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Old 01-17-2003, 02:24 PM   #1
Scooby Newbie
Member#: 20870
Join Date: Jul 2002
Location: Lansing
2002 WRX
Midnight Black mica

Default electrical question

Using the Hyper Ground System, I'm doing a grounding mod using five points and the existing ground wires.

The instructions are generic, and I need to find the five best points to connect for my WRX. The instructions say "1. cylinder head, 2. manifold or surge tank, 3. cylinder block or transmission, 4. right side of chassis, 5. left side of chassis."

My initial idea is: each side of chassis(2), each side of intake manifold (2), tower strut (1). These will not be in series.

A) any better ideas using five points?

B) best way/point to connect to cylinder head (hanger?), engine block? transmission?

C) will any electrical benefit be lost by connecting to each side of the intake manifold?
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Old 01-17-2003, 04:10 PM   #2
Scooby Specialist
Member#: 3931
Join Date: Feb 2001
Location: Rochester, NY
WRX, Ninja, RX-7
Legacy, Fiat 850


The biggest affect comes from grounding both sides of the intake manifold. Run a wire from each over to the negative terminal of the battery. The strut towers did nothing (on my car) and neither did grounding near the tranny.

I was really bored last spring when I tried it and actually brought some equipment out to my car and measured the affects of the ground wires...
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Old 01-22-2003, 10:13 PM   #3
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Old 01-27-2003, 10:04 AM   #4
Scooby Newbie
Member#: 15816
Join Date: Feb 2002
Location: New York
1998 Impreza RS


how are you connecting wires to these various places? are you just using existing bolts or are you tapping or what?

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Old 01-28-2003, 09:23 AM   #5
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Member#: 17606
Join Date: Apr 2002
Location: Portland area, OR
2002 Impreza 2.5RS
Aspen White


Use the existing bolts, but make sure it is direct metal to metal contact. Then cover with some sort of petroleum or such to protect against corrosion.
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