stock ecu vs. s-squared tune

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Old May 3, 2005 | 11:01 AM
  #46  
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ali,
it makes sense. and believe me i did let them try to fix it when i took it back in the first time. i wanted to believe everything they told me and for the most part i did. but the numbers in the data log i kept getting just weren't good. the second time i went in they offered to do the conservative tune, but looking at the results from the stock ecu and mods, what would that conservative tune been like?
Truely, i am not trying to slam them. If there are any signs of this in the original post they weren't intended. i really had no intent on doing so.

RussB,
your right, i mixed it up. that screen shot was of the delta dash flash software.
Old May 3, 2005 | 11:08 AM
  #47  
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alright, i won't be able to post any more responses until late tonight. i'm not trying to avoid this thread, i just won't be by a comp for the next 12 hrs or so.
Old May 3, 2005 | 11:13 AM
  #48  
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Originally Posted by Ali G
Anyone that relies on a road dyno is a moron.
Lay off man. Calibred WRX isn't someone who likes instigating crap with anyone. In his first post, he didn't even attack S-S. The fact that he went to them shows he actually thought that they are a reputable tuner. He's just asking quesitons about the graphs and results he saw.

In this thread, you're the only one doing any "attacking" of any sort.
Old May 3, 2005 | 11:17 AM
  #49  
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Originally Posted by Impreza01
The fact that he went to them shows he actually thought that they are a reputable tuner.
I'm not trying to start anything here - I imagine your wording is off. You're not attempting to infer that S-S is not a reputable tuner, right?
Old May 3, 2005 | 11:22 AM
  #50  
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Originally Posted by Impreza01
Lay off man.
Or what?
Calibred WRX isn't someone who likes instigating crap with anyone.
And?
In his first post, he didn't even attack S-S.
The fact that post was made with facts left out was an underhanded dirty attack
The fact that he went to them shows he actually thought that they are a reputable tuner.
Thought? If that is not a slam I do not know what is.
He's just asking quesitons about the graphs and results he saw.
He never asked he fabricated with the help of another "tuner" and used the fabrications to smear the reputation of an actual shop.
In this thread, you're the only one doing any "attacking" of any sort.
Not true, mine were just more out in the open and honest as opposed to terroristic slap and run tactics...
Old May 3, 2005 | 12:00 PM
  #51  
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like impreza01 said, calibredwrx hasnt attacked anyone. ali g, you can make your point without verbally attacking the guy.

also, just wanted to point out that stock ecu's CAN make as much power as a tuned ecu. the 1st 6 months of the 2002 wrxs have more aggressively tuned ecu's. my stock car (only a catback, which isnt gonna add a lot of hp) put down 188 whp, 189 tq on the gruppe-s dyno. thats with a STOCK ecu. stock wrx's typically make 150-155 whp on that dyno. i assume that tuned ecu's for stock engines generally put down around 170-180 whp? bottom line is my stock ecu for my car with ONLY a catback makes more power than a lot of people with aftermarket tuned ecu's on stock engines. so anything is possible.
Old May 3, 2005 | 12:21 PM
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Hey everyone,

Above anything else......Keegan's car made nearly IDENTICAL power numbers and power curves on the SS dyno and on the road dyno with the SS tune.

So there is no denying that the numbers read on the Road dyno are very comparable to those of the SS dyno. Given this.....190ish numbers for a tune with Calibred's setup is abnormally low. Also, the same road dyno that read identical numbers as the SS dyno showed later during multiple pulls that with the reflash back to stock that he was still making very similar numbers.
How is it even possible....or be it Logical to defend a tuned car making the same numbers as the same mods with a stock ECU? It's very clear that something was indeed not right with the tune.

