JrRifleCoach

Where do you live?
My towns merely 6000 people and we have two shops that will pressure test.

colter

I'm going to follow what is in this thread and test it myself:

https://www.corvetteforum.com/forums...core-test.html

don hall

Follow post #2 in this thread:

http://www.smokinvette.com/corvettef...ad.php?t=32058

colter

I got a block of that duct seal in the electrical department. Black putty stuff to fill up the gap around the heater core tubes that exit the firewall. Alot cheaper than the 3M Strip Caulk.

Still figuring out what brand heater core to use.