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Old 07-03-2003, 10:39 PM   #1
Jay04WRX
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Unhappy 04 WRX w/ TXS stage 2 dyno results

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Last edited by Jay04WRX; 07-04-2003 at 08:59 AM.
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Old 07-03-2003, 11:12 PM   #2
jpaj88
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Default txs stage 2

Thats not too good, I think 230 whp is common with stage 2.
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Old 07-03-2003, 11:15 PM   #3
Jay04WRX
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Default Re: txs stage 2

Quote:
Originally posted by jpaj88
Thats not too good, I think 230 whp is common with stage 2.

yea but my car didnt break 202 wheel HP
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Old 07-03-2003, 11:42 PM   #4
Camperguy
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Question

Is that a U-Tec or Unichip TXS stage 2? I got 227whp with a stage1 TXS unichip

Was it tuned or just the stock map? Waht are you running for gas?


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Old 07-03-2003, 11:46 PM   #5
Jay04WRX
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yea I dont get it, it was tuned and dyno'd and I have a stage 2 TXS kit and was running 93 octain with the Utec. Was it maybe the diff dyno machine? i am


They had a dynojet 3300 I think it was where they took the wheels off the car, put the car on a lift and hooked each wheel base into a machine....


p.s. no bill its 5 speed
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Old 07-03-2003, 11:48 PM   #6
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Question

Maybe...I heard some dyno`s read different than others....Is it an auto?


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Old 07-04-2003, 12:19 AM   #7
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Jay, you still running that silly 14psi, or did you raise it up yet?
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Old 07-04-2003, 12:43 AM   #8
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Don't compare dyno runs from the DynaPack at XXTuning with the DynoJet at Pruven!

The DynaPack reads lower...DynoJets are famed for reading higher (same as Mustangs are)...

Also bear in mind that run at Pruven was back in April when the weather was much cooler - i.e. denser intake charge = more power.

The only real way to validate any kind of tuning/mods is before & after runs on the same dyno in similar weather conditions.
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Old 07-04-2003, 01:27 AM   #9
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Sorry I wasn't there to chill with you today Jay. I was sleeping all day.

Like Simon said though, comparing those two dyno’s is like comparing apples to oranges. I remember a thread a little while back in FFI about people across the country that were getting lower numbers then they “thought” they were going to get. You can appear 6 foot 2 by standing on the tips of your toes but at the end of the day you’re still 6 even.

Keep a few things in mind… We tune on the side of safety. It’s a daily driver, not a race car. We tend to not make the maps too aggressive only because we don’t want to harm your motor. We’d rather have someone come back to she shop and say, “I don’t think I’m making the correct power” rather then someone being driven back saying, “What the heck? There’s smoke pouring out of the turbo and a rod sticking out the side of my motor”

Also what were the temps and boost? Those play a huge effect on the max HP and torque.

Just give a call over to the shop and talk to Danny. I know he’d be more then happy to talk to you and help you out.

Quote:
They had a dynojet 3300 I think it was where they took the wheels off the car, put the car on a lift and hooked each wheel base into a machine....
We have a Dynapack 5500. It connects directly to the hubs.

Let us know if theres something we can do to help.
-Rob
rob@xxtuning.com
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Old 07-04-2003, 06:09 AM   #10
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Its true man,dont be disheartend.Dyno`s do read different and temp/humid do play a part in it.I know that a stock EVO was running 229hp on the dyno that I was tuned on and stock EVO`s make less horespower than that and it was pretty cool that day around 80 with low humidity and It was a third gear run which a unichip only pulls 14.5psi so I`m sure it was reading waaaaaay high .




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Old 07-04-2003, 08:57 AM   #11
Jay04WRX
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Quote:
Originally posted by Ugly

Also what were the temps and boost? Those play a huge effect on the max HP and torque.

Just give a call over to the shop and talk to Danny. I know he’d be more then happy to talk to you and help you out.

rob@xxtuning.com


well they did more then 6 pulls on the dyno and it was running rich from about 5400-5700 RPM's and I dont know if thats normal or not for a TXS setup. The boost was set at 15.5PSI and I honestly dont know what the temps where.

I mean if the kid at Pruven with a stage 1 was getting more HP then my setup something is def wrong. He got 20 more wheel HP then me without an up-pipe, and turbo back.

Different Dyno's produce different numbers yes but such a drastic differenct? I was told I should be realistically around 220-230 wheel HP and about 275+ crank HP.

I am not saying that it is tuned wrong but maybe tuned a little too conservative. What do you think?
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Old 07-04-2003, 09:09 AM   #12
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Jay, I'm also thinking those numbers are a bit off, but I have a pretty easy way to find out: stop by sometime and compare with my car. I'm running txs stage 2 (unichip) with their up pipe, and pulled numbers just less than Bill at Pruven in May: 223 whp.

Personally I'd be more concerned with how smooth your car is running than max numbers: with a pro tune and utec it should be smooth as glass.

Paul
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Old 07-04-2003, 09:22 AM   #13
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Take it to the track?

~v6
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Old 07-04-2003, 09:32 AM   #14
Jay04WRX
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Quote:
Originally posted by V6TurboTA
Take it to the track?

