Quote Originally Posted by Nailhead View Post
Looks like an oil cooler to me.
That's what I thought! But I'm not sure if original heater cores were like this.
Pro: It makes heat. Probably would never get blocked with crud, there's no place for it to settle.
Con: I think it leaks sometimes. But that can be fixed. Maybe a normal heater core would make more heat?
I'm not sure what to think about this thing.

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