Engine Temp Range 427/ 351w CARBERATED

[ThickCobra]

The anniversary water temp gauge reads in Centigrade. All may read in centigrade for all I know. My question is what is an acceptable safe operating temperature range for this particular engine in centigrade for my 427/351 w Dart with carburetor.?

[Jeff Kleiner]

Hard to say definitively without knowing what temperature thermostat is installed but generically I'd expect to see operating temps between 180F (82C) and 200F (93C).

Jeff

[JRL16]

I contacted speed hut and had my temp gauge redone in fahrenheit (guess thats how its spelled). The speedo reads in MPH so I didn't want the temp to read in centigrade.

[Railroad]

I just got my anniversary temp gauge and speedo back from Speedhut. They changed my C to F and added hi beam and turn signal indicators and kept the anniversary logos. No centigrade for me, either.

[Frank Messina]

To add to what Jeff said about temp range, this will also be influenced by the brand and type of thermostat you use. I have found that Motorcraft thermostats open more consistently at the stated temp than other brands. Be sure to check the opening in a pot of water with a thermometer before installing. In one test I conducted, a 180° Thompson opened at 190°. You may be surprised at what you find.
Frank

[CraigS]

In general carb sbf engines run 180F and efi run 195F. Now that can be the exact same engine w/ different fuel systems but it gives you the normal accepted range.
180F = 82C
195F = 90.5C
I have run my 351 and stock block 408 at 180F

[ThickCobra]

I have the 427/351w 780 carb from Mike Forte with a 180 thermostat. Thanks is for the responses.