Spark Plug Help
 

What plugs do i need to run in a supercharged 2v with 10 psi. I have reserched and could not find a good answer. LMK what yall think.

I prefer br7ef ngk plugs, a lot of people like the tr6 at that boost level

Ok cool prolly go with the tr6. Did a google search and it seems alot of people are running them. I have autolite 104s in my car now. Seems to run fine but just want to make sure everything is rite.

spark plug
 

I was needing to no what plugs to use in my 359w 67mm turbo car

What fuel are you running?

TR6-4177's are what a lot of the Lightning guys are running (same 2V heads). They're one heat range colder than stock.

I am running 93 octane that's what is set up for

Will a exhaust leak make it run lean its running 10.0 on my wideband when I get in it

Depends on if the leak is before the wideband. I would start with a 7 heat range plug and see what the plugs look like, maybe a 8 depending on how much boost

:stupid: