1987 b2 2.9 cooling issues please help


Tactical Bronco 2

10+ Year Member

Joined
May 14, 2012
Messages
7
Points
1,501
Vehicle Year
1987
Transmission
Manual
My b2 is running hot but still in the normal range on the gauge the needle stays around the bottom of the o I can understand it running a little hotter with no fan shroud and body lift but here's the screwy thing I don't understand when I turn the heater on the heat rises ????? Also the thermostat was bad replaced it stays a little colder when I turn the heater on but still rises ???

Also I have a ? About thermostats I have been running a motor rad 180 fails safe last night I switched to a motorad 180 high flow what would you guys suggest for a semi built motor 160 180 192 high flow, oem or fail safe also what brand motocraft, motorad, stant or the jet performance thermostat
 

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