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

NGK TR6 or TR55?

Old Mar 13, 2004 | 12:32 PM
  #1  
jdizzell's Avatar
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From: Orlando, FL
NGK TR6 or TR55?

Just wanted to know if there is difference between the two? Im in the market for plugs.
Old Mar 13, 2004 | 01:23 PM
  #2  
1994TransAm's Avatar
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From: port huron, michigan
tr6 is a colder plug i think... used for NX
Old Mar 13, 2004 | 02:09 PM
  #3  
Robbie's Avatar
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From: Greenville SC USA
Originally posted by 1994TransAm
tr6 is a colder plug i think... used for NX
Yep, TR6= Colder plugs used for boosted or N20 applications. TR5's I believe are the same as stock with a little more spark efficiency.
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