Which NGK's?

[MOORESPEED]

I have TR7's in my truck right now, but sure if I should try the TR6's since thats what alot of guys on here are running. Should I give the TR6's a try or just stick with the TR7's?

 

[LightningMAS]

with ur mods, u should gotten the TR6's...

 

[SvtFireFighter]

Get Tr6's and i gapped mine at .38 that was sam told me i havent any problems

 

[Derek@Amazon]

tr6's gapped at .35 here

 

[Nvr_Spds]

I believe my TR6s are gapped at .38 as well. I had my lower pulley installed, a week before i did my plugs, and i couldnt believe the difference. The truck idled, and pulled smoother. What a difference a plug can make.

 

[LightningMAS]

mines TR6's gapped at .36

 

[AZ ERIK]

My Tr6IX's are gapped at .38 and are fine with my 4#, I'm adding a 2# upper in the next week or two.

 

[MOORESPEED]

whats the difference in the two plugs? Im gonna go with the TR6's this time, but just curious why there better then the TR7's. I thought they were safer when running more boost?

 

[kromdom]

This plug chart helped me:

 

[MOORESPEED]

If the chart is correct then shouldnt the 6 pounder guys be running the NGK 7's?