GolfGTIforum.co.uk
General => Car audio => Topic started by: N900 MJT on 13 December 2010, 12:09
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Hi Guys
Just a quick one - has anybody built a false floor in the back of a mk3? just after rough ideas of what it will look like.
Cheers
Mitch
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i built one, its level with the 2 side "ledges" by the arches, i like it, good sturdy floor that you can mount a subwoofer to and screw it on so the sub wont move around when your driving oh and excuse the choice of cover :tongue:
(http://img299.imageshack.us/img299/8659/dsc02214v.jpg) (http://img299.imageshack.us/i/dsc02214v.jpg/)
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Why you want a false floor? Gonna do away with the spare wheel?
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Well i plan on building it so it can be lifted to get access to the spare wheel but i have taken out the rear seats so i want to go from the boot all the way through to where the seats used to be.
I will also be making it so i can sink my subs into it and hide the amps
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yeah simple enough to hinge it, mine is hinged
good idea about sinking the subs and hiding the amp too
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Looks like i need to break out the tape measure and get my maths hat on to work out how much air the subs will have!
That covering you have is wicked! but mine will be covered in a Faux suede that i am doing most other things in!
I think i will have to document my work so others can do the same
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In your case then the under seat area would be ideal for 2 subs.
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Thats what i was thinking - but would i need to port it? or would it be ok to just build a solid box the size of where the seats used to be?
Is it better to build the enclosure, sink the subs into it and then cover with the material or build the unit, cover in material and then sink the subs so you can see them?
I think i will have to draw up plans on where to mount everything and also get some heavy duty wiring
Does it really matter what speaker cabling i use? i am just thinking i can get some super home theatre speaker cable from The Chord Co.!!! maybe some of this stuff : Chord carnival Classic Speaker cable
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will it be a raised false floor or one on the base?
you could use your boot carpet as a template i spose, thats why i done when i made a false floor for my corsa
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will it be a raised false floor or one on the base?
you could use your boot carpet as a template i spose, thats why i done when i made a false floor for my corsa
exactly what i did :grin: just remember to take a few mm off because of the material you cover it with,
and a sealed box will work, just depends what size subs you have
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will it be a raised false floor or one on the base?
It will be a raised floor, but not much
you could use your boot carpet as a template i spose, thats why i done when i made a false floor for my corsa
exactly what i did :grin: just remember to take a few mm off because of the material you cover it with,
and a sealed box will work, just depends what size subs you have
I have a pair of 12" fli subs that i want to use
Going to get my thinking cap on as to what else i need to have in the back so i can do the whole lot in one go!
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Well you need to mount the subs so you get them out if need be, so you will need some good grillage over them.
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Well you need to mount the subs so you get them out if need be, so you will need some good grillage over them.
What about if i make the sub holder removable? ie not screwing the whole thing down - just securing it in another way?
Then if a problem pops up i can just lift that whole section up and fix what ever is wrong
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Well whatever method you use to hold it down it needs to be substantial, 2 12" subs will cause a lot of vibration.
If you want to remove it I would use say at least 8No. bolts
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Right then, shopping list is taking shape!
MDF - Measure space needed to cover
2x4 - Building the base
2 x Hinges - lift the rear section
Glue - Holding the wood together
Screws - Secure the wood further
Fabric - covering the whole lot
2/3 x Amps - front speakers & rear speakers amped independantly and
1 x amp for the Subs (have this one already)
2 x Subs - Already have these in my garage
Full wiring kits - maybe run 0awg?
Wiring fixings - all fixed to the underside of the false floor
I am in the process of drawing up plans on where to place everything.
Im sure i have missed something!!
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Right i have been a busy little bee getting most of the stuff ready for the work - now i just need one question answering - what size MDF should i be using? i dont want it to be too heavy!
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Min 18mm
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Min 18mm
Cool getting this priced up in the next day or so!
What are peoples views on leaving the rear cards in the car with the false floor?
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This sounds really cool, i am thinking of doing one of these myself just in the boot tho,
where will the progress be posted??
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do a progress thread with lots of pics, this could be an interesting topic :cool:
silly question, but have you got the right screws? with counter sunk heads?
18mm wood for sure, ive used 12mm before, and it was shocking, i didnt realise it would make the difference
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My uncle will be helping me build it (he doesnt know that yet) and he has bloody every type of screw!
I will be making a build thread with plenty of pictures in here as it will be audio related, just need to get the money together to get all the materials!
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what subs exactly and amp are you using?
just reading this thread over again, it looks like youre doing very similar to myself, i will also be having a hinge unit built, but only to access all my cleaning stuff hidden under the floor, and not the spare wheel, as that has come out in replace of a can of tyre weld, lol
to add, mine is being built by 2 mates who will be using my car to demo their new work of building installs, so im getting it for free :cool:
the process is 2 boxes, an enclosed for the subs, and a 2nd, just to complete the install, obviously housing the cleaning stuff, then a false floor to finish it off trimmed in black alcantara, and my mates logo embedded within the build
is this something along the lines of your planning and designing?
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Yer that sounds about the same as what I am planning - but instead of using 2 boxes I want it to be one whole unit with a hinged section big enough to get the spare wheel out, plus I may have to make space for some small cleaning gear - quick detailer and microfibres!
I am using the subs from my FLI trap as the subs are more than enough until I can afford some vibe ones! Also for the time being I will use the amp that it came with as I still need to save up for the vibe monoblock (unless you can suggest another one)
If your mate wants to do mine as well I can supply the parts lol!
