TT (Mk1) Discussion Discussion forum for the Mk1 Audi TT Coupe & Roadster produced from 2000-2006

Yet another segment of.........

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Old Aug 2, 2006 | 10:35 AM
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Default Yet another segment of.........

Project TT. Second dyno run with Modshack VTDA and Forge Exhaust.<ul><li><a href="http://www.fourtitude.com/news/publish/Features/article_2399.shtml">Project TT Exhaust and Intake Dyno</a></li></ul>
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Old Aug 2, 2006 | 10:45 AM
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VERY comprehensive writeup. Nice gains on a Dyno!
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Old Aug 2, 2006 | 10:58 AM
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Default With peak power that low, you're defintely into some nice gains with more mods

Any logs during dyno and dyno graph itself? Just curious why the ECU may have shut down the turbo early. Maybe heatsoak. Nice results though.
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Old Aug 2, 2006 | 11:09 AM
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Nice write-up Joe, good work as always.
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Old Aug 2, 2006 | 11:30 AM
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Default Joe, when you change the plugs . . .

You might also consider throwing some new coil paks on there ($104 or so from ECS). I had random mulitple misfires on cyl. 3 that went away immediately with new coils (even though my coil paks had been replaced with the latest Bosch rev. E by the dealer a year or so ago). I've ditched the bad unit and am keeping the other three as emergency spares.

I'm also quite happy with the Denso Iridium IK22. Make sure the gaps are all perfectly even (and check to see how far out your old ones were). We'd love to hear follow-up on this to build our collective intelligence.
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Old Aug 2, 2006 | 12:10 PM
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Default Thanks for the suggestion - i'm most likely gonna change the packs as well.....

not sure what i'll do for plugs - stock or one range colder. Not like they're had to change but the damn pop on coil packs coupled with the N249 on top of the engine make it less than convenient.
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Old Aug 2, 2006 | 12:17 PM
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Default Dyno sheets here.....

You can definitely see what happened on the graphs.

New dyno:

<img src="http://www.fourtitude.com/gallery/albums//Features/Project%20Cars/Project%20TT%20Coupe/07%20Intake,%20Exhaust%20and%20Swaybar/Dyno%20Session/001.jpg">

New vs Original

<img src="http://www.fourtitude.com/gallery/albums//Features/Project%20Cars/Project%20TT%20Coupe/07%20Intake,%20Exhaust%20and%20Swaybar/Dyno%20Session/006.jpg">
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Old Aug 2, 2006 | 12:20 PM
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Default Didn't log during the dyno runs......

but I'm going to do some logs on my own as soon as it's cooler :-)
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Old Aug 2, 2006 | 12:34 PM
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nice article! btw, what were the ambient temps during the dyno runs?
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Old Aug 2, 2006 | 12:41 PM
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Low 70's if I remember correctly - slightly warmer than the first runs which were mid 60's
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