what spark plug gap ngk tr6?

[gregorio]

2.76 pulley on posi ported blower. little to no mods in sig

 

[timspony]

0.032" to 0.035" .... Good luck!

 

[Bdubbs]

What he said! ^^^^^

 

[SpectorV]

copper can use a smaller gap vs Iridium such as .32 copper vs .38 Iridium that was what I did on my 2.93 upper only with my Iridium TR6 NGK's with a bit more boost you may not want to go .38 though on Iridium~

 

[RedfireSVT]

i believe i used a .033 gap with tr6's when i had my eaton.