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Old 04-22-2009, 12:59 AM   #1
subienewbie2.5
Scooby Newbie
 
Member#: 208616
Join Date: Apr 2009
Location: Cali
Vehicle:
2002 Impreza Rs 2.5
Silver

Default Another supercharger project!

Hello my name is Ian. ive read countless threads about SC vs. TC. I myself like the SC's, But what im here for is help. Ive been doing tons of research on turbocharging and supercharging the Rs 2.5. Seeing as its a high compression engine (in comparison to the wrx) i plan on going supercharger. I already have my supercharger its an eaton m62. I plan on getting a rrfpr, better fpr, parallel fuel rail setup, wrx fuel pump, 06'+ wrx tmic, and eventually a ems. Is it safe to run this setup minus the ems. any other sensors i need to get. Any other help is greatly appreciated, oh im kinda new at all this stuff so if im buggin to much let me know thanks...

IAN

i was also looking into getting a wideband also....
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Old 04-22-2009, 01:38 AM   #2
ballitch
Scooby Specialist
 
Member#: 74907
Join Date: Nov 2004
Chapter/Region: NWIC
Location: salem, OR
Vehicle:
98 cam'd EJ251
Wrx Tranny,slowr than ish

Default

Without the AEM EMS, I would definately get larger injectors (at least wrx 440's) and some sort of way to control fuel and timing. Without a wideband, you are hit or miss, or worse on your A/F ratio, so dont skimp. A wideband is cheaper than an engine....

If you havent already (which you might have) check out reddevil's threads, basically the pioneer for SC'ing a subaru. Dont forget to check out Skidd's thread in this forum also. Lots of good info in both.


~Josh~
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Old 04-23-2009, 01:46 AM   #3
subienewbie2.5
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Member#: 208616
Join Date: Apr 2009
Location: Cali
Vehicle:
2002 Impreza Rs 2.5
Silver

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thank you very much i will
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Old 04-25-2009, 03:58 AM   #4
Spudchucker
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Member#: 201147
Join Date: Jan 2009
Chapter/Region: NESIC
Location: NH
Vehicle:
2006 Impreza 2.5ISC
M90 SUPERCHARGED

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Get ready to make a biiiiigggggg drive pulley. Both Skipp and reddevil's builds produced very low pressures (2-3 psi) with the OEM sized pulleys. Mine is making 4 psi with an underdrive crank pulley, but it's an M90 and that requires *ehem* extensive modifications to the car.

Good luck, and ask a lot of questions
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