Got 2.7t A6 wich chip??????
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Got 2.7t A6 wich chip?????? - 4/7/2008 9:39:08 AM
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madrussian
Posts: 98
Joined: 11/19/2007
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Hey guys. Be honest with u, didnt do any research, just little here and there, simply dont have time so figure i will start new thread. Just got my A6, stock as far as i know. And i need to add some balls to it, after all thats why i got 2.7t. After basic stuff like exhaust and intake, what alse add up noticeble power? I heard main thing is a chip and 2 main ones are APR and GIAK. Wich one will add more power with beeing some what safe? And wich one got that flip switch tune (91-93 or high octane and how high can i go?)? I heard just with the chip and race gas tune it may put down close to 300 hp to the wheels, true or false? Thanx for any input.
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2003 redfire svt cobra coupe. 495 rwhp 498 rwtq. 11.9@121mph 1/4 on street d/r tires. UP FOR SALE.
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RE: Got 2.7t A6 wich chip?????? - 4/7/2008 10:13:37 AM
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Joeski
Posts: 455
Joined: 12/31/2005
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The chips available for our 2.7T are pretty much the same as far as performance goes. GIAC and APR are the most common. I have had both. I prefer the APR for the more stock like drivability until you hit the gas pedal, plus I love the ability to change between programs thru your cruise control. The GIAC is a more aggressive program. Chips are the most bang for the buck in regards to power. I would change certain things before you chip because the factory components will fail on you due to the added boost from the turbo's. You will certainly want to change your TBB to a Samco, your DV's with Baileys, 710N's, Forge, APR or Hyperboost, either a drop in air filter (K&N or ITG) or a cold air intake. Also remember that chipping the car puts added stress on the turbo's, so drive easy on start up until the engine oil heats up (175 degress) and drive easy before shut down to start the cooling process. Use a high grade synthetic oil every 5,000 miles.....Elf, Amsoil, Pentosin, etc....I use Motul, love that motor oil! From there, you might want to upgrade your clutch/flywheel along with downpipes and catback exhaust, APR snub mount, the list goes on......
OOOO
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Spec Stage II Clutch and Aluminum Flywheel, APR Software, APR Snub Mount, APR Downpipes and Test Pipes with Milltek Cat Back, Hyperboost Diverter Valves, K&N Drop In (Temp).
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RE: Got 2.7t A6 wich chip?????? - 4/7/2008 11:10:50 AM
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joetm
Posts: 564
Joined: 1/6/2008
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not 300 to the wheels but 300+ at the crank
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-Joe
2002 a6 2.7t / GIAC / REMUS / AWE-Tuning s-flo intake / bailey's DVs / vast stage 3 tip chip /vast piggies / obx manifolds / k04's and rs4 ecu platform to come soon!
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RE: Got 2.7t A6 wich chip?????? - 4/7/2008 12:14:00 PM
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formulagigi
Posts: 1006
Joined: 4/23/2007
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It'll take a lot to get 300 at the wheels on these cars as it is fair to assume a 25% powerloss thru the drivetrain...
I personally like the APR chip as it is powerful yet smooth (good match for an A6, after all we're not driving jap econoboxes), plus it has several programs you can switch b/w using the cruise control. I even have the fault code eraser and throttle body alignment program.
As said above, you should definitely chnage the TBB with the Samco TBB or get the APR Bipipe. Also chnage the stock DVs to the 710N for the TT if you want to save $ (I think they used to be $45-50?) or go for APR or Hyperboost. I've had both, really no difference on driving but the APR is maintenance free. 320 hp/380lbs Tq
next for performance, get the VAST Performance Piggy pipes for $350 + labor.
Third, is catback..
The above will put you at stage 2 +.. Maybe around 350ishHP and about 400Lbs Tq. car will hav emore low end grunt and less power drop off after 5k, which is the case wit the chip only.
Drop in filter is fine but really don't expect a diff.
