7m billet 6265 qsv e85 aem at the dyno this thursday.

leftynridge

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#1
7m billet 6265 qsv e85 aem made 530hp 503tq at 19psi

Well I have an appointment scheduled this Thursday to get my car tuned on the dyno. The goal is 600whp. I wanted to see what psi you guys think it will take to acheive 600 whp with the stock head or do you think that it will choke out before it gets there. Here are some of my mods

7mgte .20 over weisco
Billet 6265 qsv .84ar
Aem ems
e85
2 walbro fp and steel braided fuel lines
1000cc Injectors
Dh61 ignitor
Is300 coils
Sequential injection
Stock head (comp valve springs)
Built r154
Etc...
 
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leftynridge

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#3
Im nervous that the head will choke out the Turbo before it gets there. I think around 23-25 psi the turbo will start producing less and less power per psi because of the head. We will see.
 

suprahero

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#5
Maybe with the added timing the e85 can handle, you can do it @ 20psi. I'm not sure about the flowing capabilities of the 7m's head and intake. My 1.5jz made 635@ 23psi. That puts it about 600 @ 20psi or there abouts. I run 93 octane with meth injection. I also have upgraded cams so it may end up taking 23 to 25psi. Make sure and get a good video of it and good luck.
 

IndigoMKII

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#11
You said 2 walbros, I'm assuming they're 255 since they're common. Would 2 255's be able to flow enough e85 to feed the 1000cc injectors for 600 rwhp? The reason I ask is because I'm not too familiar with e85.
 

mark1987supra

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#12
2 255 Walbro's is enough for the 600hp mark. I have 272 cams but stock head and everything else is comperable. I made 618hp @ 24 psi on E55 (dynoed around new years), will be dynoing later this year on E85 and around 30-35 PSI.
 

MRSUPRA

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#15
I don't think you have to worry about the stock head chocking it too much. A good turbo with a big A/R (like you have) can make up for a stock head with stock cams. Not to mention all the boost and timing you can run with E85. I say 600rwhp by 24psi.
 

leftynridge

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#18
Sorry for the delay guys. I have been scratching my head and pulling well I don't have hair. The car made 384whp 384tq at 20PSI. We stopped there cause something was not right. It should have been at 520whp by then. What do you guys think is the problem. I'm thinking the qsv might have been sticking. Feel free to ask me question about my setup cause I'm a little lost at this point.
 

leftynridge

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#19
The problem is I can't really diagnosis the issue until my mechanic gets back from Flrida next Wednesday. We've talked on the phone about what it could be and qsv is the topic of discussion. He said that he checked to make sure that it was fully opening before installation but I'm not sure if he checked the clearance while mounted on the Turbo and while mounted to just the exhaust manifold.
 

NashMan

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#20
just put some greas on the leaver and then go for a rip it should so how much it has moved


or some thing like that
 

leftynridge

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#21
I know that its moving as to how much is undetermined because you can't see the inside. We put a camera by it while it was on the dyno and it is moving.
 

Suprapowaz!(2)

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#22
Can you post dyno sheet & any vids of the qsv moving? It should move at least a quarter turn to allow the valve to open 90* right?

[video=youtube;_KNLKVgg8po]http://www.youtube.com/watch?v=_KNLKVgg8po[/video]
 

leftynridge

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#23
I don't have a dyno sheet available or the video. The torque curve starts around 3k and starts to drop off and go flat around 5k. The power curve same and starts to fall off around 5500. I know that the quick spool starts to open around 5.5psi and is fully open at 9psi. The power was really starting struggle with increasing right around when the qsv should of been fully open. But there was no real dip in the power curve. Really weird.
 

leftynridge

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#24
It could be something else not sure. This was just the first thing that came to mind. I think we are going remove the qsv completely to verify if that was the problem
 

NashMan

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#25
to me seam like some thing els with only one port open or some what open your car's power band would fall really quick
 

IBoughtASupra

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#27
Just look at the QSV when you are on the dyno. When the desired boost level is reached, the solenoid should be activated to ope have pressure reach the actuator to open the valve.
 

WeDgE

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#30
If the turbo was able to make it to 20psi, I have my doubts that it's the QSV. EGT would likely register abnormally high if the QSV wasn't working properly.

I'd be looking into boost leaks (couplers, BOV, etc.).
 

ncv6coupe

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#31
Boost steady or declining? Wastegate stuck open even though its brand new? What's your AF ratios? Did they not give you a hard copy of your run at all? E-mail you the logs? You spent money on that session I would think they would trouble shoot a little with you just knowing how capable that turbo is. Dude you need a camera phone :)
 

mark1987supra

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#32
With a QSV you need to check the clearance of the valve. The manifold and turbo exhaust flange sometimes need to be clearance to make sure the QSV actually opens fully.
 

leftynridge

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#33
Well finally got everything figured out. The car put down 530hp 503tq at 19psi on e85. We ended up running out of fuel with the injectors I had (precision 1000cc). I thought it would of been enough but I think since it was converted over to sequential injection it played a role. Took it to the track and on sumitomo 275/40/17 htrz-III I ran a 12.5 at 115mph with 1.8 60ft with a built r-154. No launch control, two step just rev and go. Thinking about throwing some mickey thompson drag radials on this baby and running it at the street life tour (king of the streets) at kilkare speedway in Xenia, Ohio next weekend. I think with a little more practice, drag radials, and a few more tweaks I can make it into the 11's easy. The crazy thing is that this car is hooking with just street tires. Stomp it at 20mph in first gear and no spinning. Go through the gears with the pedal to the floor you might get a little chirp.
 
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Supra28

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#36
Well finally got everything figured out. The car put down 530hp 503tq at 19psi on e85. We ended up running out of fuel with the injectors I had (precision 1000cc). I thought it would of been enough but I think since it was converted over to sequential injection it played a role. Took it to the track and on sumitomo 275/40/17 htrz-III I ran a 12.5 at 115mph with 1.8 60ft with a built r-154. No launch control, two step just rev and go. Thinking about throwing some mickey thompson drag radials on this baby and running it at the street life tour (king of the streets) at kilkare speedway in Xenia, Ohio next weekend. I think with a little more practice, drag radials, and a few more tweaks I can make it into the 11's easy. The crazy thing is that this car is hooking with just street tires. Stomp it at 20mph in first gear and no spinning. Go through the gears with the pedal to the floor you might get a little chirp.
Great numbers and congrats!

As for Kilkare Speedway this weekend, do you plan on going on Friday or Saturday? I checked their site and it says it's a two day event...I'd like to see this car on the track.
 

Jostar

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#39
Some one has A.D.D..... What was the problem?? I am going to guess it was in the tune, Timing wasn't Sync, What's your base fuel pressure??? YOu ran outta fuel at 500hp??? it should had been around the 650-725hp range...
 
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#40
Some one has A.D.D..... What was the problem?? I am going to guess it was in the tune, Timing wasn't Sync, What's your base fuel pressure??? YOu ran outta fuel at 500hp??? it should had been around the 650-725hp range...
Come on Art... not everyone has a 1JZ to make power! LoL....

To the OP... nice numbers but help us out with a nice scan of the dyno graph so we can see what your motor did. A graph of whp vs rpm + boost at the bottom is best.