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Old 07-02-2010, 01:03 AM   #76
rubinm
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Quote:
Originally Posted by Clark Turner View Post
External gate?

We yanked these 2.5s off many times for 3 inch and always gained power. Dyno does not lie.

C
IWG. never had an external gate on my car.

sure you gained power. how much?
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Old 07-02-2010, 01:27 AM   #77
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POSITIVE. That exhaust is restrictive for sure.

C
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Old 07-02-2010, 01:56 AM   #78
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ha. so you gained power. positive power. but dont care to share how much you gained.. figured you'd know a ball park figure after "yanking them off MANY times"


typical vague clark tuner response.


the 2.5" axle back section isnt restricting me at the 350whp level. for an Evo316g? shouldnt be a problem whatsoever.
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Old 07-02-2010, 02:02 AM   #79
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What ever man.. You expect me to keep records? Every car is very different. I can tell you that you will gain power period. That exhaust sucks balls and is restrictive. If thats not good enough then I am sorry.

C
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Old 07-02-2010, 06:05 AM   #80
rubinm
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you'd think after pulling "MANY" and having gains you'd know some type of ball park figure in your head. guess not. far far too detailed of information to ask of Clark Tuner!


Prodrive sucks balls? Hrmm..
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Old 07-02-2010, 01:51 PM   #81
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Originally Posted by rubinm View Post
ha. so you gained power. positive power. but dont care to share how much you gained.. figured you'd know a ball park figure after "yanking them off MANY times"


typical vague clark tuner response.


the 2.5" axle back section isnt restricting me at the 350whp level. for an Evo316g? shouldnt be a problem whatsoever.

I hate to be the one to point out the other side of this cloudy debate, but unless you have run your car with something larger than a 2.5" exhaust, you have no way of knowing that it's NOT holding you back. Just because you are making good power doesn't mean that you couldn't be making more.
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Old 07-02-2010, 01:56 PM   #82
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Thats what I was trying to tell him man. He wont know until he swaps it out.

Clark
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Old 07-02-2010, 11:47 PM   #83
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im at 6100 ft...and on my fp16 im getting 230whp on 91 and 245whp on e85. Tuned at Revolutions Performance Dyno Dynamics dyno.brand new sti runs 220whp on the dyno



106K stock 2.0 block
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Old 07-04-2010, 01:10 AM   #84
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Couple of questions for you EVO3 16g guys; how is the spool compared to stock/the td04? Does anyone have a dyno plot comparing the two? Looks like the power comes on a good bit later than a stage 2 td04 (even though it eventually makes more).

Also, the EVO3 16G is the big 16g, correct?
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Old 07-04-2010, 01:18 AM   #85
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Couple of questions for you EVO3 16g guys; how is the spool compared to stock/the td04? Does anyone have a dyno plot comparing the two? Looks like the power comes on a good bit later than a stage 2 td04 (even though it eventually makes more).

Also, the EVO3 16G is the big 16g, correct?
It's noticeably slower, but not by that much.

And no, the big 16G is not the same. It has a different compressor wheel and flows less than the EVO 16G.
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Old 07-04-2010, 02:33 AM   #86
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It's noticeably slower, but not by that much.

And no, the big 16G is not the same. It has a different compressor wheel and flows less than the EVO 16G.
Thanks for the response. With an EWG setup and other flow mods, can it get at least close to stock (non-tuned) spool?

The reason I asked about which was the "big" 16g is that blouch lists a 16G and an "EVO3 Big 16G" on their site. So it seems as if they are calling the EVO3 16G the big 16G.
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Old 07-04-2010, 06:38 PM   #87
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Old 07-06-2010, 11:16 PM   #88
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Just got my retune today for my EWG and TGV deletes. Made 290whp at 6400 rpm, and 260wtq at 3900 rpm. ~21 psi, then took a degree of timing out and backed the boost down a bit for daily. The torque curve is a table as is the boost curve, holding peak all the way to redline. A DOM 3 STi right before me with meth made ~330whp so the dyno might have been reading low today.
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Old 07-07-2010, 01:07 AM   #89
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Sounds like a good setup. I love this little turbo. So cheap and they just seem to blow the VFs away on pump gas.

C
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Old 07-07-2010, 01:51 AM   #90
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Got a better BPV, turned down the boost a bit Result: 328 WHP 334 WTQ Airboy. #5 on the top 10 most powerful 2.0L.

http://forums.nasioc.com/forums/show....php?t=1728653

I just now realized I am the ONLY one representing the EVO III on that list....

Last edited by SVT_WRX; 07-07-2010 at 02:00 AM.
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Old 07-07-2010, 02:00 AM   #91
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Got a better BPV, turned down the boost a bit Result: 328 WHP 334 WTQ. #5 on the top 10 most powerful 2.0L.

http://forums.nasioc.com/forums/show....php?t=1728653

I just now realized I am the ONLY one representing the EVO III on that list....
There's probably a million of us too lazy to go to the dyno. I need to get off my ass and find a dyno day around here or something, and see what the old girl actually puts down...for what it's worth. I'm pretty sure I'd be up around there with you. Clark estimated me at 340 awhp before we did the tune for the headers, ewg, new ebc and m15 meth nozzle. that was as 22ish psi...now we are at 25ish psi. Any thoughts Clark?

One thing for sure, the car rips. Great powerband...and these turbos just come alive at just over 20psi...you can just tell when your turbo's happy.
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Old 07-07-2010, 02:03 AM   #92
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There's probably a million of us too lazy to go to the dyno. I need to get off my ass and find a dyno day around here or something, and see what the old girl actually puts down...for what it's worth. I'm pretty sure I'd be up around there with you. Clark estimated me at 340 awhp before we did the tune for the headers, ewg, new ebc and m15 meth nozzle. that was as 22ish psi...now we are at 25ish psi. Any thoughts Clark?

