My B8 build plans ..??..

If you are b8.5 it would be different again
 
Luckily I'm a b8 but with the dual OEM heat exchangers. Many thanks for the help it's really appreciated

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And we are home.
So I made 500HP again........ but gained HP & TQ over my last dyno all across the rev band up to 6,500 RPM. I gained 2PSI of boost from a quick test on the way home,but it's raining now :(

If you compare HP/TQ at any point before 6,500RPM you wil see the gains across the rev band are clear :)

Very Very happy with the result

PHOTO 20170412 143508
Screenshot 2017 04 12 14 03 06
 
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So revo made you a dual pulley file?

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XP, which fuel are you running. I know I could find it in one of the 27 pages but ...


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98RON, just saw it on the pic. V-Power right?


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Tesco momentum 99.The older dyno refers to the 98RON map
 
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Good blast out earlier.I still have 2-3PSI boost being bled off,so more to come from this set up via mapping.
On the plus side IAT & cat temps are good :)

Screenshot 2017 04 12 20 26 38
 
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PHOTO 20170418 143033
PHOTO 20170418 143050
 
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Back In the game ! Mate that looks mean as **** in black, I like
 
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Cheers Chop :) I must admit I like it even more than the white :s4addict::rockwoot:
 
Yeh mate id say that's worked out for the best even if it was twice the price :grimacing::sunglasses:
 
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Bonnet vents seem to be working as planned.
I compared a previous log of IAT's V a new log of IAT's after the pulley

IATs 1 VS DP
 
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I just spoke to a mate of mine who works for a tuning company.He/they are more than happy to help me release the boost & power I have that is currently left being blown off :)
Exciting times
 
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Looking good! surely this has to be one of the most powerful b8's in the country now, and with a couple psi of boost still to go.
 
Last edited:
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xpoweruk said:
I just spoke to a mate of mine who works for a tuning company.He/they are more than happy to help me release the boost & power I have that is currently left being blown off :)
Exciting times
Click to expand...
You still with revo or going elsewhere?

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Looking at options at the moment pez81
 
Looks sick xp mean as f@#$ im excited to hear what its capable of

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XP, a quick one (or maybe not ). Has activating ADS without Sport Diff made any noticeable differences. I don't have it either and I know of a guy in London who not only activates it via VCDS but also retrofits the buttons as well and it is pretty neat work .
Have you seen it throw any codes etc??


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You can feel it in the steering,engine wise once mapped it's hard to tel TBH
 
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You reckon I should go for it then. The ****** list is increasing


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Tashfeen said:
XP, a quick one (or maybe not ). Has activating ADS without Sport Diff made any noticeable differences. I don't have it either and I know of a guy in London who not only activates it via VCDS but also retrofits the buttons as well and it is pretty neat work .
Have you seen it throw any codes etc??


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Click to expand...
I would be interested in getting that retrofitted and I'm in London too

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mdmay said:
I would be interested in getting that retrofitted and I'm in London too

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Click to expand...

http://audi-retrofits.co.uk/

He's fitted the ADS, flat-bottom RS5 steering wheel, and sweeping LED turn lights to his A5 and it looks really good.


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S4 B8 owners,has anybody tried/thought of changing the flow through the chargecoolers in the SC? OEM they flow cold 1 way cooled,hot back.In that configuration the already hot charged air is passing through hot coolant as the return is in the air flow. Maybe we could plumb cold feed at the front of the charger & hot from the rear ???

Blue arrow in,red arrow out

Surely this would have a big impact on IAT's across the rev range

My latest thoughts :)

B8Intercooler zps21a670d6
 



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well iv just spent 20mins reading up on superchargers, efficiency, psi, heat all of the good stuff and now my brain is mince and i'm no closer to answering your question :tearsofjoy:
 
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I guess I'll have to find out the :)
 
where did you get the super charger info ? i found lots of links to the eton site but none of them worked, its the 1320 charger is that right ?
 
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nice one XP thats tonights entertainment sorted
 
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I'm finally getting to use the extra boost fully.
Just a small tweak & I'll be getting full boost @ WOT to the limiter

RFP_AV is the bypass valve & how many degrees it is open 0 being the target of course

6tnvSQI.jpg


below is how much boost I was bleeding for comparison (the timing is higher as it was the 100RON map,but the boost bleed is the same )

xsdM594.jpg
 
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xpoweruk said:
I'm finally getting to use the extra boost fully.
Just a small tweak & I'll be getting full boost @ WOT to the limiter

RFP_AV is the bypass valve & how many degrees it is open 0 being the target of course

below is how much boost I was bleeding for comparison (the timing is higher as it was the 100RON map,but the boost bleed is the same )
Click to expand...

Hi mate. Just to clarify (and excuse my ignorance ) is RFP_AV what tells us the bleed? Also what about columns 4, 5 and 6. What do they tell us.

Time Stamp I believe shows the time and if it is what it is then man this is some drive you have done today. At this rate I am sure you are going to cover more miles than Columbus did when he discovered US of the A


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IGA_AD_KNK is cylinder engine knock detection & how much it ******* ignition.
Ignition Angle Actual is the amount of ignition advance after any knock is taken off the requested amount
Lambda can be converted to AFR
 
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I've added a chart for converting Lambda to AFR :)

Ubiv7As.jpg
 
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