996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Dropping my car off at TPC Racing next week..

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Old Mar 10, 2010 | 09:12 AM
  #76  
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That is so, so wrong....My EYES, MY EYES!!!!!
 
Old Mar 10, 2010 | 10:04 AM
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Originally Posted by ttboost
Updates??? Baselines???
Whatever the baseline is...it'll be LOW. 93 octane without meth.
 
Old Mar 10, 2010 | 10:05 AM
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Originally Posted by PAULIEWALNUTS
OH my a front license plate on a beautiful GT2 Blasphemy I tell you,Blasphemy.
It's removable. No biggie.
 
Old Mar 10, 2010 | 10:28 AM
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Longest dyno ever! LOL!

If I were there it would have all sorts of numbers posted. I was blowing tires off on Boost Logic's dyno within 30 minutes of being there when I was doing the original EPL tune.
 
Old Mar 10, 2010 | 11:49 AM
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You guys are very impatient...

Car made a good 515whp on pump gas at .9bar.

http://www.youtube.com/watch?v=ehhOU5HV9ao

We have lots of room to work and these intercoolers are going to make a great difference with pressure drop.
 
Old Mar 10, 2010 | 12:28 PM
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Originally Posted by Divexxtreme
Whatever the baseline is...it'll be LOW. 93 octane without meth.

Ouch, that stung......I didn't always have Meth??
 
Old Mar 10, 2010 | 12:44 PM
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Very impressive baseline number. Looking forward to hear more around 1.75bar
 
Old Mar 10, 2010 | 12:56 PM
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Why baseline it on such low boost? Isnt it safe to test it at about 1.2bar on pump?
 
Old Mar 10, 2010 | 01:12 PM
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Originally Posted by Casey@TPCRacing
You guys are very impatient...

Car made a good 515whp on pump gas at .9bar.


We have lots of room to work and these intercoolers are going to make a great difference with pressure drop.
Casey- what turbos are these?
 
Old Mar 10, 2010 | 01:27 PM
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Originally Posted by Tony@epl
Casey- what turbos are these?
According to Scott in a previous post

"Current power setup is hybrid TO4B turbos, Protomotive intake, Proto headers, 60lb injectors, piggy-back fuel pump, welded together stock ICS, and Switzer exhaust."

The baseline was done as the car rolled in. Boost controller turned off and on pump fuel.

What we will be providing is the ideal tuning for pressures that work best on Pump Fuel, 100 and 109oct. This is what is requested by Scott.

Optimally tuning the car on the current setup would be interesting to see the before and after at all octanes but that is incredibly time intensive.

I will post more pictures at we progress but next will be the new 127mm Hybrid core Blitzkrieg coolers and then Mike and Todd going back and forth working on optimal tunes.

Jamie came in today to watch some of the tuning as we set his 996TT up for some DE work this coming weekend.







 
Old Mar 10, 2010 | 02:02 PM
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Casey,
Was dyno done in 3rd gear? Those turbos wake up quick.
 
Old Mar 10, 2010 | 02:04 PM
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Originally Posted by MBailey
Why baseline it on such low boost? Isnt it safe to test it at about 1.2bar on pump?
Mike,

The car has 5 gallons of 93 it now. Once the new ICs are installed, we will re-dyno at the same boost and see if tthere's a difference. Then, they'll turn the boost and tune the car (if needed) on 93 to see how much power I can make on that octane. I'm not concerned if we extract every possible HP at this level, since I won't be running 93 very often. Maybe 5% of the time.

They'll then drain the tank, and dump in the 5 gallons of 100 octane I gave them. Since I can inexpensively get this fuel out of a pump near my house, it's the fuel I'll be running 90% of the time on the street. They will crank the boost up and (retune if necesary) to maximize my power on 100. I want every last bit of power I can get with this fuel.

Once they're done with 100, they'll start pouring in the 110 leaded that gave them until they hit 1.7ish BAR and we see what she makes at that level. That will be my dragstrip/60-130/"racing against a very fast car" fuel. I'll probably run it 5% of the time.

That said, the car is strong even with the EBC off. The previous owner also owned a 997 GT2 and raced it against my car with the EBC off on pump gas. He said that even at that level, my car put multiple lengths on his 997 GT2.
 

Last edited by Divexxtreme; Mar 10, 2010 at 02:18 PM.
Old Mar 10, 2010 | 02:08 PM
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Originally Posted by art4iza
Casey,
Was dyno done in 3rd gear? Those turbos wake up quick.
The dyno was done in 4th gear. We traditionally dyno in 4th gear as it is the closest to 1:1.
 
Old Mar 10, 2010 | 02:42 PM
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Originally Posted by Casey@TPCRacing
According to Scott in a previous post

"Current power setup is hybrid TO4B turbos
Like Garrett T-60's with a .69A/R?
 
Old Mar 10, 2010 | 02:43 PM
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Hmm... when i saw a few other places dynoing p cars,like EVOMS , they put fans right at the side duct/inlets and infront of the car also...

this way i see on the vid it doesnt seem that there is any air going into the intercoolers and in scotts case no air really hitting his filters ?
 


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