Any dyno sheets?
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Lets see if I can get these to come up.....
First is Stock VS tuned on 93 octane with Turbo XS HPBC that was peaking at 20 psi and dropping off to 18 psi at redline, Blitz SUS cone filter, and Apexi Super AFC II.
Keith
OK, even though my dyno sheet is well under 500K (it is only 272K) the web page says it is too big because it is more than 700 by 700.... can we get this fixed guys?
First is Stock VS tuned on 93 octane with Turbo XS HPBC that was peaking at 20 psi and dropping off to 18 psi at redline, Blitz SUS cone filter, and Apexi Super AFC II.
Keith
OK, even though my dyno sheet is well under 500K (it is only 272K) the web page says it is too big because it is more than 700 by 700.... can we get this fixed guys?
Tried that and it came out way distorted. Can the board be set up with just a size limit of half a meg without the dimension limit? Since we are starting fresh, this is the time to get things set up right. If it dosn't take up to much server space, the actuall dimensions shouldn't matter. Most people (like me) will just not post pictures if it is too much of a pain in the ass to do it.Ludachris said:
Keith
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What are the dimensions? We don't really want files that are massive, which is why we have it set to 700 pixels - mainly for scrolling reasons. I'd be willing to up it to 800 pixels, but not too much more than that.Fourdoor said:
If the file is distorting when you resize it, it's probably because it's a GIF file. Do you have photoshop? I can show you a trick that will fix it. You can also email it to me if you like. PM me and I'll give you my email address.
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Done - 800 pixels is now the max width for attachments. I've resized the max height to 1000 pixels. Hope that will be sufficient.Fourdoor said:800 would be great! This file is only about 730 wide... I think the distortion was because I was only resizing it a tinny little bit...or something like that
Keith
Hey everyone!
Well, just finished dynoing at Godspeed in Novi Michigan on their Dynapack AWD dyno.
On pump gas with a very conservative pump gas tune on the AEM EMS running the stock turbo I made 332 HP at 6,500 RPM running 20 psi of boost at readline! That is SAE corrected. The torque is read uncorrected on a Dynapack, and it was 316 @ 3700 RPM. Taking the HP at that RPM (240 HP @ 3700 RPM) and running it through the calculator over at http://www.corvetteactioncenter.com/tech/tools/torque.html
you come up with 340 lb-ft of torque at 3700 RPM SAE corrected.
If I was able to run 22 psi at redline that would have helped a lot, but in order to do that with my manual boost controler I would need to be running 25 psi at low RPM....and I am not willing to do that on pump gas. My next step is to get a GM solenoid valve and set up the AEM EMS to do my boost control.... Bet I could have broken 360 on pump with a couple more ponds of boost.
BTW, all of this was at an A/F ratio of 11.5:1 with conservative timing settings tuned in by Tym over at Buschur Racing.
Way to go Tym!
Keith
Well, just finished dynoing at Godspeed in Novi Michigan on their Dynapack AWD dyno.
On pump gas with a very conservative pump gas tune on the AEM EMS running the stock turbo I made 332 HP at 6,500 RPM running 20 psi of boost at readline! That is SAE corrected. The torque is read uncorrected on a Dynapack, and it was 316 @ 3700 RPM. Taking the HP at that RPM (240 HP @ 3700 RPM) and running it through the calculator over at http://www.corvetteactioncenter.com/tech/tools/torque.html
you come up with 340 lb-ft of torque at 3700 RPM SAE corrected.
If I was able to run 22 psi at redline that would have helped a lot, but in order to do that with my manual boost controler I would need to be running 25 psi at low RPM....and I am not willing to do that on pump gas. My next step is to get a GM solenoid valve and set up the AEM EMS to do my boost control.... Bet I could have broken 360 on pump with a couple more ponds of boost.
BTW, all of this was at an A/F ratio of 11.5:1 with conservative timing settings tuned in by Tym over at Buschur Racing.
Way to go Tym!
Keith
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I've some. I will try to take a pic of them and post it up. I made 268whp. I am making much more now though after tunning my S-AFC 2.
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Nice!!!!!!!!!!!!
Yup, the EVO seems to pull harder than my Galant VR-4 did. The Galant made 367 HP at the front wheels (2WD dynojet) on C-16, but it was a much heavier car. I think the EVO will be faster on pump gas than the Galant was on C-1612secEVO said:
Keith
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Here is my dyno sheet. I was running way to lean for 91 octane and 20 psi at redline. I richened it up to drop my afr to 11.0:1 and made two pulls at 285 and the last pull of 311whp on a buddies datalogger dyno tool. It is really accurate. Did a baseline to start off and it showed me at 265whp compared to the dyno that showed me at 268whp. My power is so jumppy because my afr was up and down throuhout the pull. I fixed that with my buddies wideband and she pulls alot smoother. That first pull is only 247 because I turned my boost down at first so it wouldn't spike on the dyno which was only at 17 psi.
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Here is a closeup of my afr. I was way to lean for the 91.
