NefMoto

2001 Audi S4

STOCK 2.7 BLOCK
STOCK PISTONS
IE ROD'S
Raceware Main Stud
TURBO PRECISION CEA 6266 T4 .81 A/R  ceramic ball bearings billet wheels   
CUSTOM TURBO MANIFOLD WITH 2.8 HEADERS
PRECISION   46mm Wastegate
2.8 HEAD , STOCK 2.7 VALVE'S WHIT Supertech Valve Spring/Titanium Retainer
NEW OEM Timing Chain Tensioner Left and Right 
BOSCH EV14 72 lb Injectors
Custom 85 mm maff and Hitachi Sensor                     
FUEL LINE -6 AN
Prosport EVO Wideband Digital Air Fuel Ratio kit Guadge
Prosport EVO Boost Guadge                                   
Prosport EVO Fuel pressure Guadge
044 BOSCH Pump  in tank
034 fuel rail
Aeromotive fuel pressure regulator
CUSTOM ENGINE OIL COOLER -10 AN
CUSTOM DOWN PIPE 3"
CUSTOM CAT BACK 3"
CUSTOM Precision Front mount intercooler for 850 hp
Greddy RZ blow of valve
Custame made INTAKE MANIFOLD 

(http://i831.photobucket.com/albums/zz234/UkuRiSh/dc21cf8b.jpg)

(http://i831.photobucket.com/albums/zz234/UkuRiSh/IMG_1500.jpg)

(http://i831.photobucket.com/albums/zz234/UkuRiSh/MANIFOLD/IMG_1380.jpg)


Car made 430 whp at 16.5 psi of boost 

haha!  i think i've seen your videos.  dude, welcome to the board my man!

About time you came over here!  WELCOME!

 ;D Yessss. Im so glad im not the only one : ). i cant stand the turbos on the bottomside. i started mine 4 days ago i should be done here in a couple of days. I upgraded to K04's and a spark plug came apart and grenaded one.  :'(

I forgot about this guys sorry , my custom intake had big Boom !!!! Use my stock intake for now , one of my piston had crack ! Going with 92.8 Stroke :) and 82MM JE pistons . I will post some pictures soon .

93 Oct + Meth at 30 Psi . Temperature is over 80F and 45% Humidity , My Fuel pump is maxed out at 30 psi , FUELLAB pump is in the way , I will continue tune at pump gas + higher boost . 

My wife 2011 S4 DSG J-Fonz Stage 1 made 360WHP & 330 WTQ

[video=youtube;atjIqS9tfCE]http://www.youtube.com/atjIqS9tfCE[/video]


(http://i831.photobucket.com/albums/zz234/UkuRiSh/AudiS4B5Dyno_zpsc3ef90ca.jpeg) (http://s831.photobucket.com/user/UkuRiSh/media/AudiS4B5Dyno_zpsc3ef90ca.jpeg.html)

Dyno log all of them 2.6 FATS

(http://i831.photobucket.com/albums/zz234/UkuRiSh/Dynopuul261fats_zpsda62ab97.jpg) (http://s831.photobucket.com/user/UkuRiSh/media/Dynopuul261fats_zpsda62ab97.jpg.html)


(http://i831.photobucket.com/albums/zz234/UkuRiSh/dynotemp_zps2c493404.jpg) (http://s831.photobucket.com/user/UkuRiSh/media/dynotemp_zps2c493404.jpg.html)




My best fats  is 2.44 on street

(http://i831.photobucket.com/albums/zz234/UkuRiSh/244fats_zpsecad6985.jpg) (http://s831.photobucket.com/user/UkuRiSh/media/244fats_zpsecad6985.jpg.html)

(http://i831.photobucket.com/albums/zz234/UkuRiSh/strrettemp244_zps506574a2.jpg) (http://s831.photobucket.com/user/UkuRiSh/media/strrettemp244_zps506574a2.jpg.html)

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Nice car! Any chance of some full logs?

