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Old 10-23-2010, 08:55 PM   #1
69subaru360
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Default EJ20G dragstrip results with Rob's chip + now with dyno

I ran my car at the dragstrip today at the evo vs wrx shootout. It's a 95 coupe with 95 wrx ej20g engine, trans and rear diff. It was 2690 lbs on the scale today with me and and a 1/2 tank of gas. So I'm 170 so the car is about 2500 or so dry. Temp was about 60 degrees and traction was decent.

Go fast stuff is fmic, uel header, cone filter, walbro 255 fuel pump, 04 sti yellow 550 injectors, hallman mbc, evo 8 bpv, GD wrx coilpacks, bosal divorced 2.75" downpipe, 02 wrx midpipe, remus 2.5" axleback. I did have a 3" surewin turbo back exhaust on it for a while, but it was too loud and I took it off, I might be giving up 5-10 whp there but oh well, it attracted too much attention with the loud exhaust.

Timeslips-



It's really close to needing to shift to 5th in the 1/4. First run I did shift to fith and went [email protected] with a 1.79 60'. Next run I ran out 4th and went [email protected] It spun a little and the 60' was only 1.85. I also went a 12.8 when they dumped the tree on me and I didn't have full boost on the launch. I think it would run 12.5 with a 1.7 60' and finishing in 4th. The numbers back that up.

110 mph at 2690 lbs works out to 285 whp. Not bad at all.

This is about the best it can run now. At 18 psi, it maxes out the MAF at 4.98 volts at the top of 3rd and 4th gear. So right now it's MAF limited.

Rob's chip runs great, zero issues, it's never knocked, not even once. I'm running 93 octane E10.

With a 6K ecu and low boost, 12 psi earlier this year it went 13.2 @ 105, so the chip is a good improvement.

The car-



It pretty much looks stock.
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Last edited by 69subaru360; 05-21-2011 at 03:39 PM.
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Old 10-23-2010, 09:41 PM   #2
anothernord
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Wow, a real sleeper. Well done.
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Old 10-23-2010, 09:43 PM   #3
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****ing sleeper, ****ing sweet.
makes me want to go 20g instead of eg.

So you are on the z32 route? does Rob do that?
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Old 10-23-2010, 09:49 PM   #4
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Quote:
Originally Posted by eg33GC View Post
****ing sleeper, ****ing sweet.
makes me want to go 20g instead of eg.

So you are on the z32 route? does Rob do that?
He's working on the Z32 maf. When he figures it out, that is my plan. I know it could go 12.5 as is. With a perfect run, I don't doubt 12.4. With low 20's psi, I bet this could go 11's.

I don't really want to spend $1000 on a standalone for a car that I built for $3500 so far. So, I'll just wait.

I really like the EJ20G. Good power, no problems and cheap.
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Old 10-24-2010, 01:12 AM   #5
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just have to ask.. what RPM are you launcing at? and are you using launch control?

awesome numbers. i wish i could put down some numbers like that in my car...

maybe next summer...

-=Suberdave=-
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Old 10-24-2010, 08:50 AM   #6
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Launching at 5500 rpm with launch control.

I was able to get a 1.7 60' a few times earlier this year without LC, but it's inconsistent, I prefer to use it.
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Old 10-24-2010, 10:43 AM   #7
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Holy sleeper FTW! Very impressive.
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Old 10-24-2010, 09:43 PM   #8
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nice times! sleeper car for sure too....

im running rob's chip in my hybrid 22t legacy wagon running 13.2 @101 with a 1.8 60', but my car weighs 3385lbs tho lol
12.5's for sure with the right conditions
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Old 10-24-2010, 11:39 PM   #9
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Quote:
Originally Posted by 69subaru360 View Post
Launching at 5500 rpm with launch control.

I was able to get a 1.7 60' a few times earlier this year without LC, but it's inconsistent, I prefer to use it.
Yay for great results. Thanks for the plug.

Did you like LC at 5500? My base map is set for 5k. I think you are the only one who has asked to bump it up.

Just out of curiosity, how much do you think LC helps? I am not a 1/4 guy, so I have no feel for the scale of improvement.

-Rob
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Old 10-24-2010, 11:43 PM   #10
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Quote:
Originally Posted by 69subaru360 View Post
Launching at 5500 rpm with launch control.

I was able to get a 1.7 60' a few times earlier this year without LC, but it's inconsistent, I prefer to use it.
Dur....nevermind. I didn't read all the way down.
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Old 10-24-2010, 11:48 PM   #11
69subaru360
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Quote:
Originally Posted by rob View Post
Yay for great results. Thanks for the plug.

Did you like LC at 5500? My base map is set for 5k. I think you are the only one who has asked to bump it up.

Just out of curiosity, how much do you think LC helps? I am not a 1/4 guy, so I have no feel for the scale of improvement.

-Rob
I like it at 5500, I'd rather have slight wheelspin than bog it.