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hmm...well the a/f didn't look too lean...maybe a little bit but not much. Just needs richer mainly at 4k and 4.5k and a little at 3.5 too...but I'd say 11.2-3 is ok for 91 octane...its tricky though...I really hate 91. some of it knocks worse then others...
if you made 311whp with 11.0-1 afr then leave it, thats good:thumb:
if you made 311whp with 11.0-1 afr then leave it, thats good:thumb:
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Yeah I picked up alot of power by richening up the mid range. Made a huge difference in the way it pulled. I need to pick up my own data logger and wideband. They are very useful. I hate stabbing in the dark with tunning with my butt dyno, LOL!!! I rather have something to look at that shows improvements.
Thanks for the advice man.
I did notice that up in the 5000 range and also in the 6000 range there were two distinct dips that could be felt while driving the car. With the wideband it showed an AFR of 11.6. It must have been to lean and the ECU was pulling some mad timing out. I added some fuel throughout that whole range and the dip is gone. Soon I won't have to worry about this 91 stuff anymore. I will be on the east cost in about a week!!! :thumb:
Thanks for the advice man.
I did notice that up in the 5000 range and also in the 6000 range there were two distinct dips that could be felt while driving the car. With the wideband it showed an AFR of 11.6. It must have been to lean and the ECU was pulling some mad timing out. I added some fuel throughout that whole range and the dip is gone. Soon I won't have to worry about this 91 stuff anymore. I will be on the east cost in about a week!!! :thumb:
hmmm...do the dataloggers for the EVO's read knock or are they like the 2gs where you have to guess when timing is getting pulled. If you noticed them then it probably was timing being pulled as a result of knock...and it was probably pretty bad if you noticed it...
I guess 11.0 is the best for 91oct...thats actually how I had my Eclipse tuned with DSMLink... 10.9-11.2 but I still had to pull a degree of timing in certain spots so it wouldn't knock and pull more than a degree.
I guess 11.0 is the best for 91oct...thats actually how I had my Eclipse tuned with DSMLink... 10.9-11.2 but I still had to pull a degree of timing in certain spots so it wouldn't knock and pull more than a degree.
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The datalogger doesn't measure knock as far as I know. I run alot smoother on an 11.0:1 afr.
New dyno results are in! These numbers are from the dyno dynamics dynometer at Axis racing in St Lois, MO.
Pump gas 311.1 HP @ 6200 RPM and 311 lb/ft of torque @ 4250 RPM.
My peak power was at 6200 RPM and my boost at that point on the graph was 20 psi. The torque peak at 4250 RPM was at 22 psi of boost. I was spiking up to 23 psi and droping to 19 psi by redline.
Then I swaped over to the race gas and loaded in my race gas map, results:
332.8 HP @ 6000 RPM and 333 lb/ft of torque @ 4170 RPM.
At the peak power point of 6000 RPM I was making 21.5 psi of boost and at the peak torque point of 4170 RPM I was making 25 psi of boost. I was spiking up to 25 psi and droping down to 19.5 by redline.
Keep in mind these numbers are all on a Dyno dynamics dynometer like the one Shiv uses, commonly called "the heart breaker" dyno.... well, lets just say my heart isn't broken
Using Shivs "dyno equalizer" programe I am making 435 HP at the flywheel on pump gas (equivelent to 366 wheel HP on a dynojet or dynapack) and 466 HP at the flywheel on race gas (equivelent to 392 wheel HP on dynojet or dynapack) . Oh, and after I finished the tuning I put the cat back on and pulled 322 HP on the dyno that would be 452 HP at the flywheel on race gas (equivelent to 380 wheel HP on a dynojet or Dynapack).
Keith
Pump gas 311.1 HP @ 6200 RPM and 311 lb/ft of torque @ 4250 RPM.
My peak power was at 6200 RPM and my boost at that point on the graph was 20 psi. The torque peak at 4250 RPM was at 22 psi of boost. I was spiking up to 23 psi and droping to 19 psi by redline.
Then I swaped over to the race gas and loaded in my race gas map, results:
332.8 HP @ 6000 RPM and 333 lb/ft of torque @ 4170 RPM.
At the peak power point of 6000 RPM I was making 21.5 psi of boost and at the peak torque point of 4170 RPM I was making 25 psi of boost. I was spiking up to 25 psi and droping down to 19.5 by redline.
Keep in mind these numbers are all on a Dyno dynamics dynometer like the one Shiv uses, commonly called "the heart breaker" dyno.... well, lets just say my heart isn't broken
Using Shivs "dyno equalizer" programe I am making 435 HP at the flywheel on pump gas (equivelent to 366 wheel HP on a dynojet or dynapack) and 466 HP at the flywheel on race gas (equivelent to 392 wheel HP on dynojet or dynapack) . Oh, and after I finished the tuning I put the cat back on and pulled 322 HP on the dyno that would be 452 HP at the flywheel on race gas (equivelent to 380 wheel HP on a dynojet or Dynapack).
Keith
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