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The tube does just press in. I removed mine and replaced with a press in freeze plug. I rerouted to the screw in plug in the thermostat housing just after thermostat in an effort to keep coolant flow through the jwac even if the thermostat is closed. Only made a slight improvement in egt.
Carl

1979 F-250 crew cab 4 x 4
4 bta
ZF S-42 5 speed
Borg Warner 1356 x-case
Dana 60 rear
Dana 44 front
3.55 gears
255/85R16 tires (33.5x10.5)
Hydroboost steering and brakes
Custom 40 gal. fuel tank
Much more later
 

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225 Posts
Im sorry, maybe I wasnt clear, I removed the existing tube from my engines head. Much straining and probably used up most of a days alotment of dirty words. The tube has a roll just above where it seats on the head so you could probably build a tool to seat on this roll and press/drive the tube into the head. As I said before, I rerouted mine to the threaded plug post thermostat in the thermostat housing. It would be a lot less effort on your part to do it this way just out find out these things dont work worth a damn. Just my .03 cents,
Carl

1979 F-250 crew cab 4 x 4
4 bta
ZF S-42 5 speed
Borg Warner 1356 x-case
Dana 60 rear
Dana 44 front
3.55 gears
255/85R16 tires (33.5x10.5)
Hydroboost steering and brakes
Custom 40 gal. fuel tank
Much more later
 
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