Save your $ on CAI... not worth it on our car... you can use that $ for another mod.
I personally really liked the NewSouth Powergaskets, got more torque and alittle extra power, which I could feel.
Finally, I recently got the stage 2 Tip Chip fro VAST and am waiting for their stage 3 file. Should be in my mailbox when i return home. Anyway, they remove the TQ limiter and make adjustments that allow the car/tranny to make the most of your power and shift faster. You can actually tell the difference as oppposed to what I heard about the GIAC chip. My car feels like it HAS more power.
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2004 A6 Stg 2+ and 99 TJ...mod
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RE: Got 2.7t A6 wich chip?????? - 4/7/2008 6:07:01 PM
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GDET09
Posts: 174
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This is all really good advice for anyone who wants to mod the 2.7t such as myself. Im considering the APR over the GIAC. Sort of a newb question sorry, but whats a TBB? Im thinking it has to do with the timing belt? Where could I get the TT dv's?
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RE: Got 2.7t A6 wich chip?????? - 4/7/2008 6:26:20 PM
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Slurm
Posts: 75
Joined: 6/25/2007
From: Fort Wayne, IN
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Is there a potential problem with doing engine back upgrading with a biturbo motor? Do the stock DP's/Catback act as a bottleneck if the boost is increased via chipping? I wasnt sure if there were any backpressure related problems if you dont first change your exhaust setup.
I want the power, but i want a daily driver to hehe.
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RE: Got 2.7t A6 wich chip?????? - 4/7/2008 7:21:18 PM
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white fish
Posts: 15
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Throttle body Boot = TBB
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RE: Got 2.7t A6 wich chip?????? - 4/7/2008 8:59:31 PM
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justincredible
Posts: 71
Joined: 8/10/2007
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Power wise you will see big gains with any chip I would stick with the big 3
APR
VAST
GIAC
deffinitly get the piggies I would not make them you self for several reasons
1 CEL
2 bad gas mileage due to a improper reading 2nd 02..the rear 02's control long term fuel adjustment.
3 they have made hundreds if not thousands of them. Better to pay a few dollars more and have a relationship with a respected tuner than to save a few dollars and not have a properly working part...The CEL gets old real quick
Deffinitly get the VAST TIP chip if you have a tip. other wise you are not getting full power out of the chip you choose.
The GIAC tip chip is not worth paying for. After I did mine a friend got all excited about the shifting and performance I got with my VAST tip chip. He got a GIAC one and to be honist I don't know how they charge money for that compaired to the VAST one
Also when you get the chip get the intake spacers deffinitly a great Idea
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from detroit muscle to audi hustle
from V8 with too much noise
to audi with too much room..but still more power
Vast performance stage 2 tiptronic file & stage 3 ECU file.
with 2 new chips I now have B6 S4 power
lets call it B6 S4+power :P
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RE: Got 2.7t A6 wich chip?????? - 4/7/2008 9:23:40 PM
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zippy_gg
Posts: 130
Joined: 2/20/2008
Status: online
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I have an APR chip on the way (91 octane since that's all we get her in SoCal  ), along with a Samco TBB, and a pair of 710Ns for my 2000 A6 2.7T.
What spark plugs would you guys recommend for everyday driving in L.A. traffic with some highway fun thrown in? Also what is the optimum gap? TIA!
I should be installing within the next couple of weeks. I'try to take a bunch of pix and post.
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Gilles & Kathy
Unofficial SoCal Crew member
05 Dark Graphite BMW K1200LT
05 Audi A4 3.0 (For sale)
00 Audi A6 2.7T (Spare bike)
03 Saab Convertible (Other spare bike )
Samco TBB, 710n DVs, APR 91 chip (1 bar). Piggie
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RE: Got 2.7t A6 wich chip?????? - 4/8/2008 5:52:16 AM
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formulagigi
Posts: 1006
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^ cool, get a few coil packs now, so you're ready when they start going.
