LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

TR55 or TR55GP?

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Old

May 13, 2006 | 09:29 AM

#1

Jazsun

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Joined: Jun 2005

Posts: 1,834

From: Indiana

TR55 or TR55GP?

I dont know what to get the difference is only like 60 cents.

TR55 GP which has a platinum electrode:
http://store.summitracing.com/partde...5&autoview=sku

or Plain TR55 which has the nickle alloy electrode:
http://store.summitracing.com/partde...5&autoview=sku

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Old

May 13, 2006 | 09:57 AM

#2

96capricemgr

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Joined: Feb 2004

Posts: 4,800

Re: TR55 or TR55GP?

For a fairly stock car the platinum would be OK with the ONLY benifit being they should last longer, but for performance use most of us stick with a plain plug like the TR55.

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