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Forged Performance: Alpha 10 GT-R Pump Gas + 957whp C16

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Old Jan 31, 2012 | 06:36 AM
  #1  
Chadbee@Forged's Avatar
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From: Atlanta, Ga
Forged Performance: Alpha 10 GT-R Pump Gas + 957whp C16

We've had the pleasure to work on many of Doug's fun project cars over the years, but this one is definitely the pinnacle of his collection. His car made it back down to us from his home in Illinois after only being back in his hands for a few months. His previous 630 whp setup just wasn't enough to satisfy his need for power. He wanted a true street monster that would wax just about anything in its path while still being a civilized daily driver. The heart of the build consisted of an AMS Alpha 10 setup paired with our FP1-R 3.8L in-house assembled power plant capped with a pair of our FP Spec big valve cylinder heads. With these power goals in mind, several areas need to be upgraded including the engine, transmission, brakes, suspension, wheels and tires...the works.

Many of you recognize our tradition of building balanced track worthy cars that can still be driven daily. When tasked with building a very fast street car, our balanced philosophy is no different. We added a properly sprung set of JRZ RS Pro Silent Edition Coilovers, our Forged Performance Extreme Performance Sway Bar Set with Racing End Links, Endless MX72 brake pads, and a custom spec'd set of 20X10 20X12 HRE wheels wrapped in a square set of Michelin Pilot Super Sport Tires 315/35/20. We even installed a discrete Passport 9500ci radar detector and laser jammer to offer some modicum of protection from the law. The acceleration is neck snapping while the handling remains razor sharp. Our transmission shifts superbly on the upshift and downshift, responding instantaneously to the paddles. There is a lot to be said for a car that not only makes tremendous power, but can also effectively lay it down to the ground and that's what we've accomplished here.

While we were planning this project, we knew this car was going to be a beast, but we weren't quite prepared for the end result, especially since we consider this a fast spooling balanced daily driven setup. After Sharif worked his magic in front of his Thinkpad, we made an incredible 838 whp @ 24psi on 93 octane on our low reading Dyno Dynamics! Like most shops that use unlinked dyno rollers, we ran the car in 2wd mode in order to preseve the front drive clutches. We were not 100% sure, so we had to confirm with AMS that this was in fact the highest WHP Alpha 10 on 93 octane to date. This car also made 957 whp @ 30psi at 8000rpm on C16 before our dyno gave out. Until we update our dyno software and run larger gauge power cables to the dyno, It appears we are going to have to go to another local dyno to complete the race gas tune on this monster. Stay tuned for updated race gas numbers in the near future! With 5psi left to go, it's no doubt this beast has more room to run.



Performance Modifications:
Forged Performance FP1-R Shortblock
FP Spec ARIAS Extreme Duty Zero Silicon Pistons
Manley Turbo Tuff I-Beam Rods
Forged Performance Stage 5 Ported and Polished Heads and Bronze Valve Guides
Tomei 272/272 ProCams VR38 Camshafts
Ferrea VR38 Full Valvetrain Kit w/ 1mm Oversized Valves
ARP L19 Head and Main Studs
HKS Head Gasket
AMS Alpha 10 Turbo Kit
AMS GT-R FMIC Kit
AMS GT-R Alpha IC Piping kit
Injector Dynamic 2000cc injectors
T1 Race Development Fuel Rails
FP Spec Fuel System with -8 Line Upgrade
CBRD Radiator
GTC 102mm Titan Exhaust & Y Pipe
PPG 1st Gear
FP Spec Stage 4 Dodson GR6 Upgrade Package (Promax Clutch, PPG 1st gear)
Transmission Assembly and Overhaul Performed In House at Forged
Cobb AccessPort w/ TCM

Other Upgrades:
JRZ RS Pro Silent Edition Coilovers
Password JDM 38mm Wide Front Fenders
HRE P40 20x10.5/20x12 Flat Black
Michelin Pilot Super Sport 315/35/20
Escort 9500CI Laser Shifter & Radar Detector Kit
Forged Performance Extreme Performance Sway Bar Set
Forged Performance Racing Stainless Steel Brake Line Kit
OS Giken Rear TCD Differential

Pictures of the work:





















93 Octane:


C16 Racegas:
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Old Jan 31, 2012 | 06:41 AM
  #2  
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From: york, pa 17402
wow-

awesome stuff guys-

thanks for using the radiator!

cb
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Old Jan 31, 2012 | 06:51 AM
  #3  
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RWD? Am I missing something?
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Old Jan 31, 2012 | 08:06 PM
  #4  
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You are missing front wheels spinning
They run car in 2WD.

Not to be an *** to Forged... but most R35's I've seen, were dyno in 4WD. So considering your dyno was set in 2WD mode for that run. You should deduct about 10% to compare this run with any R35's run in AWD.

So:
Pump gas 838-10%=754.2WHP

Let's be generous and let's say 5%
838-5%=796AWHP Pump
957-5%=909AWHP C16

That's your record.

And as far as your "super low reading dyno" argument. I've seen a while ago a GTR that was tuned at your shop with supposedly 500+ AWHP (Access port) and same car few days later was making only 425AWHP on other Dyno Dynamics dyno. (to make it clear owner was just trying to dyno on other DD for comparison)
My car was making similar power there and on any other DD I was on before so I know for certain their dyno was set properly. Which brings me to conclusion that your dyno is only as "low reading" as you want it to be...

And if you want to prove me wrong. Run car in 4WD same boost, pump gas. But post a full dyno file not just graph. So we can see all the parameters, temperature, pressure, correction etc.
Then we'll see how much of a record we have here.

An to put it in perspective:

http://www.youtube.com/watch?v=korSQULq7po

HKS GT800 on HKS dyno
If you look at the dyno graph from their runs you will see that:
HKS R35 GT800 makes:
- 200ps more at 4000rpm
- 75ps more at 5000rpm
- and same power at 7K rpm that your car makes

Which means that you have accomplished to tune R35 with no low rpm power and torque. Congratulations. I will leave you with this to contemplate...

Last edited by EVO-VI-TME; Jan 31, 2012 at 10:45 PM.
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Old Feb 1, 2012 | 05:31 PM
  #5  
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Someones a little butt-hurt about a high HP GTR!

The fact of the thread is that it is the highest reading Alpha 10 / 93oct GTR to date. And that is exactly what it is.

Nice work Forged!
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Old Feb 1, 2012 | 06:13 PM
  #6  
EVO-VI-TME's Avatar
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Originally Posted by blknblubkrdude
...The fact of the thread is that it is the highest reading Alpha 10 / 93oct GTR to date...
It depends who's reading... That's the whole point.

For 2WD GTR maybe
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Old Feb 2, 2012 | 07:42 AM
  #7  
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From: West Chicago
Great Job Guys!
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Old Feb 2, 2012 | 05:26 PM
  #8  
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Originally Posted by blknblubkrdude
Someones a little butt-hurt about a high HP GTR!

The fact of the thread is that it is the highest reading Alpha 10 / 93oct GTR to date. And that is exactly what it is.

Nice work Forged!
If what EVO-VI-TME claims is true, then these dyno #'s is crap. Also, keep in mind that Forge is quite shamless with their spam-ing of almost every automotive forum with their junk.
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Old Feb 3, 2012 | 04:49 AM
  #9  
domestickillaAR's Avatar
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From: Rogers AR
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Old Feb 3, 2012 | 07:28 AM
  #10  
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From: STL
The douchery of people blows my mind. The fact that they would take the time to post it in the other cars section in a non GTR forum means they just wanted to share thier exciting news.

Thanks for sharing the GTR looks sick and I bet it feels awesome
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Old Feb 3, 2012 | 07:56 PM
  #11  
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Originally Posted by HiI'mDustin
The douchery of people blows my mind. The fact that they would take the time to post it in the other cars section in a non GTR forum means they just wanted to share thier exciting news.

Thanks for sharing the GTR looks sick and I bet it feels awesome
lmao. "they just wanted to share their exciting news" , it's a commercial you ding dong
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Old Feb 3, 2012 | 08:53 PM
  #12  
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From: deltona
Originally Posted by HiI'mDustin
The douchery of people blows my mind. The fact that they would take the time to post it in the other cars section in a non GTR forum means they just wanted to share thier exciting news.

Thanks for sharing the GTR looks sick and I bet it feels awesome
Then share just the news(facts only) not(our low reading dyno) which is subjective and (record setting) in 2wd might be a record for 2wd. State facts and people will be impressed.
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Old Feb 4, 2012 | 10:09 AM
  #13  
EVO-VI-TME's Avatar
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Originally Posted by localtoys73
Then share just the news(facts only) not(our low reading dyno) which is subjective and (record setting) in 2wd might be a record for 2wd. State facts and people will be impressed.
My point exactly. That's why, I wanted to compare them to other great tuners like HKS. And compare dyno plots, then you can see quality of tune, not just a peak number. And you can also see how car delivers the power. That's what makes it a great tune.

Anyway. Interesting thing, I also responded to them on EVO X forum, however Forged didn't like my comments so much, so they made Admin censor 5 pages of 10 pages long thread, and banned me from forum. For just asking questions, and making comparison of their tune to other cars. Fortunately I saved all missing pages in offline mode before they got "censored".
So nobody can claim that I said something I didn't.
This way they can't make it sound like I was rude or bashing on them.

Back on the subject. If we really need to brag about numbers. Actually I found video of HKS GT800+ which is pretty much the same kind of kit as Alpha10. Video is from jun22 2011.
Compare both numbers and the most importantly both dyno graphs to see how both cars are tuned. Everybody can make their own judgement on this:

http://www.youtube.com/watch?v=WrGKJ..._order&list=UL

And forum is not just a place to advertise, but most importantly it's a place for us to have questions and exchange knowledge.
Am I right ladies and gentleman?
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Old Feb 4, 2012 | 03:28 PM
  #14  
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From: williamson, WV
Originally Posted by domestickillaAR
this, and i just nutted in my pants
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