NGK - Spark Plugs (#PFR6Q)
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2004 A6 Stg 2+ and 99 TJ...mod
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RE: Got 2.7t A6 wich chip?????? - 4/8/2008 5:56:02 AM
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formulagigi
Posts: 1006
Joined: 4/23/2007
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quote:
ORIGINAL: GDET09
This is all really good advice for anyone who wants to mod the 2.7t such as myself. Im considering the APR over the GIAC. Sort of a newb question sorry, but whats a TBB? Im thinking it has to do with the timing belt? Where could I get the TT dv's?
It is the throttle body boot which is prone to failure on our cars, Samco makes an upgrade. Or replace it long with the front plastic bipipe withe APR bipipe which connects directly to the throttlw body, no boot, It is one solid piece... no expansion with temprature....
I like it,
YOu can get the 710N;s from the dealer or various websites like ecstuning, they are 44$ vs 120-16 for aftermarkets ones see libnk below and chose.
http://www.ecstuning.com/stage/edpd/pagebuild_v2.cgi?make=Audi&engine=2.7T&model=C5%20A6&submodel=Quattro&category=Engine&subcategory=Intake
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2004 A6 Stg 2+ and 99 TJ...mod
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RE: Got 2.7t A6 wich chip?????? - 4/8/2008 6:01:55 AM
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formulagigi
Posts: 1006
Joined: 4/23/2007
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quote:
ORIGINAL: trapped
Good Response Gigi, You have been a big help for me and your advice is great! I have a local shop that will do custom piggies for $125, but the o2 sensors are not relocated so it will most likely throw a CEL. Does that fault code eraser fix that?
As for an air filter I added the K&N drop in and it was a PITA but no real power gains. I have noticed the turbo spool is a little more noticable and god I love that sound.
What is the Throttle Body allignment program?
Also I am thinking of putting 2.5" stainless cat-back straight back to new magnaflow mufflers (oval tips) How much should I expect to pay for that alone? I can't afford a Militech cat back or anything like that so a custom is all I can do!
Thanks in Advance 
Thanks. I would be careful of local shops doing this for 125$, it is a lot of work... YUO need the 02 bungs relocated, then get the slcack from you stock O2 sensor wires and you won't have any problems at all. Seriously, I would pay more and get VAST's unless you are 100% sure about the guys who is going to do the work. The fault cide eraser will make your cel go away but if you have a )2 issue, it'll come back.
I have the K&N drop in as well and can't feel any difference at all. but I did not expect any so no biggy.
The throttle body alignment allows yuo to do just that... I had to do mine after the battery was disconnected for a while, idle was off too. That fixed it. People typically do this with a VAGCOM.
Not sure how much you'll pay for yuor catback but some members here or on Audizine ahve done it... varies per shop.. maybe 500-700??
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2004 A6 Stg 2+ and 99 TJ...mod
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RE: Got 2.7t A6 wich chip?????? - 4/8/2008 6:05:27 AM
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formulagigi
Posts: 1006
Joined: 4/23/2007
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quote:
ORIGINAL: Slurm
Is there a potential problem with doing engine back upgrading with a biturbo motor? Do the stock DP's/Catback act as a bottleneck if the boost is increased via chipping? I wasnt sure if there were any backpressure related problems if you dont first change your exhaust setup.
I want the power, but i want a daily driver to hehe.
Mine is a daily driver and I haul the kids around with it. No issues. Especially with the APR chip, which is so smooth and has stock drivability.
Getting piggy pipes or DPs will definitely help though by reducing the heat build up behind the turbos.
APR chip for stage 1 goes to 1.0 bar so nothing insane...some stage 3 guys are at 23-25 lbs of boost!
