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Scion tC 1G Forced Induction Turbo and supercharger applications...

trouble making power up top...help!?

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Old Mar 3, 2009 | 11:56 PM
  #81  
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Originally Posted by rhythmnsmoke
Interesting. What gave you the indication it was maxing out?
ultimate logs, at full boost i was anywhere from 5.0-5.7v It also threw a MAF voltage high code. Which ____es off the ECU and according to ptunning, makes the car dump fuel like a garden hose and starts eating timing like tic-tacs. He was also hoping it would account for my misfire, which it may have. Wont know till i get a scan, but im still getting some stutter at high RPM accel.
Old Mar 4, 2009 | 12:07 AM
  #82  
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Originally Posted by toyota_scion_tc
Originally Posted by rhythmnsmoke
Are you converting to a blow-thru setup? If not, you will have trouble having the MAF installed on a 3 inch intake.
Unless you are on a standalone.

LOL.

Ultimate will also. Remember, PTuning's kit is a blow thru type and they were running the Ultimate.
Old Mar 4, 2009 | 12:12 AM
  #83  
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Originally Posted by rozz-tC
Originally Posted by rhythmnsmoke
Interesting. What gave you the indication it was maxing out?
ultimate logs, at full boost i was anywhere from 5.0-5.7v It also threw a MAF voltage high code. Which ____es off the ECU and according to ptunning, makes the car dump fuel like a garden hose and starts eating timing like tic-tacs. He was also hoping it would account for my misfire, which it may have. Wont know till i get a scan, but im still getting some stutter at high RPM accel.

What is the max the MAF should stay below.
Old Mar 4, 2009 | 12:26 AM
  #84  
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Originally Posted by rhythmnsmoke

What is the max the MAF should stay below.
5.0v is the max, The way it was explained to me tho, anything over 4.8v starts to get hairy with the ECU. I was told to clamp mine below that point, then re-tune fuel. Which i did, then cleared the code. and the car instantly gave me back like 5-7 degrees of timing (from 10-12* to 15-17* ), So even with me pulling more timing (again suggested by ptunning) im still running more advance than it was previously. Before the clamp, I was pulling 1* and running at about 12* down to 10*, now with pulling 2* at 6psi, 6* at 8psi, 8* at 10psi. the car still runs around 15* or so. Once on a dyno he said I can bring the timing back up to make my power, but for tuning fuel on the street to leave it how it is. Once I'm sure im not misfiring, or fix it if i am. Then ill schedule some dyno time and give it a final tune.
Old Mar 4, 2009 | 12:27 AM
  #85  
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4.99 Volts or 5.0 Volts
Old Mar 4, 2009 | 01:28 AM
  #86  
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I think I'll check my old logs to see what mine was running. Just when you think you got this tuning thing under control, some other things can be tweaked...lol.

And +1 Toan from PTuning does know his stuff. He helped me diagnosis a starting problem with the Ultimate in like 20 mins, after I told him my situation.
Old Mar 4, 2009 | 01:32 AM
  #87  
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Originally Posted by rhythmnsmoke
I think I'll check my old logs to see what mine was running. Just when you think you got this tuning thing under control, some other things can be tweaked...lol.

And +1 Toan from PTuning does know his stuff. He helped me diagnosis a starting problem with the Ultimate in like 20 mins, after I told him my situation.
Yeah, but damn i wish they were closer to me! lol However...they prolly dont
Old Mar 4, 2009 | 01:42 AM
  #88  
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^^Yeah know what you mean. I'm 10 hours away from them.
Old Mar 4, 2009 | 02:09 AM
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+1million for taon he's the man
Old Mar 4, 2009 | 01:37 PM
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Originally Posted by toyota_scion_tc
Originally Posted by rhythmnsmoke
Are you converting to a blow-thru setup? If not, you will have trouble having the MAF installed on a 3 inch intake.
Unless you are on a standalone.

LOL.

Yep! With the standalone you can run a 5" intake and it won't matter.
Old Mar 4, 2009 | 04:06 PM
  #91  
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Originally Posted by paul_dezod
Originally Posted by toyota_scion_tc
Originally Posted by rhythmnsmoke
Are you converting to a blow-thru setup? If not, you will have trouble having the MAF installed on a 3 inch intake.
Unless you are on a standalone.

LOL.

Yep! With the standalone you can run a 5" intake and it won't matter.

Now that I reread what was written, if the MAF is still in the stock setup location and you run a larger than 2.5 inch intake, then yeah probably a Standalone is best. But for a blow-thru setup, of course you don't need to run a standalone. Sorry Nick, I thought you were talking about running the blow-thru setup and needing to have a standalone for that.
Old Mar 4, 2009 | 05:11 PM
  #92  
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Originally Posted by rhythmnsmoke
Originally Posted by paul_dezod
Originally Posted by toyota_scion_tc
Originally Posted by rhythmnsmoke
Are you converting to a blow-thru setup? If not, you will have trouble having the MAF installed on a 3 inch intake.
Unless you are on a standalone.

LOL.

Yep! With the standalone you can run a 5" intake and it won't matter.

Now that I reread what was written, if the MAF is still in the stock setup location and you run a larger than 2.5 inch intake, then yeah probably a Standalone is best. But for a blow-thru setup, of course you don't need to run a standalone. Sorry Nick, I thought you were talking about running the blow-thru setup and needing to have a standalone for that.

Its cool if it were someone else though it wouldn't be! JK
Old Mar 5, 2009 | 01:48 AM
  #93  
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^^That's my dog.
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