I have used Dynamat in a few old cars. The difference is significant and it was always well worth the cost. I am restoring my '50 3600 and the entire interior cab is lined with it, with the exception of the kick panels. I will also line the interior of the doors, once those are finished. It is super easy to do yourself. Dynamat is expensive, but some of the other products are kinda substandard and a few of them smell kinda bad... no odor with the Dynamat though. For the thinness of the product, it provides a lot of sound damping. I would also cover the inside of the roof too, and the back of the cab, behind the seat and under the seat. You don't need to buy the Dynamat tape- just go to the hardware store and buy regular HVAC aluminum tape. The rubber roller that they sell to install the mat is kinda pricey, but it was well built and necessary, I think. You might be able to find a different roller that will work just as well for less money.
The only issue that I have with the stuff is that my approach to working on old cars/trucks is to do it right for the next guy....and once you put Dynamat down on a panel, it's going to be tough as hell to get it off down the road, I imagine. But the stuff probably has a half life of 100 years and it makes a big difference in comfort. I'm hard of hearing, and anything I can do to be able to have a conversation in the cab is worth it..
Last edited by Norcal Dave; 10/30/2017 5:32 PM.
