my car is a 99 t/a with 150,000 on it just getting around to changing the plugs and wires I got ngk tr55's what should they be gapped at the car is n/a no nos with gears drop in and a tuner....I plan on doing an intake and headers later on oh I also have an slp lid not that has alot to do with anything I dont think. So it should be .058?

 

gap them to .045

 

Thank you cars at the shop right now

 

Gap should be .055

 

So what is it?

.045 ?
.055 ?
.058 ?

 

I gap my TR55s at .055 also.

 

I think TR55's are pre-gapped to .055

 

well it's to late now LOL car seems to be running a hell of alot better too well......the original plugs and wires had almost 150,000 on them so yeah LOL.