-Brian
Old May 3, 2005 | 12:34 PM
  #53  
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Originally Posted by Ali G
Anyone that relies on a road dyno is a moron. I understand using one for a short time while your dyno is on order but that is about it.
Anyone who believes this is a moron, but we already knew that about you. Both road and dyno tuning have their advantages. Dynos are consistant but unrealistic as they do not simulate real-world conditions. Dynos simply attempt to replicate conditions seen on the road while road tuning does so in reality. If you really knew what you were talking about you would know that there are conditions seen on the road that a dyno CAN NOT REPLICATE. Idealy you would have the car tuned under both conditions but for a daily driven car, I would rather have a safe road tune than a dyno tune for obvious reasons.
Old May 3, 2005 | 12:35 PM
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Originally Posted by NZO
If you really knew what you were talking about you would know that there are conditions seen on the road that a dyno CAN NOT REPLICATE.
You mean like exhibition of speed, possible reckless driving offenses and tractor racing?
Old May 3, 2005 | 12:45 PM
  #55  
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Originally Posted by NZO
If you really knew what you were talking about you would know that there are conditions seen on the road that a dyno CAN NOT REPLICATE.
Actually with a Mustang Dyno, its an exact replication of a road. This is why the Mustang software takes in account for the wind resistance of the vehicle so it can calculate exact load of the vehicle at a given speed.
Old May 3, 2005 | 12:52 PM
  #56  
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The same way the matrix is an exact replication of the real world As I said it attempts to replicate real-world conditions, and it probably does a decent job, but there are far too many variables and condition configurations for a dyno to accurately replicate. I'll take the real thing over a simulation any day.

Last edited by NZO; May 3, 2005 at 12:55 PM.
Old May 3, 2005 | 12:53 PM
  #57  
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Originally Posted by sonicsuby
You mean like exhibition of speed, possible reckless driving offenses and tractor racing?
Yes thats exactly what I meant.
Old May 3, 2005 | 01:05 PM
  #58  
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Originally Posted by NZO
Anyone who believes this is a moron, but we already knew that about you.
I am not a moron, if I was I would have more than one wife...
Both road and dyno tuning have their advantages.
A road dyno's only use is to get by with when you are too small time to be able to afford a real dyno.
Dynos are consistant but unrealistic as they do not simulate real-world conditions.
This is true for most dynos, but as was stated, the Mustang dyno takes vehicle weight and wind resistance in to account. You can also simulate hills or prevent the car from going over a pre set speed to test the car under loads it could never ever see in the real world. How much more useful can you get than that?
Dynos simply attempt to replicate conditions seen on the road while road tuning does so in reality.
Road tuning and road dynos are two different things. I never said road tuning was bad, and if I did type that it was an accident and I will admit to it being a mistake on my part.
If you really knew what you were talking about you would know that there are conditions seen on the road that a dyno CAN NOT REPLICATE.
Sure there are, like traction loss and lighter loads than the car would ever see so those really are not important when tuning a car for the real world. ALl the important things and more (like safety) can be had with a quality dyno.
Idealy you would have the car tuned under both conditions but for a daily driven car, I would rather have a safe road tune than a dyno tune for obvious reasons.
Again road tune and road dyno are not the same. The road dyno numbers can easily be manipulated - not that it is the same as the DD road dyno, but my Palm OS based OBDII scanner has a road dyno feature and I can get it to say my wife's bone stock Honda CR-V is throwing down 300HP. All I have to do is accelerate down a hill and there you have it.

How useful is that - not very. Mix it in with about 4 bucks and it will get you a cup of coffee at Starbucks.
Old May 3, 2005 | 01:11 PM
  #59  
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My mistake, I misunderstood the distinction people were making between road dyno and road tuning.
Old May 3, 2005 | 01:12 PM
  #60  
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Originally Posted by PlatNmRex
Hey everyone,

Above anything else......Keegan's car made nearly IDENTICAL power numbers and power curves on the SS dyno and on the road dyno with the SS tune.
I wonder how many times they had to run the road dyno to get it to agree?


So there is no denying that the numbers read on the Road dyno are very comparable to those of the SS dyno.
Yes, yes there is. See my post above about how to trick a road dyno...
Given this.....190ish numbers for a tune with Calibred's setup is abnormally low. Also, the same road dyno that read identical numbers as the SS dyno showed later during multiple pulls that with the reflash back to stock that he was still making very similar numbers.
Mix in the stock turbo and fuel system and no matter how much you tune the car you will probably not see much over that on a Mustang dyno. I do not believe his numbers from the stock tune on the car.
How is it even possible....or be it Logical to defend a tuned car making the same numbers as the same mods with a stock ECU?
It is not, and if he had real stock numbers you would see that he is full of crap.



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