Freezing My Huevos Off

[Justin]

Sbolt, sounds like a likely heater core issue. When I swapped mine out the old one was noticeably heavier than the new one going in. I'm chalking it up to it being filled up with a bunch of gudge.

[Shawns Fords]

#4 I have done the Chebby motor upgrade

There you go, Hell has frozen over

all kidding aside, I have a digital temperature reader, its the best way to track your coolant flow without beating your noggin up. If you check all others posts and still have issues. I would think a restricter port can fix the problem. That would slow the coolant flow down through the core, keeping more hot coolant in the core longer. A guy could make one fairly easily with just a insert on the return side hose.