As soon as you are ready with the Z32 maf, I want one.
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Old 10-25-2010, 12:32 AM   #12
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Quote:
Originally Posted by 69subaru360 View Post
I like it at 5500, I'd rather have slight wheelspin than bog it.

As soon as you are ready with the Z32 maf, I want one.
yeah I know, I have quite a few interested in bigger MAF support. You can blame Mike and the Legacy crowd for keeping me well distracted....

It will be coming.

-Rob
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Old 10-25-2010, 06:19 PM   #13
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impressive!
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Old 10-25-2010, 09:41 PM   #14
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I am impressed. I want a Z32 Tune as well :P. I may have to send back my ECU for a slightly raised LC rpm limit and the boost cut eliminated.
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Old 10-25-2010, 09:49 PM   #15
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Thanks everyone.

Video, this was the slowest run of the day.


Last edited by 69subaru360; 08-25-2011 at 08:32 PM.
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Old 10-25-2010, 09:52 PM   #16
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What you should ask is how he pulled that time and managed to keep his gearbox intact.

Sniper, if you can break an STi 6-speed with my 550 tune, I'm not sure a bigger MAF tune is such a great idea....I think we may need a collective intervention.
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Old 10-25-2010, 10:01 PM   #17
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A couple other thoughts....

Technically the MAF runs out at 5.12v (or at least that's where the ECU table runs out). So you still have a bit of headroom. Just make sure you measure MAF signal to the MAF signal ground (not chassis ground).

Also, if you REAAALLLY wanted to stretch it you can still max out the MAF as long as you keep a real *real* close eye on the AFRs. The ECU will simply stop adding more fuel so you will start leaning out from the last fuel map cells. Again, you have a little bit of headroom before things go bad.

Are you running into the rev limiter in 4th? Would it help to raise it a couple hundred RPM more to avoid that last shift?

-Rob
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Old 10-25-2010, 10:02 PM   #18
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I think the LC is easier on the trans. It's more controlled, less room for operator error. My last 2 WRXs I drag raced using the LC and made probably 50 runs on each in the 12's and no trans failures.

I don't think I want to push it to the edge with the maf. The engine I have is a really nice, low mileage one and I don't want to break it doing something stupid. It runs perfect uses no oil, no leaks. My eventual goal is 11's. I know I can't pick up 6 tenths from what little headroom I might have on the maf, so it's not worth risking leaning it out and killing a piston to run 12.3 or so. With a bigger maf and low 20's psi, I think 11's is going to happen. I can wait.

I'm close to the limiter in 4th. But the engine doesn't really pull hard above 6500 rpm anyway. My math says I can go 116 or so in 4th, but I could be off.

Last edited by 69subaru360; 10-25-2010 at 10:10 PM.
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Old 10-26-2010, 11:41 AM   #19
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Correction I exploded 2 5 speeds lol. The 6 speed is good just broke a driveshaft and rear axle once :P. I am sure the 6 speed will hold up just fine lol. Even with the ACT Stg3 clutch I don't worry about the actual transmission ya jerk lol.
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Old 10-26-2010, 11:56 AM   #20
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This thing is a super super sleeper, Ive met you a couple times at Island at Englishtown this past weekend, I have the Red GC8 with 02 WRX Swap.
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Old 11-09-2010, 11:46 PM   #21
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haha sweet as sleeper! Good times! Those numbers I hit on my protuned stock turbo 06 Sti back in the day!
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Old 05-21-2011, 03:47 PM   #22
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Ran in on a dyno today.

279 hp 288 ft lbs tq

Dynojet 80 degrees out.

It's not as much of a sleeper anymore. I put on 6 spoke RS wheels with 4/2 pot brakes, P1 springs, AGX struts, Rallitek swaybars and some whiteline stuff. It handles and stops now as well as it goes.



http://s97.photobucket.com/albums/l229/tomrichdale/?action=view&current=VID00003.mp4


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Old 05-23-2011, 03:23 AM   #23
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Quote:
Originally Posted by 69subaru360 View Post
Ran in on a dyno today.

279 hp 288 ft lbs tq

Dynojet 80 degrees out.

It's not as much of a sleeper anymore. I put on 6 spoke RS wheels with 4/2 pot brakes, P1 springs, AGX struts, Rallitek swaybars and some whiteline stuff. It handles and stops now as well as it goes.






nice job, i cant wait to see how my build is going to effect the HP... because before i had the 550tune with FMIC. soon it will be semi built with fmic.. hoping for 300awhp. my intake/exhaust mani are PnP, and my head in/ex ports PnP as well... idk we'll see

what happen in that lil hick-up right around 4.5k rpm
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Old 05-23-2011, 08:40 AM   #24
69subaru360
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Quote:
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what happen in that lil hick-up right around 4.5k rpm
I think the clutch might have slipped a little on the dyno, I smelled clutch. It never does on the street though.
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Old 05-24-2011, 04:04 PM   #25
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Quote:
Originally Posted by azn0boi04 View Post

what happen in that lil hick-up right around 4.5k rpm
vtec kicked in
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