Quote:
Originally Posted by John O.
Going to flush out coolant and change thermo. Car runs around 180-190 in the summer. Never runs hotter. Problem is I replaced temp sending unit today and started car up and immediately watching radiater, coolant was flowing through it and it was a stone cold engine. Outside temp 70. seemed to run fine all summer unless it just stuck open today. Dont know how old anti freeze is so figured I would drain and fill. What thermo would be best 180?
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If no issues, stick with what works for you. 180 would be fine. If you do any cold weather winter driving, then 195 so as to get some heat in the engine/heater. Keeping the engine cooler is good in helping prevent detonation IF you were having any. I like to run a 160, but that is me.