997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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Dyno day

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Old Jul 1, 2018 | 12:17 PM
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Dyno day

Had a great time at World Motorsports yesterday they got a legit setup there ,with there wind tunnel Awd dyno ,i did 3 pulls 1st one was 757whp 2nd was 715 whp & the 3rd was 764 whp with 734 tq on that last pull,i was pretty happy with those numbers ,here's a couple of videos of the day from my youtube channel shelby68kr & check out some of my other videos while your there my Ig is also twturbo https://www.youtube.com/channel/UCxo..._as=subscriber






 

Last edited by twturbo; Jul 1, 2018 at 02:47 PM.
Old Jul 1, 2018 | 12:29 PM
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Impressive results

How is the sound of that exhaust on the street - is it a cop magnet ?
 
Old Jul 1, 2018 | 12:35 PM
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Originally Posted by 08957
Impressive results

How is the sound of that exhaust on the street - is it a cop magnet ?
If you do i flyby of a Chippy on the side of the road yes, but if at low rpm its not obnoxious at all,the Bbi exhausts are top notch sound & quality.
 
Old Jul 1, 2018 | 01:08 PM
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Great meeting you and everyone else who made it there. I'll post my video shortly. Definitely agree the World facility and hospitality are top notch.
 
Old Jul 1, 2018 | 02:11 PM
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Originally Posted by twturbo
If you do i flyby of a Chippy on the side of the road yes, but if at low rpm its not obnoxious at all,the Bbi exhausts are top notch sound & quality.
I will never forget when I was sitting parked in a modified Evo in LA and the cop got out his digital camera and took pictures of every modification on the car and gave the owner a smog ticket of $2,200 LA is not very mod friendly at least to the Honda, Evo and Subaru contingent

Around here you have no problems as long as you are driving under 85. Very few exhuast tickets
 
Old Jul 1, 2018 | 04:46 PM
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Btw nice video. But you dont want to ever be in front of a car on a dyno if the exhuast burns the rear straps things get hairy. Dont ask. I've seen it a couple of times
 
Old Jul 1, 2018 | 05:18 PM
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Looking good with solid numbers
 
Old Jul 2, 2018 | 01:50 PM
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Originally Posted by SamboTT@ByDesign
Awesome Adam! Right up with the best few VTG cars in the world!
Thanks Sam & the guys at World Motors told me there dyno usually reads lower than Dynojet & Mustang dyno's & i know Bbi had to dial down my tune to make it safe for my stock motor ,so these hybrid 68 mm vtg Gt2 turbos seem to have more power on the table (for a built motor guy that wants to stay vtg) .I'm also still running stock headers & still have your inconnels sitting in a box ,i need to throw them on & go back to the dyno .
 
Old Jul 2, 2018 | 06:19 PM
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Originally Posted by twturbo
Thanks Sam & the guys at World Motors told me there dyno usually reads lower than Dynojet & Mustang dyno's & i know Bbi had to dial down my tune to make it safe for my stock motor ,so these hybrid 68 mm vtg Gt2 turbos seem to have more power on the table (for a built motor guy that wants to stay vtg) .I'm also still running stock headers & still have your inconnels sitting in a box ,i need to throw them on & go back to the dyno .
Very impressive numbers - anyway you can post up the dyno chart?

No doubt your car must feel very fast on the street
 
Old Jul 2, 2018 | 06:19 PM
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Here is my video. This is the 3rd pull of 3 which was the best one, but I noticed the 3 pulls were way more consistent this time with the .2/GT2 intercoolers and the i/c fans World added since last year.

547hp/570ft-lbs stock turbos w/ IPD, EP2, 997.2 intercoolers, EVOms pulley, Cobb OTS Stage2 tune

 
Old Jul 2, 2018 | 06:22 PM
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Originally Posted by campbellcj
Here is my video. This is the 3rd pull of 3 which was the best one, but I noticed the 3 pulls were way more consistent this time with the .2/GT2 intercoolers and the i/c fans World added since last year.

547hp/570ft-lbs stock turbos w/ IPD, EP2, 997.2 intercoolers, EVOms pulley, Cobb OTS Stage2 tune

https://youtu.be/iuQCpT9wLCI
Impressive - what octane fuel do you use? I notice you live near that nice hand car wash - amazing the cars I would see on a Sunday morning in that place - like a car show
 
Old Jul 2, 2018 | 07:11 PM
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Originally Posted by 08957
Impressive - what octane fuel do you use? I notice you live near that nice hand car wash - amazing the cars I would see on a Sunday morning in that place - like a car show
Thanks; I am currently running a Cobb off-the-shelf Stage2 93 octane tune and run a blend of 100 and 91 pump gas. I luckily have VP and Sunoco race fuel available right near home. I don't commute in this car so gas cost is not a worry; though if needed I can flash it back a California 91 tune.

Yep Lavaggio is a pretty nice place for high-end handwash/detail -- I actually had a 'subscription' there when I first bought my car, so I could have it washed as often as I wanted and sit there and have breakfast & coffee before work. It's a black car...
 
Old Jul 2, 2018 | 08:47 PM
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Originally Posted by campbellcj
Thanks; I am currently running a Cobb off-the-shelf Stage2 93 octane tune and run a blend of 100 and 91 pump gas. I luckily have VP and Sunoco race fuel available right near home. I don't commute in this car so gas cost is not a worry; though if needed I can flash it back a California 91 tune.

Yep Lavaggio is a pretty nice place for high-end handwash/detail -- I actually had a 'subscription' there when I first bought my car, so I could have it washed as often as I wanted and sit there and have breakfast & coffee before work. It's a black car...
One of my favorite places in the US - really nice canyon roads up there and the traffic is thinned out enough so its not an issue like further south

BTW - I was running the same OTS map for a while and I decided to try some custom tuning and I found some significant gains with that, not only in power but also in smoothness and feel

The only down side is you will be needing a clutch very soon if you get a custom tune on 100 octane - (I found out the hard way)

At least it was a good excuse to put some larger turbos in while I was at it



 
Old Jul 3, 2018 | 07:53 AM
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Yep; I am anticipating a clutch sometime soon and may go the custom ECU tune route as well as do a few more suspension tweaks + wheels/tires before leaving this car alone.
 
Old Jul 3, 2018 | 10:53 AM
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Originally Posted by campbellcj
Yep; I am anticipating a clutch sometime soon and may go the custom ECU tune route as well as do a few more suspension tweaks + wheels/tires before leaving this car alone.
That was what I was thinking also until I did the custom tune with Sam @ By Design and roasted my clutch so I figured why not do those bigger turbos as long as I was putting a clutch in it?

The custom tune made a huge difference - but be prepared to install a clutch if you get a custom tune on 100 octane - my car only just turned 14k miles and the clutch lasted one day with the custom tune
 

Last edited by 08957; Jul 3, 2018 at 10:57 AM.


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