Custom Interior Project, Its still in the works, opions welcomed Options

[sapperk]

I just starteds doing my interior. Right now the car is gutted. I am keeping my backseats removed and am going to fiberglass the floor and sides all the way back to the trunk.My 12" subs are going to sit where my back seats were in between the fuel pump access. The car looks so much better without anyting in the back, like seats and seat belts. Alot bigger. Any ideas on design please feel free to discuss.

[95CelicaST]

My question is, how are you in Orting and we have never met yet??

I'm just up the road!

[sapperk]

My question is, how are you in Orting and we have never met yet??

I'm just up the road!

Just moved here last week, Where r u at?

[BigAl_UK]

That's sort of what I did with mine apart from single sub and no fibreglass - still needs carpeting though as I only built it on Sunday

And before anyone comments on the harnesses - the bar is removed for ease of access and the back strap is just hanging there



This post has been edited by BigAl_UK: May 1, 2007 - 2:17 AM

[sapperk]

That's sort of what I did with mine apart from single sub and no fibreglass - still needs carpeting though as I only built it on Sunday

And before anyone comments on the harnesses - the bar is removed for ease of access and the back strap is just hanging there

ok, thats sort of what im going to have except with a sub where each seat went.
and fiberglass panels along the side walls.

[sapperk]

My project is now on hold for a few weeks, I need to get together some money for some Dynamat.

[Negative]

Um - is your sub box held together with ductape?

[Hafkai]

i build something similar in the last months
the bottom is made of fibreglass and the rest MDF



still need to build a cover for the amps

[pepsiman]

Them are both so cool

[sapperk]

damm im gonna have to wait a few weeks, i wanna dynamat everything first, lay foam, and then fiberglass over it all.

[sapperk]

Well here is what I am leaving it at for now, Anyone know a site for the cheapest price on Dynamat or other sound deadening materials.

[96bluevert]

just curious, are you going to move the box in place of where the back seats were? b/c otherwise that's a lot of space to just have a fiberglass covering.

[sapperk]

yea im gonna make 2 seperate boxes. one for each sub and mount them where the dent is for the back seats. Right inbetween the fuel pump access. then some sort of amp rack.

[96bluevert]

ohh, that should look really nice! suggestion, if I may, I would put the amp rack in between the two enclosures so you have the subs on either side of the amp. mabey tilt the amp rack too, i think that'd look pretty cool right there. just suggestion though, i'm sure when it's all done it'll look awesome however you go about it. good luck with the project. cant wait to see it when its finished

[sapperk]

im going to try to do some photochopping of it.

[GTSOwner]

Just a few comments here :

First, if you put something over the fuel pump access, it should be easily removable, i.e. not attached to the subwoofer boxes. It would be a bit** if you ever have to access the fuel pump.

Second, on the sound quality side of things, it's a bad idea to mount amps there as the electromagnetic field generated by the pump can induce noise in the signal cables (RCAs). Less of a problem if you're pushing subs, but if you're going to be putting full range amps there, I dunno...

[sapperk]

Well do you think with the dynomat and the foam that would block these magnetic rays from the fuel pump?

My amps are going to be somewhat raised i think. I dunno know how for sure yet but they will be elevated on a rack, also i am going to extend my center console straight back i think to where it will cover the access panel for the fuel pump, with a panel to gain access to it.. Im drawing up some ideas now, but hey all your opinions are a big help. thanks for the info and ideas.

[BigAl_UK]

Um - is your sub box held together with ductape?

Um no It's screwed together and glued and then sealed properly - the ductape was just a last minute, hey, why don't I put some of this over the joints as an added strengthening thing

Box is fixed to the platform but comes out easy enough (3 bolts)

This post has been edited by BigAl_UK: May 2, 2007 - 2:19 AM

[GTSOwner]

Well do you think with the dynomat and the foam that would block these magnetic rays from the fuel pump?

Nope. The worst thing that might happen is that you get alternator whine. As you press on the gas, you'll hear a faint whine changing frequency as the revs go up and down. But like I said, so long as you're only pushing subs it won't be a problem, those frequencies will be blocked out.

[sapperk]

Well my mids and highs are amped too. the amp for them is on the floor under the drivers seat for now but i dont hear a problem from it there.

