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Performance Modifications for the New 9-3 This forum contains PERFORMANCE related Q&A's for the new 9-3. This may also include suspension.

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Old 03-06-2012, 06:32 PM   #1
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Thats all shes got capin, 415bhp/532ft-lb

We have maxed out the 19T at 6000' elevation, that is all she got, no more boost, the injectors maxed out and the timing as high as we can go.

Thats all she's got, put down 415bhp and 532ft-lbs with the 20% drive train loss of AWD, which really does seem to suck the power when compared to the FWD V6 cars.

Here is the base-line too, but its hard to use it as a real base-line since the turbo is already working harder at elevation to make the same power as sea-level, so more heat and energy is used just to try and make stock power and that means you would see a larger difference when comparing a base-line at sea-level, ie stock vs 19t turbo. But, here it is anyway, only two pulls tonight, we can see there is no more boost to be had, waste-gate is 95% shut all the way across and fuel is where we want it.

John
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Old 03-07-2012, 04:57 AM   #2
 
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We have maxed out the 19T at 6000' elevation, that is all she got, no more boost, the injectors maxed out and the timing as high as we can go.

Thats all she's got, put down 415bhp and 532ft-lbs with the 20% drive train loss of AWD, which really does seem to suck the power when compared to the FWD V6 cars.

Here is the base-line too, but its hard to use it as a real base-line since the turbo is already working harder at elevation to make the same power as sea-level, so more heat and energy is used just to try and make stock power and that means you would see a larger difference when comparing a base-line at sea-level, ie stock vs 19t turbo. But, here it is anyway, only two pulls tonight, we can see there is no more boost to be had, waste-gate is 95% shut all the way across and fuel is where we want it.

John
Dude....we need to have multiple beers when you're at Carlisle.


If the turbo is working harder at elevation (which it is) to make sea level power, then the output at the wheels should match or come very close to sea-level output. ...and if that's the case, then the artificially high SAE correction factor applied on the dyno is meaningless for FI vehicles. The turbo is already compensating as much as it can for the lower air pressure

Which makes altitude dyno numbers valid for apple-to-apples comparisons with the same or similar cars at altitude...but for little else.

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Old 03-07-2012, 05:00 AM   #3
 
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I know...I know....


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Old 03-07-2012, 08:01 AM   #4
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Damn that must be tits. This thing must take one some impressive cars
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Old 03-07-2012, 08:10 AM   #5
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I know...I know....


We can argue cf all day long, the point is that you see a larger difference in stock vs tuned at sea-level because when you tune, you use what efficiency in the turbo that is left. At sea-level, say its 20%, you get to use all of that 20% and make more power. At elevation, 10% is already being used to just try and maintain stock power, so when you tune, there is only 10% left to pull from, so the difference from stock are far less.

I see it all the time and with these 93 cars, the Sae number are lower and have been consistantly lower by about 20bph. Dyno a stg 1 car here in Denver and the Sae numbers will be about 20bhp lower than the same tune on the same year car at Sea-level. Have multiple dynos showing that.

Anyway, I have another guy doing a 19T at sea-level. He is FWD though, he made 300whp with just the tune and exhaust, so with 19T, should not be an issue reaching 350whp or right at 415bhp,

John
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Old 03-07-2012, 09:48 AM   #6
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Here is the screen shot of the dyno pull in HP tuners, you can see the waste-gate duty cycle is 95%, that is holding the waste-gate as closed as it can with the base-boost set-up, then you can see the fueling, the timing and the airmass. It tells the entire story, its all in there

John
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Old 03-08-2012, 05:45 PM   #7
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Originally Posted by 2legit2quit View Post
Damn that must be tits.
It's so good that it is two tits!

Here's the video of the dyno

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Old 03-08-2012, 05:47 PM   #8
 
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That's pretty sweet......Definite kudos....
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Old 03-08-2012, 05:57 PM   #9
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Thanks for the kudos, I was hungry

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Old 03-09-2012, 07:39 AM   #10
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now go shoot down some mitsubishis!
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Old 03-09-2012, 02:03 PM   #11
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Old 04-02-2012, 06:38 PM   #12
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What is the max this turbo could put down in a viggen?
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Old 04-02-2012, 07:26 PM   #13
 
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What is the max this turbo could put down in a viggen?
Depends on whether you're at altitude or not...
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Old 04-03-2012, 05:51 AM   #14
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Here is data from a very similar setup as mine at sea level, (New Jersey). Specs: 2007 V6, 19T with stock turbine, larger injectors, catless downpipe, highflow midpipe, upgraded clutch.

Peak airflow is just over 40 lbs-min, around 400 crank hp. With this setup I could only make 31 lbs-min at my altitude.

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Old 04-03-2012, 06:35 AM   #15
 
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400 BHP or WHP?

and looks like the guy in Jersey has a bit more fueling room

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Old 04-03-2012, 12:26 PM   #16
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Somehow my Viggen put down +- 2 HP at altitude as it did at sea level......

Same thing happened when I moved back to altitude.....maybe I was only tuned for Altitude....

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Depends on whether you're at altitude or not...
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Old 04-03-2012, 01:00 PM   #17
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Somehow my Viggen put down +- 2 HP at altitude as it did at sea level......
veeeeeeeery interesting!

I've read enough posts on it to realize it's a dead subject about the whole altitude/correction factor blah blah blah business... but I guess my thoughts are... who the hell cares? If your car made X amount of power, then you did some tweaks, and then it made X++ power, isn't that what counts? I mean, who gives two shits if it's at sea level, a mile high, or on the freaking moon for Christ's sake? If the car drives well and feels the way you want it to "seat of the pants", shouldn't that be good enough without having to compare stats and brag about power numbers and what not?

And I'm sorry, the whole "he has the same setup as me and makes XYZ power, so that must mean I make the same amount" argument is like saying your girlfriend has the same measurements as some supermodel, so she must be just as hot. Give me a break!

I'm not knocking John, I'm definitely not knocking Mike, and I'm definitely not knocking the owner car. These dynoes seem they can be the devil. I'm so tired of hearing about loss because it's FWD, RWD, AWD, is at sea level, or was done underwater, was on a mustang dyno, or whattheshitever. What it makes is what it makes, be happy about it.

Your Turbo X is bad-fucking-ass!!! The sound is phenomenal, and the power/torque curve is awesome. Enjoy your 19t
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Old 04-03-2012, 01:59 PM   #18
 
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Your Turbo X is bad-fucking-ass!!! The sound is phenomenal, and the power/torque curve is awesome. Enjoy your 19t

This.

It's an absolutely evil car, regardless of what it makes or where it is.
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Old 04-03-2012, 03:29 PM   #19
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How are the transmissions on these cars?

Can they handle the abuse/torque of a tuned engine like this?
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