Stop in for a cup of coffee

WV64Signet said

Hahah. Yeah. The car had colder plugs and a 160 thermostat in it before.

Changed R43TS to R45TS plugs
Changed thermostat to a 180

Click to expand...

Cold or hot plugs really don't do a thing for engine temps. Cold plugs will make your engine run rich and like crap. Too hot can melt pistons. Run Champions and never A/C in a Mopar.