Hei Coil

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Apr 30, 2005 | 06:01 PM

1tpi

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Senior Member

Joined: Apr 2004

Posts: 587

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From: Calif

Car: 75 Vette

Engine: 406 TPI

Transmission: 700 R-4

Axle/Gears: 373

Hei Coil

I'm changing to a small cap HEI Does the external
coil need to be grounded

Apr 30, 2005 | 07:10 PM

1tpi

Thread Starter

Senior Member

Joined: Apr 2004

Posts: 587

Likes: 0

From: Calif

Car: 75 Vette

Engine: 406 TPI

Transmission: 700 R-4

Axle/Gears: 373

Help Anyone

Apr 30, 2005 | 08:34 PM

redrummer

Member

Joined: Jun 2000

Posts: 200

Likes: 0

From: Bethlehem, Ga

Car: '88 Trans Am GTA

Engine: 5.7L L98

Transmission: 700r4

Axle/Gears: 3.27 Aussie 9 Bolt

The external coil is grounded by way of its mounting bracket.

Apr 30, 2005 | 08:48 PM

1tpi

Thread Starter

Senior Member

Joined: Apr 2004

Posts: 587

Likes: 0

From: Calif

Car: 75 Vette

Engine: 406 TPI

Transmission: 700 R-4

Axle/Gears: 373

Yes , This is a retro, And not a stock bracket.
Do I have to ground it

Apr 30, 2005 | 09:01 PM

rgarcia63

Supreme Member

Joined: Jan 2003

Posts: 2,133

Likes: 4

From: Houston, Texas

Car: 88' IROCZ

Engine: 388 TPI Motown 350 Race block

Transmission: 700R4

Axle/Gears: 2.77

Quote:

Originally posted by 1tpi
Yes , This is a retro, And not a stock bracket.
Do I have to ground it

Yes, but show us what you got, or tell us. Always give Manufacturer, type, & model, so we won't be

, retro is just a general term.

Last edited by rgarcia63; Apr 30, 2005 at 09:03 PM.

Apr 30, 2005 | 11:01 PM

1tpi

Thread Starter

Senior Member

Joined: Apr 2004

Posts: 587

Likes: 0

From: Calif

Car: 75 Vette

Engine: 406 TPI

Transmission: 700 R-4

Axle/Gears: 373

It's just stock with the bracket up against a non grounded surface
Just wondering do I need To ground the Bracket?

May 1, 2005 | 01:15 AM

rgarcia63

Supreme Member

Joined: Jan 2003

Posts: 2,133

Likes: 4

From: Houston, Texas

Car: 88' IROCZ

Engine: 388 TPI Motown 350 Race block

Transmission: 700R4

Axle/Gears: 2.77

The factory bracket does ground the core, but the coil windings are isolated, so I don't think it matters.

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