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Old 10-24-2003, 08:43 PM   #1
Scooby Newbie
Member#: 44557
Join Date: Oct 2003
Chapter/Region: MAIC
Location: Virginia Beach, VA
05 Legacy OB Wagon
Willow Green Opal

Default 20 HP Gain...are they for real?

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Last edited by cloudbrk; 10-24-2003 at 08:49 PM.
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Old 10-24-2003, 09:02 PM   #2
Scooby Newbie
Member#: 30889
Join Date: Dec 2002
Location: renton
1999 legacy gt


nonsense... i think this is one of those resistor mods. you can do the same thing with a resistor from radio shack for about 8 cents, not that its even worth that much.
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Old 10-25-2003, 02:19 PM   #3
Scooby Newbie
Member#: 33067
Join Date: Feb 2003
Chapter/Region: MWSOC
Location: MI
1998 Legacy Wagon
Spruce Pearl


If anybody wants to verify the usefulness of this "mod", do this:

1) Get a 0 ohm - XXX ohm potentiometer

2) Wire it inline with the IAT sensor

3) Get some dyno time

4) Do multiple runs, each time adjusting the potentiometer so the resistance is larger. Start at 0 ohms for a base run.

5) Look at the dyno graphs. They don't lie
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Old 10-26-2003, 01:20 PM   #4
Scooby Specialist
Member#: 38120
Join Date: Jun 2003
Chapter/Region: South East
Location: Greenville, SC
1991 Rio Red
Legacy Turbo


Sounds like that could give you some detonation in hot weather. Maybe that's just me....
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Old 10-27-2003, 02:15 PM   #5
Scooby Newbie
Member#: 45703
Join Date: Oct 2003
Chapter/Region: NWIC
Location: seattle, WA

its a scam. it might give you .5 hp gain, and yes advancing timing that much will probably give detonation without race gas. especially on a turbo.
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