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Old 04-18-2012, 05:04 PM   #1
bugeyepower
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Member#: 274544
Join Date: Feb 2011
Chapter/Region: SCIC
Location: atascadero, ca
Vehicle:
03 impreza wrx
self tuned, black

Default running high boost

i have been searching and cant find the info i am looking for. i just got a sz 49 and i know i am going to over run my maf when tuning for this turbo.what i am looking for is what i am going to need to get to be able to tune to get the most out of this turbo. i have heard of the hacked maf? would like to know more about it. also whats needed to put a 3.5 bar map in a 2003
i have all the supporting mods
720cc injectors
water meth
ver. 7 sti intercooler
fully built and ballanced ej205
supertech pistons
sti rods
arp rod bolts
acl race bearings
arp head studs
272 crower cams
bc springs & retainers
my car is a 2003 wrx 16 bit ecu
thanks
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Old 04-18-2012, 07:54 PM   #2
Bamofo
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Member#: 159743
Join Date: Sep 2007
Location: Plymouth Ma
Vehicle:
07 STI Limited
TurboMike Tuned 2.35

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Just need a bigger intake, say from KS Tech or Perrin's Big Maf and for the MAP you can get an Omni 4 bar that you will find all the offset and multiplier values or do the math and get an AEM MAP sensor. Done. Its not too tough just need someone to tune for the big maf and THEN do the MAP sensor... easier to troubleshoot one issue then 2 at the same time.
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Old 04-18-2012, 09:56 PM   #3
unknown001
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Member#: 156326
Join Date: Aug 2007
Chapter/Region: South East
Location: Mobile
Vehicle:
2011 RA
03 bugiftw for the track

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You could also just run the carberry speed density rom. Then you would only need the upgraded map sensor.
You may want to stay away from the omni map sensors on a 16 bit ecu. People have had idle issues with them on the 16 bit ecus but they work great on the 32 bit ecus.
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Old 04-20-2012, 01:40 AM   #4
bugeyepower
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Member#: 274544
Join Date: Feb 2011
Chapter/Region: SCIC
Location: atascadero, ca
Vehicle:
03 impreza wrx
self tuned, black

Default

i have put alot of thought into speed density. but i am having a problem getting it to work with ecuflash. if some one could help me with that i think i will go in that direction?
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Old 04-20-2012, 07:50 AM   #5
unknown001
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Member#: 156326
Join Date: Aug 2007
Chapter/Region: South East
Location: Mobile
Vehicle:
2011 RA
03 bugiftw for the track

Default

For carberry's rom the ecuflash definitions haven't been finished yet. You have to edit the tables in romraider and flash the rom with ecuflash. You can pm me and I will do my best to help you with it.
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Old 04-20-2012, 03:26 PM   #6
bugeyepower
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Member#: 274544
Join Date: Feb 2011
Chapter/Region: SCIC
Location: atascadero, ca
Vehicle:
03 impreza wrx
self tuned, black

Default

so even without the defs you can still flash it onto the car? didnt know you could. i will try it as soon as i get the car back together. thanks
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Old 04-27-2012, 07:07 PM   #7
DannyW
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Join Date: May 2011
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I have an ATP 3071r. All I did was use a 3" MAF housing as well as rescale the MAF table mass flows and all load columns so I could hit 24-25 psi max. It works pretty good.

I did this in a couple steps however. First I tuned with the real loads and mass flows keeping boost low enough to stay below 300 g/s which works out to about 17-18 psi. Once I was satisfied with that I extended the tables, extrapolated them out as a starting point, then tuned the top end from there.

Dan
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