Nice job!

Regarding OP or Geraldsum marketing in a dead thread?  ;D

LOL

Here's one of the two we did.  :)

This is not an attack, so don't take it as such....

But to people think about surface area when they choose filters for these hot air intakes? I have had several cars that had such restrictive setups, after changing them we picked up 30, 40hp.

I thought it was the ccv filter before I expanded the picture.  ;)

No they don't, that kind of filter needs to be one of the largest available from the manufacturer for a high hp car, I would say like twice the size of the one in the picture. Sure, limited space can often be a problem, but still.

Yup. The filters I run are 10" long with 8" diameter bases. You need to at least match teh stock air filter, or else why not keep the stock air filter!

Good to know. I'll pass that info on to the owner. We did that car a few years ago, I hope I can still get a hold of him!

Old topic but maybe someone still reads ;)
How to solve issue with two O2 sensors ? do you have both of them connected or one is somehow removed from SW ?

You can either fit both, but they have to be pre-turbo, and the EGT kills them there very fast unfortunately.
Or you need to fit one post-turbo, but then the SW needs a patch to force the trims and adapts to be equal always.

You can't just put 2 in the same pipe, otherwise one will go -25% and other will go +25%.

Thanks for response prj, I am now in middle of reading this thread: http://nefariousmotorsports.com/forum/index.php?topic=2112.165 trying to understand whats going on ;)

is that so there need to be some offset between both o2 readings otherwise it goes crazy ?

No, there does not need to be any offset.
This is a simple mathematical problem due to the way the lambda measures.

If you stick them both in the same pipe, one will eventually go all the way negative and the other all the way positive.
And if you don't catch it you will blow up the engine.

It doesn't matter really why it happens, if you want to use a single o2, you need to correct the code to have only one trim for both banks.

What if you connect one lambda probe to both input? For wideband this is not possible for sure, but these are only narrowband. Or will it force an error similar "input signal short circuit" ? Maybe a wideband controller with narrowband simulation output?

Its cover quite decently in the wiki for that exact engine lol


Define these as 16 bit (do not designate LoHi or LSB), output type will be Hex digits. Still under development - may not work properly

Delete B1
0x3C8BE
0x3C8D0
0x3E832
Original value will be 1A91, to replace with B2 input change to 1891.

Delete B2
0x3C8F0
0x3C902
0x3EA90
Original value will be 1891, to replace with B1 input change to 1A91.

Will not work. One bank trim will go negative and other positive.
This is 3rd time I say this, perhaps enough?

You said if you stick both probes to one pipe, not one probe to both input ;-) And nobody mentioned about a aftermarket wideband controller which have 2 output with same signal.

Anyway i was just thinking about it, i have no need for it.

FML dude.

It does not matter if there is any signal at all.

Go take a math class and see what happens when you have two separate pid controllers trying to control one output based on the same feedback value.

This has nothing to do with lambdas, engines, narrowband, wideband. How can you be so thick?
If you even write a simple computer simulation with two pid controllers and an amplitude signal, each contributing half then they will always end up on the opposite maximums.

The biggest dividing factor on this forum is education / life experience. Personally was a HVAC tech for 15 years specializing diagnostics and repair Hydro, solar, geothermal, natural gas, and LP. Carrier change led me into pneumatics and hydraulics system controls. Designing and building electric over hydraulic radio controls and pneumatic pid control systems. Always wrenching and building project cars then having to find someone else to calibrate it for me. I started to tune my own cars and took a solid 10 years to get a solid grasp of standalone ecus. Motronics, finding maps, winols, etc was a whole new world and that alone took 10 years lol. I guess my point is this forum is hobbyist based (as far as I can tell) and you may have a better understanding then whom you're speaking with. Personally when I find myself in this situation Ill spend the extra time to educate myself on the topic in question.

It's not about the background, it's about when you tell someone three times what is going to happen and they just ignore it.

Fair point.