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Old 01-30-2007, 08:22 AM
  
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So is the kit 'stage II'? What's the expected whp @ the $5k price (bang for the buck)? Sounds pretty good!
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Old 01-30-2007, 08:55 AM
  
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260WHP-270WHP that is the plans and HOPES
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Old 01-30-2007, 10:27 AM
  
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260 WHP is about 314 BHP
265 WHP is about 320 BHP
270 WHP is about 326 BHP
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Old 01-30-2007, 10:37 AM
  
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Still sounds pretty good. Hahn stage III (if we ever get it) is supposed to get to 280whp (340 bhp) and the cost will end up around $5k (I think) but doesn't include the high flow cat. On the Hahn web site the stage III info/dyno indicates 15psi boost to get to those numbers and probably not with pump gas. By the time stage III is dialed down to something that can handle stock internals and pump gas the boost might be dropped to 12-13 psi and the output might drop to (?)!
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Old 01-30-2007, 11:07 AM
  
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These guys who are building my turbo, dont really want to push more then 8psi. They are really aiming for 6psi, because the motor will last a life time only running 6psi. So those are all the hopes and dreams, Pm me if you want the pipes and parts list. There are soo many parts that are needed to make this turbo kit, it will blow your mind away.
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Old 01-30-2007, 11:54 AM
  
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I dyno'd my car on 93 octane PUMP gas and very conservative timing and air fuel. at 1 bar(14psi) it put down 260whp(320 crank) and at 1.4bar(20-21 psi) it put down 322whp(380 crank). Next up is a race gas map pushing 25psi with more aggressive timing for the higher octane. I see no reason why i cant see 400whp out of the car with these parameters... the best part of everything is the power band with 300+whp from approx 4200-7000 rpms. I'll post the dyno overlays possibly tonight.
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Old 01-30-2007, 12:28 PM
  
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from what I know, we are only going to be using 91oct gas. Because that is what I fill up with most of the time. Unless they up it to 94oct. I am not 100%. Also we can do any kind of numbers. They have 160oct sitting in their back room for their race car.
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Old 01-30-2007, 01:16 PM
  
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Boosted.

Ya think 14psi is about it for stock internals?
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Old 01-30-2007, 02:16 PM
  
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Boosted.

Ya think 14psi is about it for stock internals?
I was thinking anything over 12psi running it hard a few times, and I dont think the motor would be able to handle it. Also you have a smaller turbo, So it might need more PSI to push the turbo harder ?? I am not sure, this is going to be my first turbo car ever.

I JUST CANT WAIT TO GET IT BACK
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Old 01-31-2007, 10:34 AM
  
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Boosted.

Ya think 14psi is about it for stock internals?

in my experience the factory rods are getting pushed at 14psi+. for any engine longevity i'd keep boost at 11-12psi and below. My car has a built lower compression motor and I'm driving daily on it at about 21 psi which is as high as Im going to go on pump gas. on race gas I may tune a 25psi map this weekend and shoot for 400whp.
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Old 02-02-2007, 06:07 AM
  
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Still sounds pretty good. Hahn stage III (if we ever get it) is supposed to get to 280whp (340 bhp) and the cost will end up around $5k (I think) but doesn't include the high flow cat. On the Hahn web site the stage III info/dyno indicates 15psi boost to get to those numbers and probably not with pump gas. By the time stage III is dialed down to something that can handle stock internals and pump gas the boost might be dropped to 12-13 psi and the output might drop to (?)!

The answer is:
260-265 whp @ 12 PSI
265-275 whp @ 13 PSI

That is my experience on 93 PUMP Gas W/high flow CAT
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Old 02-02-2007, 08:03 AM
  
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The answer is:
260-265 whp @ 12 PSI
265-275 whp @ 13 PSI

That is my experience on 93 PUMP Gas W/high flow CAT

wow that is alot of psi on to make all the power. I hope the people doing my kit make that power with the turbo they ar putting into the car, with only 8psi or less.
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Old 02-02-2007, 09:47 AM
  
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wow that is alot of psi on to make all the power. I hope the people doing my kit make that power with the turbo they ar putting into the car, with only 8psi or less.

Actually, it is anything but a lot of psi, imo. And not trying to rain on your parade, but I doubt it. Look around a bit, and you'll find the lbs/min to hp equations that will give you some pretty good ballpark estimates of your power. It's a 175bhp engine, and let's say an arbitrary 185bhp with a full exhaust system. My guess is @ 1.54pr (8psi) you will get in the 285bhp range. From what everyone seems to say are drivetrain losses for this application - ~235whp.
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Old 02-02-2007, 11:06 AM
  
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wow that is alot of psi on to make all the power. I hope the people doing my kit make that power with the turbo they ar putting into the car, with only 8psi or less.

Boost is only a measure of restriction ie a smaller turbined and or compressored turbo will require more boost to make the same power as a bigger turbo BUT it will have a quicker spool and in a properly sized situation(such as the turbo I use on my car) you will get a wide flat power curve, for instance on my car at 14 psi I put down 260whp but the car maintained 250+ or so hp from 4000-7000 rpm. My tune is pretty conservative as its my daily driver so the timing and fuel are tame BUT, i could easily get another 20-30whp by just getting more aggressive with the pump gas map or go crazy with a race gas map. I have worked with the ecotec as well as other 4 cylinder turbo'd vehicles for the last 20 years of my life(1st car was a shelby GLHS ) and have used turbos ranging in size from KKK Ko3's all the way up to gt42's and T72/76's, one thing i learned and this is partly personal is that a wider flatter powerband will make for a "funner and faster" street car. secondly all dyno's are different you cant compare any cars dyno to another take dynos with a grain of salt. A vehicles 1/4 mile trap speed and direct side by side runs is the only way to compare performance from one car to another. any hahn, gxp or other turbo cars that would like to meet up and do some rolls will quickly show what i mean

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Old 02-06-2007, 08:39 AM
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Are you running a boost controller with your Hahn beta stage XXX?
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