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2004 A6 Stg 2+ and 99 TJ...mod
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RE: Got 2.7t A6 wich chip?????? - 4/8/2008 6:56:06 AM
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madrussian
Posts: 98
Joined: 11/19/2007
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hey guys! im back! want to say thanx for all the input provided. Alot of good info. i come from muscle car scene, priveously had a 11 sec 500 horse cobra that is gone now , so i dont know much about audis but will do my research.
So by far thats the things that im thinking of and please correct me if im wrong:
1. Work on the exhaust setup (i want those turbos to last), im more of a custom exhaust guy so i would get with my local trusted shop to see what they can do. Thinking more of just cuting out the cats keeping O2 housing in the place, and replacing muflers with 2.5 magnapacks. im just afraid it would be to loud.
2. After done with exhaust, get throtle body spacer, replace those bipies with APR peace and put a drop in K&N.
3. Deverter valves.......now here the thing: i heard that u can actualy run blow off valse but just those with the closed cerculation (closed at idle). I simply like them more for that released air sound. But dont know what beeter performance wise and safety.
4. Get the software. I like the one when i can switch beetwen the programs, APR i think (want to get 2 modes- 91 and 110). Also look for trany chip, i got a tip so i gues VAST would do it.
5. get beeter sparks and coils just for safety.
6. Hit the 1/4 and unleash the fury on all the ricers!!!!!!
_____________________________
2003 redfire svt cobra coupe. 495 rwhp 498 rwtq. 11.9@121mph 1/4 on street d/r tires. UP FOR SALE.
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RE: Got 2.7t A6 wich chip?????? - 4/8/2008 7:08:45 AM
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Slurm
Posts: 75
Joined: 6/25/2007
From: Fort Wayne, IN
Status: offline
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quote:
ORIGINAL: formulagigi
quote:
ORIGINAL: Slurm
Is there a potential problem with doing engine back upgrading with a biturbo motor? Do the stock DP's/Catback act as a bottleneck if the boost is increased via chipping? I wasnt sure if there were any backpressure related problems if you dont first change your exhaust setup.
I want the power, but i want a daily driver to hehe.
Mine is a daily driver and I haul the kids around with it. No issues. Especially with the APR chip, which is so smooth and has stock drivability.
Getting piggy pipes or DPs will definitely help though by reducing the heat build up behind the turbos.
APR chip for stage 1 goes to 1.0 bar so nothing insane...some stage 3 guys are at 23-25 lbs of boost!
Did you have the chip done before changing your exhaust?
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RE: Got 2.7t A6 wich chip?????? - 4/8/2008 8:48:17 AM
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formulagigi
Posts: 1006
Joined: 4/23/2007
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yes.
chip
then piggies
then exhaust
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2004 A6 Stg 2+ and 99 TJ...mod
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RE: Got 2.7t A6 wich chip?????? - 4/8/2008 5:00:53 PM
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Slurm
Posts: 75
Joined: 6/25/2007
From: Fort Wayne, IN
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Thanks Gigi. I think ill save up for an APR bipipe and then save for the Vast piggies and tuning. (they are about 3 hours from my place)
< Message edited by Slurm -- 4/8/2008 5:13:09 PM >
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2004 A6 2.7T S-Line
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RE: Got 2.7t A6 wich chip?????? - 4/8/2008 8:25:53 PM
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formulagigi
Posts: 1006
Joined: 4/23/2007
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Absolutely, no problem with inspection b/c VAST adds two new O2 bungs pass the precats relocating the O2 sensors.
The stock O2s work fine, but you'll need to work on getting the slack out to reach the new bungs.
Getting those piggies one is work, especially on TIP A6's. Gotta unbolt the subframe.
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2004 A6 Stg 2+ and 99 TJ...mod
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RE: Got 2.7t A6 wich chip?????? - 4/8/2008 9:13:06 PM
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formulagigi
Posts: 1006
Joined: 4/23/2007
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what's that 50 for software to pass emission??????
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2004 A6 Stg 2+ and 99 TJ...mod
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