ok, that would explain it. if you didnt want to drill out the rivlets you could split the foam and install it and then glue it with some superglue I guess (if you were carefull)

I just rebuilt my heater box (68 Charger) using one of Jims kits which in my opinion is the best gasket kit on the market. I dis-assembled my non a/c heater box, throughly cleaned it, painted the internal doors silver, and the metal fan plate gloss black. I replaced the heater core and I left the fiberglass box housing natural with no coatings on it and the whole assembly looks brand new, not to mention the musty smell is now gone!

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It's a nice kit. Mopar Muscle recently did an article on Heater Box Resto and the person doing it got a few gaskets from YO and then cut the foam pieces for the rest. After seeing Jim's kit, can't believe they did not mention it in the article.

Joe

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I have a kit from Jim for my '71 B-Body with A/C. Probably they dont know that Jim makes a better kit. Plus, YO is the "Goliath". Just goes to show, that these magazines sometimes need to research for parts made by other people than just the giant companies.

Hey JR,

Like Jules said, sometimes if the doors are too rusty you can glass bead the doors clean while there attached to the box. Light blasting won't hurt the box or only do the metal and stay away from the box as much as possible. It can be masked off just like if you were painting.Glass bead is very forgiving.