3.0 thermostat issues

[donald]

+1 On what Mike said.
I would replace the manifold also, it look too rusted for it to flow properly.
Just my 2c.
Don

[tech62571]

just an update.
replaced the manifold and riser.
its back to running at the correct temp.

thanks for all the help

[tech62571]

anyone have any luck finding a 142 degree thermostat? for the 3.0?
i bought 3 so far and there all 160 even though they say 142