Crossfire SRT6 A place to discuss SRT-6 specific topics.

Stacked pulleys - 23 psi with no codes. :)

Old Dec 27, 2011 | 07:43 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

Originally Posted by grip grip
I've run the NW single with no filter at the track before
the system loses CFM without the filter there, the filters internal curved inlet increases flow, we tested this on the flowbench.




as stated earlier in the thread, even getting 2nd gear to run only a little lean does not solve 3rd, 4th, or 5th, right now i bet i can tell you what is happening...

1st gear feels great
2nd gear pulls like a freight train until the high rpms (~5500) where the afr raises into the 13's and the car noses over
3rd gear pulls like a **** until ~ 5000rpms when it noses over from high AFR into the neighborhood of 15-17:1, knock and then pulled timing
4th gear should even be attempted at wot as the problem only gets worse, same for 5th

a lot of us have been there and done this, please take this from someone that has seen more modified srt6 datalogs than i bet anyone (including those that tune ECU's) and i have seen this scenario happen 40 times.

i hope you did find the solution to this, i really do, but just that pump doesn't do it IMO

shoot over a datalog and we can discuss what is happening - rob

i dont see what datalogger you have, i hope its a zeitronix with dashdaq, if so record...
rpm
tps
afr
boost
timing
ait
ect
speed
 
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Old Dec 27, 2011 | 07:56 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

rob i have seen anthony's data setup. first class! crayola red crayon and a yogi bear coloring book!
 
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Old Dec 27, 2011 | 08:13 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

Originally Posted by 32krazy!
rob i have seen anthony's data setup. first class! crayola red crayon and a yogi bear coloring book!
Oh damn. I can't wait for the response...this is better than watching TV...
 
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Old Dec 27, 2011 | 08:21 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

Originally Posted by 32krazy!
yogi bear coloring book!
That's mine, actually. Now I know where it went!
 
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Old Dec 27, 2011 | 08:33 PM
  #45 (permalink)  
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Default Re: Stacked pulleys - 23psi with no codes. :)

I use an archaic datalogging program from Palmer Performance (PCM Scan Pro), which enables me to log everything the big $$ programs do. Yes, it's not the uber-expensive, big dollar system money-bags Steve has, but it gets the job done.

My cost for the software and OBD-to-USB cable was under $200. In all honesty, I did send them a check I filled out with a crayon. That's all I had at the time.



 

Last edited by grip grip; Dec 27, 2011 at 08:36 PM.
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Old Dec 27, 2011 | 08:35 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

anthony put your kids crayons back!! your drawing outside the lines!
 
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Old Dec 27, 2011 | 09:18 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

Originally Posted by velociabstract
I believe we've all figured out that the I/C under the supercharger is the bottleneck. We're trying to find the best way to improve the systems before and after because were stuck with the I/C.
Les


 
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Old Dec 27, 2011 | 09:22 PM
  #48 (permalink)  
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Default Re: Stacked pulleys - 23psi with no codes. :)

Originally Posted by BrianBrave


brian i still haver the roll you sent me!! one day when the s/c is out ill do just that!
 
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Old Dec 27, 2011 | 09:22 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

I remember the baked potato mod. I know and use the search feature. But you know how it is, seeing is believing.

Les
 
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Old Dec 27, 2011 | 09:24 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

Originally Posted by velociabstract
I remember the baked potato mod. I know and use the search feature. But you know how it is, seeing is believing.

Les


 
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Old Dec 27, 2011 | 09:26 PM
  #51 (permalink)  
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Default Re: Stacked pulleys - 23psi with no codes. :)

Are you doing the Texas mile in 2012? With what you've learned you should be in the 170's.

Les
 
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Old Dec 27, 2011 | 09:29 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

Hey Brian, can you point me in the right direction for a bolt-on replacement fuel injector that flows approximately 51lb/550cc at 43.5psi? I'm definitely out of injector.
 

Last edited by grip grip; Dec 27, 2011 at 09:39 PM.
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Old Dec 27, 2011 | 10:06 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

I think I've gathered the data I need for now, so the stock pulley is going back on until I can find some injectors.

If the injectors don't fix the lean issue, I'll retune.

I can't drive like a grandma everyday, so the fun must commence.
 
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Old Dec 27, 2011 | 10:14 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

Originally Posted by velociabstract
Are you doing the Texas mile in 2012? With what you've learned you should be in the 170's.

Les
Sense one of my heroes is from Lares, tonight I'll cut you a little slack.....
 
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Old Dec 27, 2011 | 11:17 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

Here are my two options so far, both are 550cc:

The part number I found is 156028550.

EV1 - Import Fuel Injectors - Custom Milled High Performance Impreza WRX and Mazda RX7 Siemens Injectors - 028BMW550
$435

C32 AMG 2002-04 | Mercedes | European | Fuel Injectors | DeatschWerks
$499

Due to being cheap, I'll be searching for less expensive alternatives.
 

Last edited by grip grip; Dec 27, 2011 at 11:31 PM.
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Old Dec 27, 2011 | 11:31 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

Hay grip,have you even talked to Rob yet you know he is in the for the cars not the money look at this ,, maybe you should give him a call. jim

http://www.needswings.com/ProductIma...uelsystems.jpg

note this part of the above:

from Needswings fuel system on Needswings site.

[FONT='Arial', 'sans-serif']We intentionally did not add larger injectors to the SRT6 due to wanting the car to run properly during not wide open throttle operation also. Larger injectors would be "broad swording" the issue and the car would be running extremely rich while normal driving. We have seen our fuel system supply more than enough fuel for 25psi thru the factory injectors at a factory injector duty cycle. [/FONT]
 
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Old Dec 27, 2011 | 11:36 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

Originally Posted by amx1397
Hay grip,have you even talked to Rob yet you know he is in the for the cars not the money look at this ,, maybe you should give him a call. jim

http://www.needswings.com/ProductIma...uelsystems.jpg

note this part of the above:

from Needswings fuel system on Needswings site.

[FONT='Arial', 'sans-serif']We intentionally did not add larger injectors to the SRT6 due to wanting the car to run properly during not wide open throttle operation also. Larger injectors would be "broad swording" the issue and the car would be running extremely rich while normal driving. We have seen our fuel system supply more than enough fuel for 25psi thru the factory injectors at a factory injector duty cycle. [/FONT]

Thanks Jim, but I simply cannot justify spending that kind of money for the full setup. I just don't have it.
 
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Old Dec 27, 2011 | 11:56 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

you may not have to, you already have the pump you just need the set up with the reg. I have his system on my car and i am not using a walbro pump,, I needed it for the V8,,, he did say to you"shoot over a datalog and we can discuss what is happening - rob" he is willing to help, and between him and Rudy,those two know more about a crossfire than all 8000+ forum members put together. jim
 

Last edited by amx1397; Dec 28, 2011 at 12:01 AM.
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Old Dec 27, 2011 | 11:59 PM
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Default Re: Stacked pulleys - 23psi with no codes. :)

Originally Posted by amx1397
you may not have to, you already have the pump you just need the set up with the reg. I have his system on my car and i am not using a walbro pump,, I needed it for the V8
True, but I need the electronics to control it all, and that's what is $$.
 
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Old Dec 28, 2011 | 12:06 AM
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Default Re: Stacked pulleys - 23psi with no codes. :)

yep and it is not cheap,,, but when it came down to it, i had to have it,, made the wife go back to work to pay for it.and the engine swap.
 
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