~v6


tomorrow I am going to e-town for summer slam and I may run it there
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Old 07-04-2003, 12:39 PM   #15
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I wouldn't be too dissapointed, wait untill there is a nice cool day out and take it back to the dyno to get it retuned. My car dynod at 267 whp, but that was in 91 degree weather with high humidity. I was dissapointed too, but that was beacuse the weather played a huge part. You would be suprised how much horse power you can loose on a hot day, with high humidity. I should have at least another 20 horse to the wheels, so as soon as it gets nice and cool, i am taking it back to get re-dynod, and fine tuned. My suggestion is to do the same, i plan on trying to get up to xx-tuning on the 19th, to see phil, so i am hoping the weather will be nice.
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Old 07-04-2003, 01:46 PM   #16
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Quote:
Originally posted by Jay04WRX




well they did more then 6 pulls on the dyno and it was running rich from about 5400-5700 RPM's and I dont know if thats normal or not for a TXS setup. The boost was set at 15.5PSI and I honestly dont know what the temps where.

I mean if the kid at Pruven with a stage 1 was getting more HP then my setup something is def wrong. He got 20 more wheel HP then me without an up-pipe, and turbo back.

Different Dyno's produce different numbers yes but such a drastic differenct? I was told I should be realistically around 220-230 wheel HP and about 275+ crank HP.

I am not saying that it is tuned wrong but maybe tuned a little too conservative. What do you think?
Kid? I`m 37 I have alittle more than just a st1 setup.I also have an up-pipe and Samco hoses and am running 94oct gas.Smooth is not really how I would describe a unichip but for what I have invested I`m pretty happy.U-Tec should be way smoother.


Bill
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Old 07-04-2003, 02:01 PM   #17
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Hey bill i have a visnhu emi harness for sale if you want to make that unichip run a little more smoothy. Let me know.
Moose
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Old 07-04-2003, 02:12 PM   #18
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Thanks Moose but I have the TXS plug/play harness already installed.






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Old 07-04-2003, 03:25 PM   #19
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Quote:
Originally posted by MooseWRX
Hey bill i have a visnhu emi harness for sale if you want to make that unichip run a little more smoothy.
How does a harness make a unichip perform better?
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Old 07-04-2003, 03:49 PM   #20
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So, what was your baseline WHP and TQ?

Your tune's accuracy is pretty useless without that information.

That's your answer to all of this, and if you didn't do a baseline run (or about 10 1/4-mile passes on different days) before your stage 2 setup, you really have nothing to go on.

For all you know your car could have baselined at 145WHP on that dyno. Doesn't mean your car is a 145WHP car.

Camperguy, nice 227WHP spike at 6200RPMs
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Old 07-04-2003, 08:17 PM   #21
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Quote:
Originally posted by Jay04WRX
The boost was set at 15.5PSI and I honestly dont know what the temps where.
From the dyno sheet you posted it appears the temp was around 85 deg. That's not really cool.
Quote:
Originally posted by Jay04WRX
I mean if the kid at Pruven with a stage 1 was getting more HP then my setup something is def wrong. He got 20 more wheel HP then me without an up-pipe, and turbo back.
Look how Snowphun recorded 223 whp HP with a stage 2 ( don't know if it's a stage2+) and Camperguy recorded 227 whp with a stage1+ on the same dyno. There are many variables that go into HP readings.
Quote:
Originally posted by Jay04WRX
Different Dyno's produce different numbers yes but such a drastic differenct? I was told I should be realistically around 220-230 wheel HP and about 275+ crank HP.
Different dyno's will produce different numbers. It all depends on the type of dyno also. For an example of dyno arguments just look around for the posts in which Vishnu dyno'd a stock evo around 180-185 HP and others argued that they were getting 210+ on other dyno's. This is not a semantic debate, just showing examples of dyno number differences.
Quote:
Originally posted by Snowphun
How does a harness make a unichip perform better?
This is Vishnu's write up on it... http://www.vishnutuning.com/loadcont...althrottle.htm
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Old 07-05-2003, 09:07 AM   #22
Jay04WRX
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Rob,
I am pretty sure everything was ok the day I dyno'd besides the weather. I will be back at the shop for another 6 pulls and some tuning in about 2 weeks.

As Danny and I discussed I had that dyno and tuning time the other day and after 1k-1500k miles I get tuning and more dyno time. See you then
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Old 07-05-2003, 12:11 PM   #23
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Jay,

I’m at the shop now and looking at separate numbers. We just dyno'd a stock '03 WRX and after 1-3 pulls we averaged 172 at the wheels. 2 weeks ago we got a baseline on another stock '03 WRX and it dyno'd at 155. Different days, different environmental variables, different numbers.

Also since we get the numbers directly from your hubs we don't use the S.A.E. correction factor. Since we are reading from you're hubs there are also no slippage factors and we're not rolling a 3,800lbs roller (inertia dyno) up to speed. These are all factors that play into the numbers.

Last edited by Ugly; 07-05-2003 at 01:02 PM.
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Old 07-06-2003, 09:01 PM   #24
Jay04WRX
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two things come to mind about my #'s vs. other dyno numbers that I have seen. I believe it was the heat, seeing those other numbers I will be coming back to the shop anyways in a week or 2 to get another 6 pulls and dyno'ing results. hopefully this time the weather wont be as hot and we can see what new #'s we can pull.
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Old 07-07-2003, 11:05 AM   #25
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Quote:
Originally posted by Jay04WRX
two things come to mind about my #'s vs. other dyno numbers that I have seen. I believe it was the heat, seeing those other numbers I will be coming back to the shop anyways in a week or 2 to get another 6 pulls and dyno'ing results. hopefully this time the weather wont be as hot and we can see what new #'s we can pull.

OT, but, Jay did you ever go to Summer Slam? I went and it was hot as hell. Your numbers look fine, the heat is a BIG factor, with how hot its been.
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