tootal2 3 Posted October 22, 2014 Share Posted October 22, 2014 I put some dynamat under the package tray in my chevy spark. and it has made the spark quitter but makes the package tray heavier. What are some good places to put dynamat without taking the door and roof panels off? Link to post Share on other sites
Schaltz 27 Posted October 22, 2014 Share Posted October 22, 2014 Wheel well is a good place to start. I gave my Spark the full treatment: under the hood, doors, roof, under carpet, the trunk, rear hatch and behind the dash. Link to post Share on other sites
Angrybird12 61 Posted October 22, 2014 Share Posted October 22, 2014 (edited) Wheel well is a good place to start. I gave my Spark the full treatment: under the hood, doors, roof, under carpet, the trunk, rear hatch and behind the dash. How much did it help and how much do you need? I notice a lot of road noise, especially with these hard tires. And when it rains the water splashing in the wheel wells is quite loud. Edited October 22, 2014 by Angrybird12 Link to post Share on other sites
tootal2 3 Posted October 23, 2014 Author Share Posted October 23, 2014 that's a lot of work to do all that. Im going to work on the truck area where the tire pump is. I don't want to take my spark apart. how much quitter did it make your spark? Link to post Share on other sites
Schaltz 27 Posted October 23, 2014 Share Posted October 23, 2014 I did it for 2 reasons: to make it more quiet, and to make my stereo sound better. With a high quality sound system a lot of the car rattles and vibrates. Now the rattling has gone, and the car is much more comfortable at speeds. Driving on wet roads is now absolutely quiet. I would recommend going all the way, it is worth the job. Link to post Share on other sites
tootal2 3 Posted October 23, 2014 Author Share Posted October 23, 2014 (edited) I order some more dynamat. there is a lot space in the trunk to use it on. I can hear the back speakers' now Edited October 23, 2014 by tootal2 Link to post Share on other sites
Gossamer 50 Posted October 23, 2014 Share Posted October 23, 2014 I'd like to put some dynamite in my Spark! Retired old Gearhead 1 Link to post Share on other sites
Retired old Gearhead 201 Posted October 24, 2014 Share Posted October 24, 2014 (edited) I order some more dynamat. there is a lot space in the trunk to use it on. I can hear the back speakers' now I would consider properly wired C-4 as a better and safer alternative to 'dynamit'(sic). The trunk area may not be the best place and if you can hear the back speakers, well, you are a bit too close to the vehicle. C-4 can be wired to the horn and activated with the remote using the horn feature. I would consider placing 5 blocks, one inside each wheel and one directly under the engine for a uniform pattern with minimal lateral spread. With this kind of placement, it is best to ensure the handbrake is firmly applied with the vehicle in park. Protective hearing and eye wear as well as up to date car and health insurance would be recommended before the final step in this 'explosive' modification. Edited October 27, 2014 by Retired old Gearhead Link to post Share on other sites
tootal2 3 Posted October 25, 2014 Author Share Posted October 25, 2014 how do I put dynamat in the wheel wells? Link to post Share on other sites
mrp10000 3 Posted October 26, 2014 Share Posted October 26, 2014 I ordered Fat Mat from Amazon after reading this post. I put it in the rear spare tire area and underneath the back seat. I'm gonna drive it awhile and see how much of a difference it makes. If it works well, I may put some on front floorboards and doors. The noise is really the only complaint I have on the Spark... Link to post Share on other sites
Retired old Gearhead 201 Posted October 27, 2014 Share Posted October 27, 2014 Shortly after taking delivery of the Spark, I took it into an excellent Cuban run detailing and soundproofing shop because I too found the Spark too loud. What they did was spray some non sealing, non drying black stuff everywhere on the car bottom and wheel wells. Since then the car has been silent with regard to road noise. The black stuff is dispersed in such a way that it cannot form a continuous barrier between the metal and outside, thus no danger of it trapping water like some 'undercoating applications'. It's very similar to the factory black stuff sprayed on to prevent rock chips. Link to post Share on other sites
tootal2 3 Posted October 27, 2014 Author Share Posted October 27, 2014 (edited) I spent a 100.00 on dynamat and still don't have the trunk done. Im going to order some fatmat since its cheaper. dynamat does not trap water since its pressed against the steel with a roller to get rid of air pockets. Edited October 27, 2014 by tootal2 Link to post Share on other sites
tootal2 3 Posted October 27, 2014 Author Share Posted October 27, 2014 putting some on the package tray helped a lot to. Link to post Share on other sites
tootal2 3 Posted October 29, 2014 Author Share Posted October 29, 2014 I ordered some fatmat but im not going to use it on my spark. fatmat is made out of asphalt I hear it smells. I just going to dynamat Link to post Share on other sites
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