Best Plugs and wires for LS1?
11 Second Club
Joined: Feb 2003
Posts: 5,524
Likes: 1
From: The South
EVERYBODY here seems to run NGK TR55's, unless they spray. Factory stock or replacement wires are okay, MSD superconductor is good and the expensive taylor wires are also good. (not the cheaper of hte two taylors, they rip)
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How about Granatelli motorsports spark plug wires...I havent run them yet but I saw an article in this months chevy high performance or gm high tech(im not sure) and the plugs gave a brand new silverado 15rwhp I swear, anyone else see tha article???
Can't go wrong with this combo. 
TECH Senior Member
Joined: Mar 2004
Posts: 14,620
Likes: 17
From: BFE
Originally Posted by 777
MSD 8.5's and NGK tr-55's. I had taylors on before but they were hard to get off the plugs without breaking them.
Damn near everyone uses NGK TR55's, but which ones? The local shop has standard, v-power, platinum, and iridium plugs all TR55's. Looks to me like the V-power will hang out into the cylinder about twice as far as the others???