Best spark plug for 5.3

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Jan 26, 2014 | 08:10 AM

#11

bobfig

TECH Apprentice

Joined: Oct 2010

Posts: 363

Likes: 3

From: Houston, TX

im running ac delco 41-110 and they are doing just fine.

Jan 26, 2014 | 10:02 AM

#12

GREENSIERRA

TECH Fanatic

Joined: Mar 2006

Posts: 1,092

Likes: 69

From: Canada

I have data logged ALOT of different plugs and wasted a lot of money doing it and my TR55IX seem to run the best with the least amount of miss fires.

Jan 28, 2014 | 09:36 AM

#13

Blwn99x

Launching!

Joined: Sep 2013

Posts: 208

Likes: 1

From: Lutz,FL (its called 'Lootz")

N/A= tr55. nitrous=tr6 or tr7. boost=tr6 or tr7

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