"AUDacIouS4" Allroad Prescision Turbo 5558 build

[Zach L]

That ATP log-style manifold has proved problematic on many BT builds on VW applications due to turbulent flow characteristics. It just doesn't flow well as it's a crude and not very well engineered piece. That said, this is awesome that you're going the BT route on this platform and I wish you ease and success! I'll be following this closely just as I have many other FSI/TSI builds over the last decade.

I would use UM over GIAC if both were making the same offer, but in this case I think it was wise to go GIAC so long as they make good on their promise.

[AUDacIouS4]

That ATP log-style manifold has proved problematic on many BT builds on VW applications due to turbulent flow characteristics. It just doesn't flow well as it's a crude and not very well engineered piece. That said, this is awesome that you're going the BT route on this platform and I wish you ease and success! I'll be following this closely just as I have many other FSI/TSI builds over the last decade.

I would use UM over GIAC if both were making the same offer, but in this case I think it was wise to go GIAC so long as they make good on their promise.

Your absolutely right about the ATP manifold. It's design is less than ideal. However, for power levels under 450whp it's design flaws don't seem to be a hindrance for the MK6 guys. That A4 big turbo build in Kenya and the A5 one in the UK used that manifold and made almost 500whp. Certainly a custom equal length tubular manifold would be the best, I just didn't want to drop $1200 on one at this stage in the game. I think 400whp is a modest goal in the grand scheme of things.


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[Zach L]

Your absolutely right about the ATP manifold. It's design is less than ideal. However, for power levels under 450whp it's design flaws don't seem to be a hindrance for the MK6 guys. That A4 big turbo build in Kenya and the A5 one in the UK used that manifold and made almost 500whp. Certainly a custom equal length tubular manifold would be the best, I just didn't want to drop $1200 on one at this stage in the game. I think 400whp is a modest goal in the grand scheme of things.

Actually I got an offer from Eurodynamic to dyno tune my setup. They are eager to break into the Euro market and have done some big turbo Mk6 tunes already. I'm confident they can dial in a safe, reliable tune for me.

I'm getting my downpipe and turbo inlet fabbed up next week so stay tuned.

I'm really interested in the fueling and tuning aspects of your build, and it looks like you've done the preliminary homework. The hardware stuff is all pretty available and straightforward. If your goal is 400whp WITHOUT the use of water/meth or e85 than that makes me smile. From a hardware perspective, your setup should be able to make 400whp on 93 octane using just the 5 injectors, or possibly even just 4 injectors, but people always want to take a shortcut using w/m or e85. That's all good, but some people don't want to mess with w/m on a daily driver. IMO, an e85 tune should be a "plus" tune over the everyday power goal that can be had using just 93 pump gas.

[AUDacIouS4]

I'm really interested in the fueling and tuning aspects of your build, and it looks like you've done the preliminary homework. The hardware stuff is all pretty available and straightforward. If your goal is 400whp WITHOUT the use of water/meth or e85 than that makes me smile. From a hardware perspective, your setup should be able to make 400whp on 93 octane using just the 5 injectors, or possibly even just 4 injectors, but people always want to take a shortcut using w/m or e85. That's all good, but some people don't want to mess with w/m on a daily driver. IMO, an e85 tune should be a "plus" tune over the everyday power goal that can be had using just 93 pump gas.

I should easily be able to hit 400whp, even with our CA crap 91. I already have meth, mainly for cooling, and I am definitely going to take advantage of the E85 tuning for the track.
Here is my mustang dyno from October. I'll be getting tuned on the same dyno so I'll have a good baseline.

The meth gave me a few hp up top while running 60% Ethanol those runs.



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[AUDacIouS4]

That ATP log-style manifold has proved problematic on many BT builds on VW applications due to turbulent flow characteristics. It just doesn't flow well as it's a crude and not very well engineered piece. That said, this is awesome that you're going the BT route on this platform and I wish you ease and success! I'll be following this closely just as I have many other FSI/TSI builds over the last decade.

I would use UM over GIAC if both were making the same offer, but in this case I think it was wise to go GIAC so long as they make good on their promise.

I love you and hate you for this information. I read a bunch of those Vw vortex links regarding the ATP manifold and decided to return mine. Now on the hunt for something else. Contacted VF engineering to see if they have any of their 2.0t manifolds collecting dust somewhere. There is JDL design $$$. Also contacted Bluewater performance about making another "slowone" manifold.

Other than that, here's an idea: take a OEM manifold, cut the turbine housing off and weld on a T3 flange and wastegate flange.

Buy once cry once??

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