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Sound deadening without carpet...?

I

Irork

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Hey guys, a while back i stripped all the interior out of my 84 K5 to simplify it. I now just have 2 seats and a center consol. I took the carpet and insulation pad out so i can just hose out the interior when it gets muddy. Well with a 406 smallblock and Boggers, the damn thing is so loud on the road i cant even listen to the radio or have a conversation (although i love the sounds, it gets old) So my question is.. what do you guys do for sound deadening, othen then carpet. Id really like to do the roll on herculiner, but is it enough to tame down the noise? or is there something else i could use? any thoughts would be nice.
Thanks
 
I doubt Herculiner would do much since it's so thin. However people have mentioned that their tubs lined with the thicker (and much more expensive) Rhino Liner and Line X type products were quieter than before. I know both of the pickups I have put Rhino Liner in the beds of were quieter afterwards.
 
AJMBLAZER said:
I doubt Herculiner would do much since it's so thin. However people have mentioned that their tubs lined with the thicker (and much more expensive) Rhino Liner and Line X type products were quieter than before. I know both of the pickups I have put Rhino Liner in the beds of were quieter afterwards.
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Thats exactly what i was afriad of. I dont really want to pay the big bucks for line-x or rhino liner. hmmmm...
 
time for a bigger amp... :wink1:

just wait till the herc goes on sale real cheap at Pep Boys and load up...

I see no reason why a nice 4, 5 coat app of that stuff wouldn't be comparible to a line-x, rhino... and I think it would do SOME for the sound well, ok, a little.....

I have 2 gallons here and I may pick up another next time it goes dirt-cheap for I when I build my floor....
 
"SOME" is much better then none. Im not looking to have the interior sound of a new cadillac or anything. Just a little help for those long camping trips and whatnot. I have a buddy that works at a local auto-parts store that carries herculiner... can you say 25% discount??? :saweet::bow:
 
I consistently see it on sale for $49 to 59....
 
Whatever you do PREP PREP PREP PREP AND MORE PREP. My buddy half assed his bed and it started peeling off ASAP. I actually spent two weekends on my Tracker and the bedliner is on there good and tough...on the exterior too. Two winters now with no issues.


Definitely find a good supply of their specific roller brushes. They don't last as long as Herc seems to think so I had to go find more and the rollers I found didn't work nearly as well.


Also consider their UV top coat. Basically UV stabilizes the Herc. I found some for $25 or so and hey, at the very least it's another coat.
 
AJMBLAZER said:
Whatever you do PREP PREP PREP PREP AND MORE PREP.
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You DO remember who your talking to here right? :haha::wink1::o I have somewhat of a tendency to go overboard on stuff.. :doah::haha:

Herc is a huge project away for me still.... :(
 
I just throw that out there for anyone doing it. My buddy bad mouths the stuff to this day but mine has been excellent. If he'd taken longer than say...15 minutes...to prep his truck's bed it might have lasted longer than say...15 minutes...
 
Also, another solution would be to get a rubber, or polyvinyl floor mat that you can remove easy to clean. LMC truck has some.
or do both spray on and floor mat. Just an idea. good luck.
 
That's my plan eventually. Rhino Line the whole floor and then if it's still loud (it's VERY loud now) some deadener mat and the vinyl floor.

Thankfully the military put their heavy duty traction paint on the floor of mine and removed the OEM carpet matting. I have damn near 100% floorboards. I can actually have this discussion and not also talk about surgery...woohoo!
 
yeah, the truck bedliner mat has worked awesome for me, sh*ts like 3/8 thick.. can't wait to have herc under it..
 
How about this http://www.secondskinaudio.com/store.php?category=50
If it works for subwoofers why not engines & swampers.
I lined the interior of my k5 with Reflex Bedliner and made a noticeable difference in noise levels but is still far from quiet. Reflex is a rubber based spray on liner we used at the dealership I used to work at....and yeah I got it done on the cheap after hours :D
 
I put 3 thick coats of Herc down in the entire tub of my Jimmy, and it dampened the sound somewhat, but it's still pretty loud in there. You can carry on a conversation, but since the only 2 speakers hooked up are the 3.5's in the dash, you can't hear anything on the radio.

I was actually thinking about getting the entire rubber mat to lay in there, to add protection and to dampen the sound a bit more.
 
You might also want to check out Memtech http://www.quietnoise.com/noisekiller/noisekiller.htm . I used this on my standard cab when building and an LMC molded vinyl mat for cosmetics, so I can't compare before and after but with 38" TSL SX's I can hear the radio, have conversations, even talk on the cell (speaker phone) with no trouble at 70 MPH. It was easy to apply (I used a roller) and is holding up really well (daily driver and weekend toy) They are local to me but the price looks to be half that of the Soundproofing.org at $275 per 5-gal., it is also cheaper than herculiner. Four Wheeler or Petersons 4-Wheel and Off Road did an article a few years back that convinced me to try it. Hope this helps
 
I continue to ponder this question about sound deadening and heat barriers....

ThermoTec makes some effective heat blankets (I've used them in the Burb) and there are other peel-and-stick products that are highly rated. I want to eventually do a complete Line-X coating both inside (and underside) on my Blazer tub. I don't think there's an effective way to do both, since the heat barrier products would be a bizarre product to spray Line-X on top of.

I am starting to find ceramic-based spray on products which claim to be good for reflecting heat. If these could be top-coated (and they were actually effective in the first place) it might be a good underlayment before the Line-X was applied. :thinking:
 
most products can be topcoated if properly prepped...
 
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