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Old 02-27-2003, 03:09 AM   #1
SIYAM
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Default Some Dynos for your viewing pleasure...

http://www.qksltwo.com/dyno.html

The hotshot did better than I expected. 3WHP, and a pretty good top end.

It was wierd to want the a/f ratios jump all around and change with the different intakes.

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Old 02-27-2003, 05:18 PM   #2
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Damn! The AEM Cold Air Intake gave 10hp??!! That's unreal! :o:
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2006 Ion Redline- GMPP Stage 2
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Old 02-27-2003, 05:54 PM   #3
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I dunno, numbers that close don't seem to tell much with a homemade dyno.
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Old 02-27-2003, 06:17 PM   #4
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I agree with ProDarwin.

We're only dealing with a few percent here, and the margin of error is probably higher than that.
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Old 02-27-2003, 06:59 PM   #5
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Well, considering the car made 110 stock, which is exactly what my 93 did on a "real" dyno, its pretty damn close.

Further, you guys have to remember the theory of "relativity". It isn't what you see, it's what you see from what viewpoint. Using the same test equipment, on the same road, on the same night, in the same car, the same weight allows for a semi-controlled environment. Its better than your but dyno, that is for damn sure.

Don't pay attention to baseline numbers, but the differences between the parts.

I ran a 15.9 last night with the AEM. Stock, otherwise, btw. Track conditions were 12 degrees colder than when I ran it stock, though.

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Old 02-28-2003, 04:17 AM   #6
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Thumbs Up Nice work!

Ian -

Don't let the haters get you down. This is very good stuff you're doing. They probably don't even know how a "real" dyno even works!

Anyways very useful information. Thanks and keep up the good work! You are an asset to the Saturn community.

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Old 02-28-2003, 09:00 AM   #7
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Definately right siyam ;P ... relativity is the name of the game here. Even a regular chassis dyno is never 100% accurate. It's simply used as a tool to tune or view changes in the way a car works. The funny thing is that this homemade dyno may actually be more realistic and accurate than a chassis dyno.

I believe this one uses a simple speed time equation to determine torque/hp. Given that it's actually on the road and not on a chassis, it's the only way to even remotely try and test something like ram air or a cold air intake.

So what we know is that given the same test, on the same car, around the same time with very similar environmental variables resulted in differing gains from intake to intake.
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Old 02-28-2003, 09:28 AM   #8
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I agree with you guys that you can see the difference on the 'dyno', I'm just saying you can't slap on an AEM and expect exactly 10hp and the hotshot for 3hp. You can expect the AEM to make more power than the hotshot though.
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Old 02-28-2003, 11:48 AM   #9
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Good stuff, Ian. Maybe I missed something but did you list the bolt-ons that were used in dyno run 1? I'm just curious what got you to the number.

Keep up the good work.
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Old 02-28-2003, 12:49 PM   #10
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The "bolt on DOHC" was my 93, before it was turbo. I have since aquired a bone stock 95, which is what I use to test all the parts.

I didn't claim that an AEM makes exactly any certain amount of power. That was the average over 5 runs. Same with the hotshot. Cars and conditions WILL produce varying results. However, that much of a difference in non-negotiable.

Opec, Mike, pro-darwin, sleeper... thanks for the comments. I'm just trying to help ppl make some decisions on parts.

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Old 02-28-2003, 01:32 PM   #11
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if I could get into my saturndyno site I'd upload it. But now it's acting weird and I can't get into that aspect.
I gotta get that fixed sometime.
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Old 02-28-2003, 02:20 PM   #12
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Yeah, please post them up so everybody can learn from them! I'll like the dyno site next time I update. Email me to remind me!

Thanks,

Ian
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Old 02-28-2003, 03:55 PM   #13
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Quote:
I'm just saying you can't slap on an AEM and expect exactly 10hp and the hotshot for 3hp
Why not? These are the same numbers the respective comanies came up w/ consistantly on a quote/ unquote REAL dyno. AEM takes great pride in the fact that all their intakes are dyno tested and proven BEFORE offered to the public. You don't spend the big bucks on AEM for false claims nor does AEM take the best case scenario and lay claim. Besides a REAL dyno doesn't measure real world numbers they measure ideal conditions. When on the road you're going to have wind resistance which affects the performance, if you have ram air, lets say, stuff like that can't be measured on a conventional dyno. besides like others said it's used as a tuning tool to give the closest possible figures to work with. Keep up the good work Ian.
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