, 2012, 10:36:46 AM by SeRiLLo » Logged
prj
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« Reply #3 on: October 30, 2012, 10:39:39 AM »

You need Aquamist HFS-3 with dual 1.0mm jets Smiley
I have this on my RS4 and I could instantly run 5-6 deg more timing across the range.
1.6 and 1.45 bar to redline on little K04's.
Also no more problems with EGT, and hp went from about 450 on pump to 500 on pump+meth.

The meth kit will give even higher gains to you. I think you can have reliable 700hp then.
The biggest gain with it is the fact that the car is always fast. Does not matter if it is summer or winter.

Without meth injection my IAT were 30 and 60 degrees at redline.
Turn it on, and the same pull was 30 IAT in a straight line.
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SeRiLLo
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« Reply #4 on: October 30, 2012, 11:00:25 AM »

You need Aquamist HFS-3 with dual 1.0mm jets Smiley
I have this on my RS4 and I could instantly run 5-6 deg more timing across the range.
1.6 and 1.45 bar to redline on little K04's.
Also no more problems with EGT, and hp went from about 450 on pump to 500 on pump+meth.

The meth kit will give even higher gains to you. I think you can have reliable 700hp then.
The biggest gain with it is the fact that the car is always fast. Does not matter if it is summer or winter.

Without meth injection my IAT were 30 and 60 degrees at redline.
Turn it on, and the same pull was 30 IAT in a straight line.
i agree about meth, and i use it for the another cars. But this project does not accept any doping, at least for now. And I said it here http://www.drive2.ru/cars/audi/a6/a6_c5/elysey/journal/149425/#post
But I can easily install GT3071R with no alterations

If we talk about the power of stage1 RS4, some people make 530hp at 1.5 boost with no meth ))) we all need to learn from them )) lol
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prj
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« Reply #5 on: October 30, 2012, 12:47:04 PM »

If we talk about the power of stage1 RS4, some people make 530hp at 1.5 boost with no meth ))) we all need to learn from them )) lol
I know who you are referring to Tongue
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GTO
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« Reply #6 on: November 01, 2012, 01:54:01 AM »

we do few 2.7 with 28rs and 2871 , from 28rs i hit 650hp on crank, 2871 682hp on crank , 28rs no problem to locate in orginal turbo place.
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SeRiLLo
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« Reply #7 on: November 01, 2012, 04:48:09 AM »

we do few 2.7 with 28rs and 2871 , from 28rs i hit 650hp on crank, 2871 682hp on crank , 28rs no problem to locate in orginal turbo place.

i now, with good air cooling i can make 680 this project no problem. The main purpose of a such turbo location is to do something that no one has done and easy upgrade to bigturbos for future 
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SeRiLLo
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« Reply #8 on: November 01, 2012, 04:50:45 AM »

we do few 2.7 with 28rs and 2871 , from 28rs i hit 650hp on crank, 2871 682hp on crank , 28rs no problem to locate in orginal turbo place.

can you show yours projects?
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prj
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« Reply #9 on: November 01, 2012, 07:22:33 AM »

can you show yours projects?
http://www.digitun.pl/ - some of his are there Smiley
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nyet
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« Reply #10 on: November 01, 2012, 10:03:30 AM »

If we talk about the power of stage1 RS4, some people make 530hp at 1.5 boost with no meth ))) we all need to learn from them )) lol

Try that with west coast california 91 octane.
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« Reply #11 on: November 01, 2012, 10:05:59 AM »

Which ECU??
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prj
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« Reply #12 on: November 01, 2012, 10:09:41 AM »

Try that with west coast california 91 octane.
It is also completely unrealistic in europe, he was referring tongue-in-cheek to a certain forum thread on a certain forum and certain claims, ignore that Smiley
Most RS4's here with a tune, exhaust, injectors make 470-480 crank.
I have a decat and meth, and I rate mine at about 500.

The injectors really run out at around 450 crank. You just go to 100% IDC and fuel goes lean.
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nyet
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« Reply #13 on: November 01, 2012, 05:08:06 PM »

The injectors really run out at around 450 crank. You just go to 100% IDC and fuel goes lean.

Yup. Even on 5 bar :/

Need 11.5 on 91oct Sad
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Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
prj
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« Reply #14 on: November 01, 2012, 05:50:26 PM »

Yup. Even on 5 bar :/

Need 11.5 on 91oct Sad

I don't know about 5 bar, I run mine with stock fuel pressure.
With 5 bar there could be more to be had from them properly, but then that's putting more strain on the pump.

I run 1100cc meth though, and it seems fine atm Wink
Anyway let's not over pollute SeriLLo's thread here with our off topic...
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