8 mm spark plug wires

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07-07-2010, 03:08 PM

CNCman

1st Gear Member

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Join Date: Jul 2009

Location: Ms Gulf Coast

Posts: 269

8 mm spark plug wires

I need to replace the stock 7mm spark plug wires. Will there be any issues with larger wires on a stock GM opti ? THANKS !

07-07-2010, 03:10 PM

gfrench

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Join Date: Jun 2010

Location: Colorado

Posts: 556

nope, work fine.

07-08-2010, 01:05 PM

craby

April 2011 ROTM

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Location: Tokeland, Washington

Posts: 21,646

no issues with the opti. only thing you may run into is the bigger wires are a pain to get into the looms.

07-08-2010, 01:10 PM

libertyforall1776

Overdrive Member

Join Date: Nov 2006

Location: IL

Posts: 4,042

Not at all, just drill them out and file down the rough edges -- problem solved w/8.5mm MSD wires! ;-)

Quote:

Originally Posted by craby

no issues with the opti. only thing you may run into is the bigger wires are a pain to get into the looms.

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