One thing for sure, the car rips. Great powerband...and these turbos just come alive at just over 20psi...you can just tell when your turbo's happy.
This was done using Airboy's spreadsheet. You don't have to go to the dyno. Just download the spreadsheet, do a WOT and post it in the Official Road Dyno thread. This is the only way to tell if you're making close to what I'm making or even more.

Get the spreadsheet here: http://www.romraider.com/forum/viewt...&t=957&start=0
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Old 07-07-2010, 02:10 AM   #93
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I would not worry about that list to much. Its a software dyno that uses numbers from a log. Its not an actual dyno. While its a cool feature.. its not very acurate to compare cars. If you wanted to cheat, Just run the log down a slight hill and post your results also keep in mind that all of these cars are in diffferent weather and altitudes. So it makes it even worse. A real dyno uses weather as its input to keep the numbers consistant and accurate.

You can use the Cobb AP2 dyno feature for fun.. It works about the same and uses the same princepal. You just need to get the weight correct. I have tested that Cobb Ap2 dyno on many cars with dyno numbers. If the road is flat and you get the weight right, It will give you and idea of the power. Its a neat tool for you to use to test your mods and change in tune. But it in no way should be used to find the actual power of the engine.

In the 90s, I used to use the speedometer and a local stretch of road.. I would floor the car at 30mph up a hill and if i crossed the top at 90 vs 80, I knew I just made my car faster

Your car runs fantastic, Your happy, I am happy and its pulling clean.. Thats what matters.

C
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Old 07-07-2010, 02:13 AM   #94
downpipe12
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I was thinking about that, but never looked into it totally. I need to log with romraider correct? or can I use my AP logs? And do I need one of those tactrix cables? Not familiar with romraider at all...

thanks for the link
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Old 07-07-2010, 02:18 AM   #95
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Originally Posted by Clark Turner View Post
I would not worry about that list to much. Its a software dyno that uses numbers from a log. Its not an actual dyno. While its a cool feature.. its not very acurate to compare cars. If you wanted to cheat, Just run the log down a slight hill and post your results also keep in mind that all of these cars are in diffferent weather and altitudes. So it makes it even worse. A real dyno uses weather as its input to keep the numbers consistant and accurate.

You can use the Cobb AP2 dyno feature for fun.. It works about the same and uses the same princepal. You just need to get the weight correct. I have tested that Cobb Ap2 dyno on many cars with dyno numbers. If the road is flat and you get the weight right, It will give you and idea of the power. Its a neat tool for you to use to test your mods and change in tune. But it in no way should be used to find the actual power of the engine.

In the 90s, I used to use the speedometer and a local stretch of road.. I would floor the car at 30mph up a hill and if i crossed the top at 90 vs 80, I knew I just made my car faster

Your car runs fantastic, Your happy, I am happy and its pulling clean.. Thats what matters.

C
All very, very true.

I did mess around with the COBB AP dyno feature. When you had estimated it at 340awhp, I used the curb weight of the car plus me (3365) and got around the same, I think 340/341. I used the same weight after the new tune and got 371/369. As you said, not sure exactly how accurate it is, but useful in terms of comparison.

And you bring up a very valid point with regard to the weather...in this nearly 100 degree heat we've been having the car is NOT at all making the power it does when it's say...60 degress, LOL...big difference!
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Old 07-07-2010, 02:23 AM   #96
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Yeah.. The spreadsheet is neat. You can enter in the weather and altitude. But people dont have weather stations. So its really just a usefull tool and not meant to be an accurate dyno. Of course, People are competative so it turned into bench racing.

I would think the 370 number is a bit high for reality. It is on meth and its taking big timing and boost but still.. I would expect 340 to 350.. But if it really is 370, it is above avg man. Swing by the local recycling place and weigh the car with you in it
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Old 07-07-2010, 02:37 AM   #97
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Yes, the Airboy spreadsheet can be an extremely useful tool when used correctly. It's a great tool for people who can't go to the dyno all the time.

If you are using it to cheat to make yourself look good, well, then you are just fooling yourself. Which in my opinion, is very foolish

Last edited by SVT_WRX; 07-07-2010 at 02:49 AM.
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Old 07-07-2010, 02:42 AM   #98
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Yeah.. The spreadsheet is neat. You can enter in the weather and altitude. But people dont have weather stations. So its really just a usefull tool and not meant to be an accurate dyno. Of course, People are competative so it turned into bench racing.

I would think the 370 number is a bit high for reality. It is on meth and its taking big timing and boost but still.. I would expect 340 to 350.. But if it really is 370, it is above avg man. Swing by the local recycling place and weigh the car with you in it
Yeah...I figured 370 to be an "extremely optimistic" figure LOL...but I am a realist, in the end. Hey man the old girl rips and runs happy, that's really all I care about. :-)
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Old 07-07-2010, 02:48 AM   #99
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I would not worry about that list to much. Its a software dyno that uses numbers from a log. Its not an actual dyno.
I think we all know it's not an "actual" dyno. It's a tool that can be very useful if used correctly.
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Old 07-07-2010, 02:48 AM   #100
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Yeah...I figured 370 to be an "extremely optimistic" figure LOL...but I am a realist, in the end. Hey man the old girl rips and runs happy, that's really all I care about. :-)
Just as long as your happy with it....that's all that matters.
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