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Old 05-21-2013, 02:09 PM   #51
dysh@
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Some thing is wrong with numbers.
Why did you cut out CF on VD graph?
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Last edited by dysh@; 05-21-2013 at 02:16 PM.
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Old 05-21-2013, 08:57 PM   #52
mxturboracer86
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Bc I copied it in paint, I'll be happy to post a full picture with the same data


Quote:
Originally Posted by dysh@ View Post
Some thing is wrong with numbers.
Why did you cut out CF on VD graph?
Better?






Quote:
Originally Posted by lil'redwagon View Post
from what i recall, and i'm happy to be corrected on this, but the 3,200-3,350 lb baseline weight figure that's published about our cars and used in these programs like Virtual Dyno and Airboy, includes a full tank and topped off fluids. so for anything less than a full tank, you should be subtracting from that number. but again, it's loose info, so i'm happy to be wrong about it.

it seems high,but when you consider an 04-07 STi on VD = 3350lbs and then add 3 passengers (average at 175) then you are around, that's right at 3850, and I used the one for the 08 STi for the gearing so it added 30 lbs to weight.

Last edited by mxturboracer86; 05-21-2013 at 09:11 PM.
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Old 05-21-2013, 11:57 PM   #53
WhiteBgeye02
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they are great numbers but the dynojet readings are about 5% higher than what a normal dyno reads found in many shops. I ussually use the virtual dyno w/ cf=1.0 when i compare my numbers with the VD program. either way everyone should see he is making huge power on the stock block. much more than an ej25 engine can ussually take before its ringlands **** the bed.
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Old 05-24-2013, 12:47 PM   #54
jmlaser
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OP Nicely put together car and my "some day" setup as well. Sorry to hear about the clutch. Get that puppy fixed and enjoy!

Matt nicely tuned as usual!
Another Matt 555 tune

Will this car see the track? Curious about actual trap speed
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Old 05-24-2013, 02:23 PM   #55
gsrcrxsi
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why was the pull done in 3rd gear vs 4th? i thought 4th was closer to the 1:1 desired? wouldnt a lower gear produce inflated trq numbers and hence inflated hp number?

someone please correct me if i'm being stupid right now lol.
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Old 05-24-2013, 03:23 PM   #56
207STi
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Quote:
Originally Posted by gsrcrxsi View Post
why was the pull done in 3rd gear vs 4th? i thought 4th was closer to the 1:1 desired? wouldnt a lower gear produce inflated trq numbers and hence inflated hp number?

someone please correct me if i'm being stupid right now lol.
I know a lot of people don't feel comfortable doing a pull to 100 plus on the street. Third gear is usually around 80 at 7500 rpm on the 6mt.
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Old 05-24-2013, 07:41 PM   #57
lil'redwagon
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Quote:
Originally Posted by gsrcrxsi View Post
why was the pull done in 3rd gear vs 4th? i thought 4th was closer to the 1:1 desired? wouldnt a lower gear produce inflated trq numbers and hence inflated hp number?

someone please correct me if i'm being stupid right now lol.

it's just as accurate as long as the correct gear ratio is loaded into the dyno. you could do it in first if you load up the ratios, but you wouldn't load the car as much as the higher gears, and the resolution would be bad since you're sweeping across the tach so quickly. for best numbers, a higher gear would be better, but if you did it in top gear, it would make for a 160+ mph dyno pull. and if you're tuning, you'd be on a bad spot for a long time. so something like 3rd or 4th is a good compromise.
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Old 05-25-2013, 08:57 PM   #58
mxturboracer86
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Quote:
Originally Posted by jmlaser View Post
OP Nicely put together car and my "some day" setup as well. Sorry to hear about the clutch. Get that puppy fixed and enjoy!

Matt nicely tuned as usual!
Another Matt 555 tune

Will this car see the track? Curious about actual trap speed

It will be at the track after the clutch is sorted out, can't wait to see what it does myself.

Is your car almost ready for the track?
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Old 05-26-2013, 12:20 AM   #59
Concillian
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Quote:
Originally Posted by 207STi View Post
I know a lot of people don't feel comfortable doing a pull to 100 plus on the street. Third gear is usually around 80 at 7500 rpm on the 6mt.
In this case 3rd is OVER 100 at an 8200 redline.

4th would be way too much gear for a safe pull in most areas, nearly 140 MPH.
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Old 05-26-2013, 01:09 PM   #60
207STi
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Quote:
Originally Posted by Concillian View Post

In this case 3rd is OVER 100 at an 8200 redline.

4th would be way too much gear for a safe pull in most areas, nearly 140 MPH.
Didn't realize it was an 08+ 6mt, I stand corrected.
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Old 05-30-2013, 03:51 AM   #61
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Nice nice!
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Old 08-12-2013, 12:10 AM   #62
hummelsubaru
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marked, great setup and great number mate! your thread solves a lot of suspescious for my build! thanks for that.

btw how big your injector is? 1000cc? 1300?

Last edited by hummelsubaru; 08-12-2013 at 12:28 AM.
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Old 08-12-2013, 04:00 AM   #63
Scuby04STi
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Quote:
Originally Posted by hummelsubaru View Post
marked, great setup and great number mate! your thread solves a lot of suspescious for my build! thanks for that.

btw how big your injector is? 1000cc? 1300?
Thanks for the link.

Great build, nice results.
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Old 09-25-2013, 03:06 PM   #64
Overboosting04
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Its been awhile but I finally got around to bringing my car to the track, during the Subaru shootout at Byron. It was my first time ever at the track and ended up running a best of 11.3@127 with a small hiccup shifting into 2nd. Ended up getting 2nd in the modified 2.0 class
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Old 09-25-2013, 06:50 PM   #65
shomspeed
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Quote:
Originally Posted by Overboosting04 View Post
Thanks this engine has been making over 350whp on a mustang dyno for over 3 years now, but its been on e85 ever since ive owned it also
Congrats guys on your success so far on a stock ej207, high octane gas and stock parts is a very very good idea
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Old 09-25-2013, 07:33 PM   #66
dr20t
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Well done mate

Loving the ej207 big power builds coming out
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Old 09-25-2013, 11:37 PM   #67
Dave D.
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Originally Posted by dr20t View Post
Well done mate

Loving the ej207 big power builds coming out
As it seems the WRX and STi will be going to two liters in the future, let's hope the next turbo version will be built like the ej207!
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Old 09-25-2013, 11:54 PM   #68
dr20t
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Quote:
Originally Posted by Dave D. View Post

As it seems the WRX and STi will be going to two liters in the future, let's hope the next turbo version will be built like the ej207!
The fa20 is looking promising, and from what I've seen and read, the heads flow amazingly well

So yes I believe they're going back in that direction

Still gotta love jdm ej207 power
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Old 09-26-2013, 08:59 AM   #69
alexandern05
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Nice car and nice numbers
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Old 09-26-2013, 03:20 PM   #70
Concillian
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Quote:
Originally Posted by Dave D. View Post
As it seems the WRX and STi will be going to two liters in the future, let's hope the next turbo version will be built like the ej207!
The design is torquey and it's not going to have the redline that an ej207 has.

It does look, however to be able to make power. I see it being more like a DI EVO 2 liter and less like a DI EJ207. This may limit redline, but it should have plenty of balls. The question will be how much boost it will be able to take (reliably) and how long will it be before a "community friendly" engine management solution comes to the scene.

Don't be surprised to see spool like an EJ25x turbo does. The higher CR afforded by DI will make up a lot of the displacement difference, so torque should also be in the same ballpark as the 2.5L. I don't expect the new engine to have a lot of trade-offs other than the complexity of the new technology. Overall the direction should have benefits for everyone who isn't building an all-out race car. It should ultimately perform much like the EJ25 turbos do while getting significantly better MPGs.

Last edited by Concillian; 09-26-2013 at 03:27 PM.
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Old 09-27-2013, 04:15 PM   #71
shomspeed
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what are you guys using for a catch can?
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Old 09-29-2013, 11:31 AM   #72
Overboosting04
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Quote:
Originally Posted by shomspeed View Post
what are you guys using for a catch can?
not currently using a catch can, have the pcv eliminated and the the hoses routed towards the ground
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Old 09-29-2013, 06:55 PM   #73
shomspeed
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Quote:
Originally Posted by Overboosting04 View Post
not currently using a catch can, have the pcv eliminated and the the hoses routed towards the ground
have you found with this setup, you are losing oil on the ground?
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Old 10-02-2013, 04:49 PM   #74
wrxsubiemod
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Just saw the vid. Wow
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Old 10-03-2013, 05:00 PM   #75
02rex62
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How many miles have u put on this setup?
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