GIAC Stage 2+ 991 Turbo S Takes on Cobb tuned 991 Turbo/Turbo S's at Atco!!!

Old Oct 18, 2015 | 02:40 PM
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Originally Posted by jyupitt1
Yes it is. Jmorgan asked for a more aggressive off the line tune.

But it is a lot smoother and linear compared to my file. Best of both world!

I hated your off-the-shelf map. It really was like an on off switch. When I drove it I actually took some videos of the pogoing on off boost. Just terrible.

John's map is so much better. Smooth and much faster.
 
Old Oct 18, 2015 | 03:58 PM
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I guess it's time to do some datalogging and reach out to my vendor!
 
Old Oct 18, 2015 | 04:22 PM
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Originally Posted by BLOWN SRT
I guess it's time to do some datalogging and reach out to my vendor!
Your car is going to fly my friend. Ben and I have you covered! The Y Pipe Will be there in a day and your intercoolers will ship Monday. Ben is going to give me your ROM ID and I'll send you the By Design stage 3 map. Can't wait to hear your review!
 
Old Oct 19, 2015 | 09:16 AM
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Originally Posted by sdg1871
Here are my videos from our October 7, 2015 Atco dragstrip rental.

1. Vs Cobb Stage 2 991 Turbo coupe driven by JohnMorgan. He murdered me out of the hole and I was pulling on him after the 1/8th. I got faster ET but he crossed the line first on a clean run. Great race.

GIAC Stage 2+ 991 Turbo S vs Cobb Stage 2 991 Turbo S - YouTube

3. Vs Cobb Stage 2 991 TTS Cab

GIAC Stage 2+ 991 Turbo S vs Cobb Stage 2 991 TTS Cab - YouTube

7. Vs Cobb Stage 2 991 TTS Cab. Great race. He got me from the hole and I reeled him in.

GIAC Stage 2+ 991 Turbo S reels in Cobb Stage 2 991 Turbo S Cab - YouTube
So from these videos it seems like the COBB cars are still pulling until the 1/8th, probably due to torque from the COBB tune. That's pretty impressive given that my car has Europipe exhaust and jyupitt has fabspeed catless exhaust, and the rest is stock. I'd love to see jyupitt1's car against you with his new custom COBB tune.

Your car starts to slowly gain in the second 1/8th, which means all the bolt-ons (intercoolers, IPD plenum, filters, diverter valves) are actually working. Thanks for uploading!
 
Old Oct 19, 2015 | 09:21 AM
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Originally Posted by jmorgan911
So from these videos it seems like the COBB cars are still pulling until the 1/8th, probably due to torque from the COBB tune. That's pretty impressive given that my car has Europipe exhaust and jyupitt has fabspeed catless exhaust, and the rest is stock. I'd love to see jyupitt1's car against you with his new custom COBB tune.

Your car starts to slowly gain in the second 1/8th, which means all the bolt-ons (intercoolers, IPD plenum, filters, diverter valves) are actually working. Thanks for uploading!
Yes you were definitely launching better which does indicate better traction and/or more torque. From driving it myself your car feels like it has a ton of torque.

As I recall one of your times for the 60 foot was actually in the 1.4 range which is outstanding. My best 60 foots were in the 1.5 range

The mods I have definitely make the car very different than it was when I had GIAC stage 2. It is especially evident at higher speeds where the car now pulls harder as opposed to before when it would just die and that you can now repeat runs over and over again without heat soak.

John's car will definitely be faster but it will never be as fast as yours due to the extra weight of the cabriolet. I'm guessing his best ET will be about 10.45 to high 10.4s.

You car definitely has the best Cobb stage 2 map out there. Smooth and fast. Should be the standard off the shelf Cobb Stage 2 map. It checks at the right boxes and was definitely faster than my car when it was GIAC Stage 2.
 
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