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View Full Version : Which? xp105 or app106.

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10-19-2008, 11:37 PM
Will both work well in a 1996 Chevrolet caprice with LT1. 78,000 miles. Other possible spark plugs?
ss.slp.ls1
10-29-2008, 05:15 PM
Will both work well in a 1996 Chevrolet caprice with LT1. 78,000 miles. Other possible spark plugs?

When it comes to spark plugs & wires, I just go with MSD 8.5 wires and NGK TR55 spark plugs and call it a day.