996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

My road to 500 rwhp (hopefully)

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Old Jan 28, 2009 | 12:56 PM
  #61  
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Edwin, those are great results! Go easy on it and the clutch should last for a while. Practice what I like to call "mechanical empathy."

Mikelly- I feel your frustration regarding the negative responses often posted to people's acheivements. But there are too many big talkers on the internet to allow claims without good evidence to back it up. I think 6speed members have done a good job keeping the BS away. Unfortunately, sometimes the wheat goes out with the chaff.
The OP (M32) has done an admirable job in this thread. Methodical and scientific. He even started it without knowing the outcome. Few forum members have the ***** to do that.
 
Old Jan 28, 2009 | 01:18 PM
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I vote no more dyno sheets on the forum. Too subjective. Feel free to email or PM them to whoever want to see them, but we should only post 60-130's from now on, the REAL performance bench mark.
 
Old Jan 28, 2009 | 01:32 PM
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Originally Posted by roadsterdoc
Edwin, those are great results! Go easy on it and the clutch should last for a while. Practice what I like to call "mechanical empathy."

Mikelly- I feel your frustration regarding the negative responses often posted to people's acheivements. But there are too many big talkers on the internet to allow claims without good evidence to back it up. I think 6speed members have done a good job keeping the BS away. Unfortunately, sometimes the wheat goes out with the chaff.
The OP (M32) has done an admirable job in this thread. Methodical and scientific. He even started it without knowing the outcome. Few forum members have the ***** to do that.
Hi Chris,

Long time no see/talk. Hope all is well with the family!

I'll be the first to admit that I don't know everything (or much) about dynos, peak power, A/F ratio, etc but I'm definitely trying to learn as much as I can from members and friends so I'm definitely not out to make any unwarranted/baseless claims. I did try my best to do a before and after dyno to see what the real gains are, which is prob one of the biggest reasons why I went RWD so I can get dyno runs. This whole thread was really just for me to share with everyone what kind of HP gains I got with my mods and tune for my specific car.

All I know is that if you see these lights coming up behind you and you're in a camry and accord or anyother 4 dr jdm sedan, better watch out for me







Originally Posted by ttboost
I vote no more dyno sheets on the forum. Too subjective. Feel free to email or PM them to whoever want to see them, but we should only post 60-130's from now on, the REAL performance bench mark.
I was having this discussion with Powell but wouldn't there be variable factors in 60-130 times as well? Wouldn't someone running in cold NE weather have better times than someone in hot, humid tx?

Edwin
 

Last edited by M32; Jan 28, 2009 at 01:34 PM.
Old Jan 28, 2009 | 01:34 PM
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The erratic AF shows in you erratic power delivery. I think you will see a much smoother curve once the AF issue is resoled.

BTW do you have upgraded wastegates? They will really bolster your torque curve and will solidify your HP delivery.
 
Old Jan 28, 2009 | 01:36 PM
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Originally Posted by ari
The erratic AF shows in you erratic power delivery. I think you will see a much smoother curve once the AF issue is resoled.

BTW do you have upgraded wastegates? They will really bolster your torque curve and will solidify your HP delivery.
Ari,

Yes, I hope to resolve the AF issue soon. Powell is nice enough to meet up with me with his durametric cable to data log sometime this week. I'll definitely be posting updates as soon as I get them.

Yes, my WG are upgraded 1 bar via blouch Turbo

Edwin
 
Old Jan 28, 2009 | 01:46 PM
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Originally Posted by M32
Hi Chris,

Long time no see/talk. Hope all is well with the family!

I'll be the first to admit that I don't know everything (or much) about dynos, peak power, A/F ratio, etc but I'm definitely trying to learn as much as I can from members and friends so I'm definitely not out to make any unwarranted/baseless claims. I did try my best to do a before and after dyno to see what the real gains are, which is prob one of the biggest reasons why I went RWD so I can get dyno runs. This whole thread was really just for me to share with everyone what kind of HP gains I got with my mods and tune for my specific car.

All I know is that if you see these lights coming up behind you and you're in a camry and accord or anyother 4 dr jdm sedan, better watch out for me









I was having this discussion with Powell but wouldn't there be variable factors in 60-130 times as well? Wouldn't someone running in cold NE weather have better times than someone in hot, humid tx?

Edwin
Short of everyone being able to race everyone, There will always be a discrepancy comparing cars and their power potential, but I think a lot less than dyno numbers. Everyone here knows that dyno "numbers" are irrelivant. They are only good for that car on that dyno on that day to verify positive improvements. We do like to compare cars from the same dyno, but still not terribly accurate. Congrats on your car!!! Enjoy it!!
 
Old Jan 28, 2009 | 05:25 PM
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Congrats on the upgrade, Edwin! It's like getting a new car when doing HP upgrades like this.

Are you going to do any 60-130 runs? I would be very interested in seeing the results, and I'm sure many others would also. I'm sure someone in Houston has a P-Box they would let you use.

What are your impressions after switching to RWD? Is the car a lot more squirrelly? I'm thinking of doing this upgrade, but am hesitant to pull the trigger.

Congrats again, and enjoy in good health!
 
Old Jan 28, 2009 | 06:14 PM
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+1 on what Adam said. 60-130 times are long overdue for a k16/16g setup..It will be great to see these.

Congrats on the new setup...end of the day its the fact that you are enjoying the car more that matters ... I am sure Tony will work out your afr.
 
