1992 4.0 - rebuilt motor, NEW head, new radiator, water pump, mopar 195 thermostat (pre tested), lower/upper hose, overflow bottle, 50/50 coolant, thermostat housing and it's been professionally 'burped'. Heater vacuum controller (plastic piece of leaking crap) has been replaced with straight hoses to the heater core which has also been back flushed with no leaks. Gauges have been double checked using aftermarket gauges.
Woo ok now that's out of the way. During the colder days my motor will heat up to 210 then drop down to 160 then climb back to 210 then drop a little higher than 160 then back to 210... you get the point right? Anyway eventually it'll settle just under 210 unless I'm running on the highway and it'll climb maybe a bit over. Doesn't sound like a big issue but once it heats up and the A/C starts getting used it'll climb to over heat. This all occurred after my motor was rebuilt. Recently had the head replaced since apparently there was a gap. Didn't change anything but I havent had a chance to test it in warmer climates yet. I've run out of ideas but another forum suggested using a restrictor IE https://www.ebay.com/itm/Allstar-Pe...ash=item362a6be126:g:zBcAAOSwBOlaZqg0&vxp=mtr but figured I'd ask a larger forum in case someone has an idea. Thanks again
Woo ok now that's out of the way. During the colder days my motor will heat up to 210 then drop down to 160 then climb back to 210 then drop a little higher than 160 then back to 210... you get the point right? Anyway eventually it'll settle just under 210 unless I'm running on the highway and it'll climb maybe a bit over. Doesn't sound like a big issue but once it heats up and the A/C starts getting used it'll climb to over heat. This all occurred after my motor was rebuilt. Recently had the head replaced since apparently there was a gap. Didn't change anything but I havent had a chance to test it in warmer climates yet. I've run out of ideas but another forum suggested using a restrictor IE https://www.ebay.com/itm/Allstar-Pe...ash=item362a6be126:g:zBcAAOSwBOlaZqg0&vxp=mtr but figured I'd ask a larger forum in case someone has an idea. Thanks again