Take the thermostats and put them in a pot of water with a candy thermometer.
Put them on the stove and check the temp where they open.
Doug
Gmblows@aol.com wrote:
> Is there any possibility that my stock 195 degree thermostat could have been
> opening below 180 degrees?
> The reason I ask is, when estimating where it was opening at I cam up with
> about 180.
> Then I changed to a Stant HD 180 degree thermostat on Sat. now it is running
> a full needle width hotter. The needle would never touch the (2) in 210, now
> it is always touching the (2).
> And yes I bought the truck new, and yes the stock thermo said 195 on it.
> Hmmmm... my 99 5.2 never pinged either!
>
> GM blows
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 11:51:11 EDT