[shvdcelica]

Try cardomain.com i just orderd an extreme pack of dynomat for my 6GC and it was the cheapest place i found it comes with 9 sheets of 18inX36in

[sapperk]

Im going to use : Cascade Audio VBlok VB-1X as a base coat for my sound deadening. Im going to spray it on the floors and inner walls of the whole car. What do you guys think of this product. It seems like the price is right and it has good reviews.

Over the top of that i am thinking dynomat or just some accoustic foam.

Then finally the fiberglass panels i will make wrapped in vinyl.

Suggestions:

[D_Dawg]

well i buy all my stuff from millionbuy.com or etronics.com. ill have to try some of that spray on stuff let me know if it works

[jason]

http://www.b-quiet.com/

good stuff, id stay away from the sprays n all that good stuff, heard stories about cars smelling and panels getting pushed out, sounds a lil too messy for me. good luck and im sure it will turn out nice! you sound like you are motivated to get this done

[sapperk]

I just srayed like 4 cans of 3m rubberized coating in there. Any comparisons on that rubberized coating to the Vblok stuff. Should i go ahead a spray Vblok over that. I dont think it can hurt to haev to much soundblocking.

[sapperk]

Ijust ordered 6 cans of "do it best triple expanding foam sealant". i am going to use this stuff in the hard to reach areas. Especially behind the rear speakers on the sides. if you have taken them out before you know what im talking about. you get alot of road noise in from there right in front of the wheel wells. i hope it comes in soon i ordered it from amazon.com.
has anyone ever used this stuff or something like it. Ive heared about it but i have never messed with it before. Tips would be nice. Any other places you think i might use it?

[soven]

test it first to see how much it expands. Use with caution as it will easily pop your panels out if you spray too much.

[sapperk]

test it first to see how much it expands. Use with caution as it will easily pop your panels out if you spray too much.

r we talking about plastic panels? because they are already out and not going back in. I am going to use this foam to shape the whole interior and then fiberglass over it. Well i think thats what i am going to do. Just shooting from the hip as i go...

[sapperk]

Well i just used some of that triple expandable foam, if you have never used it before what a freaking mess. But it works really great, i see i will be spending plenty of money on it. 3 cans already did not fill up the one side i was hoping. im going to have to tape it all off to hold it in then fill from the top. But it seems to work great.

[sapperk]

whats the best way to make the panels for the inside. Should i used lightweith wood or something and then wrapp fiberglass/. any ideas?

[sapperk]

whats the best way to make the panels for the inside. Should i used lightweith wood or something and then wrapp fiberglass/. any ideas?

ok started up again. Got issues i cant seem to figure out whats the best way to go about this. make panels or maybe just use foam sheets then fiberglass over them and straight to the car.

i dunno.........

[jcbass7]

i found some how to's online a while back, what they do is make a structure out of wood, like the base and the speaker mount etc. and then drape fleece over the whole shape and staple it down to make the desired form. then resin and glass over the fleece etc.

lemme see if i can find those old links

edit:

http://www.the12volt.com/installbay/forum_...=74519&PN=1

http://www.explorerforum.com/fiberglass/fiberglassing.htm

hope that helps

This post has been edited by jcbass7: Nov 27, 2007 - 1:32 PM

[sapperk]

I started up the project again. Got a whole bunch of acustic foam. The whole car is now laid with acustic foam sheets. Glued to the car. Once that settles im gonna fiberglass it stright to the car not make panels. The only panel i have to make is the rear trunk due to the bolts for the tail lights and trunk lock.

ill post pics soon.

[thespacepanda]

From a sound fan's point of view I wouldn't advise using 2 separate boxes for the subs. Generally speaking each box would have its own pressure inside of it instead of sharing the 2 so now each speaker is firing independently. The problem with that is that the sound waves from the 2 subs hitting at the same time will cause wave collisions and create dead spots where the opposing waves hit eachother. Same principle as a timpani head (if anyone has ever played timpani) hitting on 2 opposite sides of the head at the same time will create a dead sound instead of a clean resonant sound. My suggestion is build something that houses both subs in the same box and whatever you do don't aim the subs at eachother.

[sapperk]

makes sense sort of. thanks for the info

[thespacepanda]

Trust me on the separate boxes thing. It'll sound much better if you have 2 subs in the same box.