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19Nasty1le · 07-25-2025, 06:27 PM

I’ve been smelling coolant after my built and finally noticed just under the little tube at the top of the thermostat there’s a small line of coolant. So I’ve looked into the DMS Billet Housing but it uses a LS3 style Stat, I already have a Katech 160 stat that was added during my build but I guess it won’t swap in.. has anyone changed to this stat? Also was told by my tuner that they vacuum filled the system for no air, I do have a Cordes Expansion tank would that not self bleed the system and prevent the air lock?

07-25-2025, 06:27 PM	#1
19Nasty1le Craig Drives: 2019 ZL1 1LE Join Date: Jan 2019 Location: Peterborough, ON Canada Posts: 443	Thermostat Cracked? I’ve been smelling coolant after my built and finally noticed just under the little tube at the top of the thermostat there’s a small line of coolant. So I’ve looked into the DMS Billet Housing but it uses a LS3 style Stat, I already have a Katech 160 stat that was added during my build but I guess it won’t swap in.. has anyone changed to this stat? Also was told by my tuner that they vacuum filled the system for no air, I do have a Cordes Expansion tank would that not self bleed the system and prevent the air lock? Attached Images __________________