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Old 12-08-2009, 10:07 PM   #2579 (permalink)
F.I. Inc.
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Join Date: Feb 2009
Location: Simi Valley, CA
Posts: 2,989
Drives: 2010 GT-R/2007 F-250
Rep Power: 685
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UPDATE-

I just got back from the dyno. The car performed FAIR! It has the following:

-Stillen Gen III intakes
-F.I. high flow cats
-F.I. TDX cat back

Now, you cannot compare the numbers from July to the numbers tonight. Mainly due to the fact that the temperature is a difference of 26 degrees. July it was 85 degrees and tonight it was 59 degrees. The barometric pressure is relatively the same and the humidity is identical.

So here is how a dynojet works as in terms of measuring power and as far as correction methods.

SAE (Society of Automotive Engineers) is the standard norm of measurement in the automotive industry for just about everything. Now in the case of the Dynojet it takes in to account the elements:

-Temperature
-Barometric Pressure
-Humidity

It works off of an optimum temperature of 75 degrees Fahrenheit. If the temperature outside was at that along with the other elements being optimum, the dyno in SAE form would correct little to not at all.

Uncorrected is as simple as it sounds. It measures the horsepower and torque of the car without taking any elements in to consideration. If its hot out, the car will make what it makes and the dyno will not correct. If it is cold out, the car will make what it makes without the dyno correcting. We always go off of SAE when we advertise. Like I said, that is the standard norm in the industry.

Now, with all of that being said, we were able to make 304.12 RWH and 251.36 FT LBS of torque tonight in SAE.

Changed to UNCORRECTED those numbers jumped to: 307.19 RWH and 253.90 FT LBS of torque.

As you can see, converting it to SAE caused very little correction due to that in these conditions tonight, it was closer to optimum opposed to last July in the heat of the summer. But before we dyno the car with the headers, we are going back tomorrow to dyno it with the stock intakes. You can never do enough testing and I want to make sure everything is right the first time. I quite possibly might get to the dyno twice tomorrow. So if that is the case, I should have dyno numbers for the headers tomorrow night. If anyone has any questions, comments or concerns on what I just wrote or does not understand it, please speak up and ask me. This is what we are here for, to help and inform.

On another note, one of our competitors is taking jabs at us. (They must feel very threatened by us)! They stated that they include mid pipe resonators free of charge, so my question to all of you is, if you decide to go with their system and do not want resonators will they give you an additional discount? Or, are they just going to overcharge you even if you do not want the resonators. See what it really boils down to is there is no one here remotely close to being anything like us! We give you options because everyone is different and everyone wants something different. We manufacture our exhaust systems in house so we have the ability to give you more options and make changes or modifications based off of ideas or customer suggestions. Said my peace!

Thank you, Tony
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