54bobby Posted September 2, 2013 Share Posted September 2, 2013 guys, I have a leak coming from the t housing so i'm getting a new one from rock auto. what t-stat should I get. the truck is an 87 2.5 w/ 170,000 on the clock. they have 3 temp ranges. 160, 180, and they say oem 195. Link to comment Share on other sites More sharing options...
AeroNautical Posted September 2, 2013 Share Posted September 2, 2013 Operating temp for the 4.0 is 210, and I believe it's the same for the 2.5. 195 is the one you want, much lower than that and your engine won't get up to a healthy operating temp. When you buy a new one, it should have a small brass plug at the top of the thermostat that rattles around. Make sure that remains at the top when installing it, it allows the closed system to "burp" itself, or so I've been told. Link to comment Share on other sites More sharing options...
Eagle Posted September 2, 2013 Share Posted September 2, 2013 You want the 195. They are correct that 195 is the OEM rating. Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now