Ngk Tr55 Gap ?
#1
Ngk Tr55 Gap ?
I am getting ready to install these plugs on my 05 crew 5.3 and don't know what to gap them at. Could I get some suggestions on gap for best performance. I have a 89/93 performance w4m tune,k&n,cai and a 160 thermostat. Thanks ahead!
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#8
Damn, looks like I got others confussed on the gap as well. Maybe the best gap for performance can be discussed further. I see .40 looks to be the winner right now. Don't know if anyone else has tried different than .40,if they have please chime in. I am going with .40 and maybe we can see if others have different gaps for different set ups. Thanks for all the help and lets keep the discussion going. Hopefully this will help someone else with a slightly different set up than mine. CYA!
#9
TECH Enthusiast
Originally Posted by 04BlackGmc
Actually isnt the stock Plugs gaped at .45? Im pretty sure they are, only 03 and newer i think.Thats what the specs show.
#10
TECH Enthusiast
Originally Posted by callie
Damn, looks like I got others confussed on the gap as well. Maybe the best gap for performance can be discussed further. I see .40 looks to be the winner right now. Don't know if anyone else has tried different than .40,if they have please chime in. I am going with .40 and maybe we can see if others have different gaps for different set ups. Thanks for all the help and lets keep the discussion going. Hopefully this will help someone else with a slightly different set up than mine. CYA!
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ChucktheBarber (09-09-2018)