I am still drawing up plans of what I would like it to look like - I have the image in my head but cant get it onto the paper properly!
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it can be very interesting~ :laugh:
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Well after speaking with my uncle last night and telling him what i have planned he turned round and said it is possible i just need to get the materials!
Scraping the idea of the lifting part though as i am just going to carry around a can of tyre-weld as pointed out by my uncle you cant fit a jack under my car to change the wheel anyway!
So the plans are in motion just need to talk sweetly to my mate and see if she can sort out some good deals of audio stuff!
Plan is to fit my 2 x 12" FLI's, then once i have the money swap them out for a pair of vibes :smiley:
We are also thinking of a trick think to do with the rear section but that is going to be hush-hush until closer to the time!
What amp do people recommend?
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Glad you scrapping the lifting part! Speakers are best kept as solid as possible. :wink:
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The box for the subs will be sealed anyway and the rear section will a seperate box!
I am drawing plans this weekend and will see what you think to them
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its best the subs have their own box space, and not sharing it with lose items in a compartment
whilst youve got your interior stripped out, dynomat everywhere to stiffen the panels, doors, tailgate, floor, etc
to add actually, and this is the bit i have no idea on, so im guessing someone on here will, im assuming your subs will be in 1 box, so you might need to work out the size of the box needed for maximum quality and getting the best from them, its usually in the tuning of the box
what ever subs you go for next, look at dual voice coils imo
with all this in mind, and hopefully someone can ellaberate on it, it should sound sweet
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Ok so new plans have been drawn up for the rear end build! hopefully start it this weekend!
Any advice on which amps to run the subs from?
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Just get on with it! :grin:
Amps = get best you can afford, simples!
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dont buy just any amp, buy one that will be compatable with your subs, matching wrms and ohms
for example, im running 2x 500wrms 2+2ohm subs off a monoblock 1600wrms amp, bridged i believe gives me 1ohm at 1200watts, thats 600watts each going into each sub, plenty considering i wont ever give it the beans as its a show install and not performance, below 1ohm i believe causes problems
thats the general gist anyway, lol
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what subs exactly and amp are you using?
just reading this thread over again, it looks like youre doing very similar to myself, i will also be having a hinge unit built, but only to access all my cleaning stuff hidden under the floor, and not the spare wheel, as that has come out in replace of a can of tyre weld, lol
to add, mine is being built by 2 mates who will be using my car to demo their new work of building installs, so im getting it for free :cool:
the process is 2 boxes, an enclosed for the subs, and a 2nd, just to complete the install, obviously housing the cleaning stuff, then a false floor to finish it off trimmed in black alcantara, and my mates logo embedded within the build
is this something along the lines of your planning and designing?
P884 POT .. Sorry too jump in on you're post, But I can't seem too Private message people, or even create my own post!
The Wheele Arch install, for a sub everyone seems too be doing, can you fit a 12" comfortably? Also I'm wondering where I could place a second Sub. But I don't want too lose any of my boot space, filled my boot last time in my Mitsubishi Colt, and it done my nut in lol!!!
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xxpenxx - You cant PM until you have 10 posts! I suggest you read Forum Guidlines! :rolleyes:
12" sub is possible but IMO better with a 10"
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Len, problem is I'm strapped for cash, and I have 2 12" 1200 what subs sitting in my dads garage lol!! And I miss them :sad:
That's not very helpful with wanting too Post a Hello in the Noob Section lol!! (in regards too the 10 posts)
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Well you up to 3 now keep posting! :grin:
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Well you up to 3 now keep posting! :grin:
So do you have you're own custom install? What golf you got pal :grin:
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I didnt mean here! :grin:
Yes I do have a custom system for details see my Project thread. (its a Mk3 as per sig pics)
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Cheers for replying to this Len!
Sadly my rear end build is going to have to go on stop due to me putting the car into a curb at 60mph and bending one of my coilovers :cry:
I am hoping to get this done before RTTS but it is still looking doubtful :sad:
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Apologies for continuing the hijack!
bad news mate! Hope ya get it fixed. Still have my old struts if ya need temp fix!
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Cheers for replying to this Len!
Sadly my rear end build is going to have to go on stop due to me putting the car into a curb at 60mph and bending one of my coilovers :cry:
I am hoping to get this done before RTTS but it is still looking doubtful :sad:
Heart goes out too you pal!! I did this in my old Mitsubishi Colt, not as fast, but completely screwed the wishbone and hole front drivers end!!
By the way guys, how do you go about changing the Head unit taking out the standard CD Player??
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It should be ok - just had the coilovers delivered and hopefully will be able to fit this weekend!
My headunit doesnt come out that easily so i end up having to remove most of the dash plastics to get it out!
Easy 10 min job really
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It should be ok - just had the coilovers delivered and hopefully will be able to fit this weekend!
My headunit doesnt come out that easily so i end up having to remove most of the dash plastics to get it out!
Easy 10 min job really
Well, I just wana put my head unit in, as it plays MP3 CD's. can put like 150 tracks on a disk lol!! And the Gamma radio is atrocious!! Stupid thing is, it has a USB port, so can put a Thob in with music on it. But nope, can't plug my Ipod into it Via the USB Cable lol!!!
Why do they make things so awkward at times!! Even the simplest of things lol!!!
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Got some MDF in stock at work, so probs draw it up on screen and cut it out. I'm planning on side walls mini doors (for battery access and bulb changing, etc).
My mate wants it done too, but we're going for acrylic + mdf with his. Probs get a little creative and fret cut something scene :D