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I know this has probably been beaten to death with Maxwell's hammer:
How do you quiet the interior of the truck? I've used knock off asphalt sound deadener which hasn't worked very well; but I can't afford to dish out the cash for Dynamat.
I used dynamat everywhere, under the dash, the firewall, floor, in the doors, behind the kick panels, behind the gas tank and the roof. I put two layers on the firewall and the area under the mat I then covered everything with dynaliner. Bottom line is; it no longer sounds like a 55 gal. drum but it will never sound like a new model truck. As Julie mentioned the door seals makes a big difference. The cheapest fix is earplugs.
I've used B-Quiet which is a similar product to Dynamat and is about half the price. It worked great. After putting down the B-quiet I used the mylar backed jute insulation material. The truck is both quiet and cool.
I used the rolled insulation on mine too but the wind noise is still there. I don't think you can get rid of that with original door seals. There must be a newer softer insulation that can be used for the doors somewhere but I'm still looking...
My truck is Hushmatted and it works well. I just bought a new set of the hollow door weatherstrips from MF. I hope to get around to installing them one of these days! Also, my new running boards are at the body shop getting worked. YEAH!
Wind noise is a different animal from road noise. With all the appendages sticking out in the air on our old trucks, from mirrors to door hinges to drip rails, to exposed fenders and much, much more, these things are as aerodynamic as a barn door and have more holes to whistle through than a flute. It's amazing they're as quiet as they are. ;-)
My truck is Hushmatted and it works well. I just bought a new set of the hollow door weatherstrips from MF. I hope to get around to installing them one of these days! Also, my new running boards are at the body shop getting worked. YEAH!
Hollow door weatherstrips? I didn't know there was such a thing. I think that's what I need...
I have bought the hollow weatherstrip material from Steele Rubber Products. It is available in different diameters to fit various applications. It has a flat side which can be glued to the door or door opening.
I don't have my truck on the road so I can't give an accuate opinion on how well this weatherstrip seals. My theory is that by being hollow it will compress to fit between the door and door opening and give a better seal.
As far as sound deadening material, I used a product from a man in Texas. It is foil on both sides with a more dense bubble material between. Supposedly, this same material is the insulation used in upper eschelon race cars. It is very easy to use and conforms to irregular surfaces. I used spray 3M trim adhesive to install it.
The man who sells it goes by Lobocrud on the HAMB. If you haven't visited the HAMB, you are missing out on one of the best websites for old car enthusiasts. Just Google HAMB and enjoy! Once there, do a search for Lobocrud for more information on the insulation.
I have not seen this discussed so I am posting to add to the knowledge base...
The inside of the stock doors on the F-1 had some type of sprayed on material. Some of mine was coming off so I scrapped as much as I could out when the doors were off. I cleaned the inside with soap and water. Then I poured in a liquid product called EDead. One gallon cost about $50 so it was not cheap. With the door laying flat on 2 saw horses, I poured 1/2 a gallon in each door through the access panel opening and used a paint stick and rubber gloves to spread it out. I continued to tap on the underside of the door and it eventually laid out flat and thick inside the door panel. Took about 4 days to dry hard. Gives the door some mass and closes with a "thump".
For the inside of the cab, I used the "Frostking" thermal wrap from Home Depot and some products for the floor/firewall from my local auto paint supplier. I also used the "Peel and Seal" from Lowes. For the price I paid, I thought it did a decent job on a dollar for dollar basis. Then again, I never expected to get my stock F-1 very quiet.
As far as sound deadening material, I used a product from a man in Texas. It is foil on both sides with a more dense bubble material between. Supposedly, this same material is the insulation used in upper eschelon race cars. It is very easy to use and conforms to irregular surfaces. I used spray 3M trim adhesive to install it.
The man who sells it goes by Lobocrud on the HAMB. If you haven't visited the HAMB, you are missing out on one of the best websites for old car enthusiasts. Just Google HAMB and enjoy! Once there, do a search for Lobocrud for more information on the insulation.
Thats the stuff I was looking at. From what i have researched, it seems to be pretty good for the price.
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