the right spark plugs

[GNX-RX7]

what are the correct spark plugs for a hot air it seems like my cars running on 3 cylinders

 

[Ttype83]

Depending on mods and boost.. R44TS I think was stock. I use R43TS in both of my cars

 

[TURBOV8R]

I'm running the Autolite iridiums in an 87 and runs great.