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Stroker + twin 67mm turbos = 718whp pumpgas daily driver

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Old Feb 4, 2008 | 06:31 PM
  #1  
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Default Stroker + twin 67mm turbos = 718whp pumpgas daily driver

We recently installed twin 67mm ball-bearing Precision turbos on Wongy’s 4.2l G35 coupe. The result was a surprisingly quicker spooling setup than the Turbonetics 60-1’s, with more power on tap. On pure 92 octane pump gas (no meth or water injection) we were able to safely achieve 639whp on our in-house DynoDynamics dyno and 719whp on a DynoJet.

Next, VP C16 race gas filled the tank and we began tuning for more power. A little more boost yielded 750whp DD, above which we had problems from the ATS/Carbonetics triple disc clutch. More to come down the road.

Details:
IP 4.2l VQ, IP stage 4 heads, BC 264 cams, L19 head studs, IP Girdle
Twin Walbros, RC 1200cc Injectors, IP Fuel rails and lines
Cosworth Plenum and SFR Intercooler
SFR Upgraded Burns collectors, Precision PT67 BB Turbos, Greddy exhaust
Haltech Platinum PnP EMS with boost control, AIM Race dash with Wideband,OilPres,FuelPres,Boost

VIDEO (20mb)




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Old Feb 4, 2008 | 06:45 PM
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how much boost?
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Old Feb 4, 2008 | 06:49 PM
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4500rpm's on that thing wakes up. Nice numbers...
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Old Feb 4, 2008 | 06:53 PM
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Nice #'s

BTW Nice article in TURBO!
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Old Feb 4, 2008 | 06:56 PM
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Originally Posted by doug
how much boost?
~19psi, and it makes full boost around 4300rpm
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Old Feb 4, 2008 | 07:08 PM
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very nice numbers
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Old Feb 4, 2008 | 07:26 PM
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Cool...700whp daily driver - what else do you need.
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Old Feb 4, 2008 | 07:28 PM
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very cool hal!! car looks fast as hell
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Old Feb 4, 2008 | 07:35 PM
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Pics of AIM dash Paleezzz
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Old Feb 4, 2008 | 07:41 PM
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god damn!
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Old Feb 4, 2008 | 07:54 PM
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Cheers for all the positive comments guys. Haven't really been able to drive her proper cause the weather is pretty terrible, but i can't wait. I'll try and take some photos of the AIM dash tomorrow and see if i can post em up.
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Old Feb 4, 2008 | 08:44 PM
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wow thats awsome. congrats
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Old Feb 4, 2008 | 08:53 PM
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Cool **** hal! good job guys..
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Old Feb 4, 2008 | 08:55 PM
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sick! more pics plz
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Old Feb 4, 2008 | 08:57 PM
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What were the problems with the triple disk? You say full boost by 4300, but I thought how to tell when full boost hits is to see when the TQ peaks? Is that wrong?
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Old Feb 4, 2008 | 09:03 PM
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Originally Posted by thawk408
What were the problems with the triple disk? You say full boost by 4300, but I thought how to tell when full boost hits is to see when the TQ peaks? Is that wrong?
tq peak isn't always where peak pressure is. It depends on a few things really, but the main thing is the natural efficiency of the engine and what rpms it happens at
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Old Feb 4, 2008 | 09:12 PM
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love it
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Old Feb 4, 2008 | 09:16 PM
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Originally Posted by Hal@IP
We recently installed twin 67mm ball-bearing Precision turbos on Wongy’s 4.2l G35 coupe. The result was a surprisingly quicker spooling setup than the Turbonetics 60-1’s, with more power on tap. On pure 92 octane pump gas (no meth or water injection) we were able to safely achieve 639whp on our in-house DynoDynamics dyno and 719whp on a DynoJet.

Next, VP C16 race gas filled the tank and we began tuning for more power. A little more boost yielded 750whp DD, above which we had problems from the ATS/Carbonetics triple disc clutch. More to come down the road.

Details:
IP 4.2l VQ, IP stage 4 heads, BC 264 cams, L19 head studs, IP Girdle
Twin Walbros, RC 1200cc Injectors, IP Fuel rails and lines
Cosworth Plenum and SFR Intercooler
SFR Upgraded Burns collectors, Precision PT67 BB Turbos, Greddy exhaust
Haltech Platinum PnP EMS with boost control, AIM Race dash with Wideband,OilPres,FuelPres,Boost

VIDEO (20mb)





thats pretty bad *** hal..nice video
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Old Feb 4, 2008 | 09:25 PM
  #19  
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Very nice!!!!!!
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Old Feb 4, 2008 | 10:03 PM
  #20  
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Very good looking G. Very nice setup congratulations on the numbers. Keep it up.
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