Old Jan 28, 2009 | 06:21 PM
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Adam, I should be up and running by the end of the weekend i'm thinking about giving RWD a shot i'll keep you posted.

Ed, I've got the line on a Driftbox let me know if you want to get some times.
 
Old Jan 28, 2009 | 07:13 PM
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Originally Posted by ttboost
I vote no more dyno sheets on the forum. Too subjective. Feel free to email or PM them to whoever want to see them, but we should only post 60-130's from now on, the REAL performance bench mark.
That's totally ridiculous. Dynos are not subjective at all. Yes there are factors that can underrate or overrate power and torque which have been discussed already. But they are very helpful for things other than max HP/TQ. For example, power delivery across the rpm range and the "area under the curve." You can't see that in a 60-130 time. Back to back testing as M32 did in the same facility under similar conditions will provide excellent information regarding modifications. Stop the nonsense people.
 
Old Jan 28, 2009 | 07:18 PM
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Originally Posted by Adam Bowles
Congrats on the upgrade, Edwin! It's like getting a new car when doing HP upgrades like this.

Are you going to do any 60-130 runs? I would be very interested in seeing the results, and I'm sure many others would also. I'm sure someone in Houston has a P-Box they would let you use.

What are your impressions after switching to RWD? Is the car a lot more squirrelly? I'm thinking of doing this upgrade, but am hesitant to pull the trigger.

Congrats again, and enjoy in good health!
Adam,

Thanks for the congrats After dinner, I took it out for a 20 min spin...with the moms... I warmed the car up and told her to hold on.... third gear at around 4500rpm is when I hear a "whooaa"

Here's my impression so far. I think the combination of 16g turbos and RWD is a must. I really like the pull when I ease into the throttle to full boost and its enough to put a in my face. My impressions of a RWD on a 16g car is like a porcupine (cute when it wants to be but can be a bad-a$$ when it's provoked). The RWD is very tame and easy to control around town and low boost but if I go full throttle, the rears will break loose with ease. If I ease into the throttle, the car just goes. I personally can imagine AWD on 16gs as nothing more than a exciting ride. this is more of a thrill ride.

I am not sure how RWD will be on the K24/18s. I'm sure it's managable but with such high HP, I"m curious to see how much traction one gets in full throttle. Granted, I'm just talking with no basis (I've never sat in one before) but I can just imagine 100 more hp than I have now... I think the rear would just be going all over the place. Granted there are some people here with that RWD K24/18 and prob love it and have no problems. Maybe it just takes getting used to? Enough guessing...anyone with this setup want to chime in?

Originally Posted by vbmw335
+1 on what Adam said. 60-130 times are long overdue for a k16/16g setup..It will be great to see these.

Congrats on the new setup...end of the day its the fact that you are enjoying the car more that matters ... I am sure Tony will work out your afr.
Originally Posted by bmoores
Adam, I should be up and running by the end of the weekend i'm thinking about giving RWD a shot i'll keep you posted.

Ed, I've got the line on a Driftbox let me know if you want to get some times.
In terms of 60-130 times, I dont' mind doing that but I prefer to do it in a controlled environment. I don't want to be driving 130mph down a public road... call me lame or a wuss but I won't put my life or more importantly other people's lives in danger

Ben, can it be done at MSR?

Edwin
 
Old Jan 28, 2009 | 07:19 PM
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Originally Posted by vbmw335
+1 on what Adam said. 60-130 times are long overdue for a k16/16g setup..It will be great to see these.

Congrats on the new setup...end of the day its the fact that you are enjoying the car more that matters ... I am sure Tony will work out your afr.

I highly recommend not running any 60-130 time until you are certain the car is running as well as it possibly can. We have many kits running current with out issue, Im not sure we have to work out an a/f issue, Im fairly sure we will have to work out an actual car issue.

If the car is running as well as Steve and Edwin say, Im sure its something minor.

The car is making about 540 crank currently, I would like to see it 565+ by the time we're done!
 
Old Jan 28, 2009 | 07:22 PM
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Originally Posted by Tony@epl
I highly recommend not running any 60-130 time until you are certain the car is running as well as it possibly can. We have many kits running current with out issue, Im not sure we have to work out an a/f issue, Im fairly sure we will have to work out an actual car issue.

If the car is running as well as Steve and Edwin say, Im sure its something minor.

The car is making about 540 crank currently, I would like to see it 565+ by the time we're done!
My tuner has spoken...no 60-130 times until the AF issue is fixed. Sorry guys

Tony,

When you say car issue, can you give me some examples of what may cause this? Intake?

Edwin
 
Old Jan 28, 2009 | 07:29 PM
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Originally Posted by M32
My tuner has spoken...no 60-130 times until the AF issue is fixed. Sorry guys

Tony,

When you say car issue, can you give me some examples of what may cause this? Intake?

Edwin

FPR wacky? Looked like some weird spiking...vacuum line on regulator?
 
Old Jan 28, 2009 | 07:31 PM
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Originally Posted by M32
My tuner has spoken...no 60-130 times until the AF issue is fixed. Sorry guys

Tony,

When you say car issue, can you give me some examples of what may cause this? Intake?

Edwin
I'd like to see you pressure test the car and data log in the next few days. As soon as we see results of both, we will have a good idea what direct to go!

Keep in mind I was also told there was very little air flow in the dyno room the car was tested in. It sounded like there was only enough fans for the radiators or the intercoolers but not both. Improper fan's on a 996tt can cause lower power out put and a/f discrepancies due. IAT correction is largely used for fuel correction in the ecu.....
 


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