70 454 correct temp
Fellas, just picked up my first Chevelle about 2 months ago. Love it! Few minor things here and there, but I'm getting genuinely concerned about the water temp. So, it starts, idles, and drives great! Once it gets warmed up, it runs right around 210-215. I have stock gauges, stock fan, stock rad, stock Tstat (that I know of). When I'm cruising, it stays pegged at 210-220. But as soon as I get in traffic, it climbs pretty quick to 230-240. The other day I was in downtown and lot of start and stop to take pictures, and at one point it read 250. I turned it off, popped the hood, and nothing smelled like it was burning, no steam, no overflow on the ground. So, I started it back up, still at around 240, and started driving down the road and it cooled to around 220-230. Should I be concerned??? Seems a bit hotter than it should be... Temps have been in the low to mid 60s around here. The coolant does look old, so I'm going to do a flush this weekend and see if that helps. But, otherwise...what would you suggest next? Lower Tstat?? I have done a bunch of research and it seems the stock Tstat is a 195, but I get mixed reviews on which to run (195 or 180, even some suggest 160). That would make sense then to see 210 temps with a 195 Tstat. But for it to climb to 240-250, I'm not sure what is next. The car is for the most part in a stock setup.
1970 Chevelle 454, 4 spd Muncie, 12 bolt, 3.31, AC, PS, PB, Ridler 695, Nitto 555