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Discussion Starter · #1 · (Edited)
Started out the build today since I have to make room for the roll bar. I am trying to keep it as light as possible so I am only doing the box part as a complete top. I will have an upholstery shop make a 1/4 face plate and top that is wrapped in leather to match the back seat and front seats, and that will also fit around the roll bar and hide all the welds. I am thinking of either putting the Amp in the middle or the right. Leaning toward the right with some embroidery in the middle. Thinking of just a big R/T in the middle. I am just going to run two wood bars across to mount the amp thus allowing it to cool and reduce weight. I thought of putting a fire extinguisher behind the driver side but I am just going to mount it to the bar behind me.

If anyone wants some of these templates let me know and I can trace them for you. I am going to fiberglass the bottom of the sub box. But first I have to tape everything off and them put some foil down so that it comes right back up. Did it in a CRX back in 96 and it came out really well and it sounded good. This box is 13Hx15Wx(average 6-7)D giving me a volume of about .70. Perfect for my JL W1v2-4.

Feel free to comment give advise or tell me it sucks, haha.

Dynamat across the back, did not go overkill, just to make it sound right.







Had Home depot cut the boards to the right sizes for most part, used a jig saw for most everything else.



Guide to cut the edge straight.

 

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Discussion Starter · #2 · (Edited)
Cut the seatbelt tabs off to make room. Going to have to put something on the back to make the seat lean on the back wall.





Speaker in its place. Still need to assemble the box, but it all fits well enough. Fiberglass will fill in the spots that have a little bit of space. Would of put it together but I forgot to get 2 inch drywall screws.



Space between the back seat and the top of the speaker box. About a 1/4 inch if not a little more. Good for a tight fit when the shop makes a top for it.

 

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Discussion Starter · #4 ·
looking good so far!
Thanks, You know that amp pretty good? 4 ohm JL single voice coil a good for that amp? I know its overkill, but I wanted the old school amp.
 

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Discussion Starter · #7 ·
very nice. cant wait to see the final product!
The basic box and amp mount will be done this week. The covers will have to wait till the bar is put in since they have to be made around the bar.
 

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Discussion Starter · #12 · (Edited)
Continued,

Putting it all together. Did some guide holes to put the screws in.







Speaker terminal from Metra



Curious Dog



Bridge for the amp





Top with the hole cut out for the speaker. 9 Inch hole. Still need to drill that onto the box, but need to do the fiberglass bottom first. Then I can drill it permanently. Next will be wiring first.





 

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Discussion Starter · #18 ·

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Discussion Starter · #19 ·
What kind of tools did you use?
Jig Saw
Circular Saw
Drill
Spring Clamps
Bar Clamp
Guide (Large metal ruler)
Compass (speaker hole)
Tape measure

Fiberglass repair stuff with brushes and fiberglass mat

1 5/8 in screws

I am sure I am missing something
 

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Discussion Starter · #22 ·

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Discussion Starter · #24 ·
looking good. I want some bass but not the weight lol
Overall I am dropping weight, once I take into account the wieght of the seat belts, Thunderform, Seats and all the little nuts and bolts back there. Just the seat belts and bolts weigh about 10-15 lbs. Thunderform maybe 40 or so. I think this box after adding the sub and amp will weigh about 40 lbs.
 

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Discussion Starter · #26 ·
since RF's old school amps are underrated this will make your sub slam.
Thanks, I was thinking of putting in my W3 I have sitting under my bed in Texas. Brother is shipping it tomorrow.
 

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Discussion Starter · #27 · (Edited)
Continued

I did the fiberglass bottom today. Good thing is was a warm day and I could leave the garage open to vent the smell out. This stuff stinks.

I put down some foil to prevent it from sticking to the body. Tape is a guide where the box fits, kind of. That way I dont go all crazy with it.



Cut out some fiberglass mat to put on the bottom of the box and resin in.



Then I put down the resin and mat. Did one layer before I even put the box down so that it could fill any holes that the box might of left around the body lines.







And after about 6 players of mat and resin. Also did some silicone sealant on the corners to seal the box.



Once it is all dry, (tomorrow) I will put the top on and seal the top. Then I can put the sub in permanently. I also have to wait for the line out converter to show up to finish the wiring.
 

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Discussion Starter · #30 ·
looks pretty good. I would have cut the fiberglass mat alittle bigger so it overlapped the edges on the bottom and came up alittle more on the side.
Yea. I probably should of done that. Its ok though it will work.
 

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Discussion Starter · #32 ·

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Discussion Starter · #34 · (Edited)
Well everything dried up and the wife went shopping, so I had time to go and finish this thing. Can't fire it up because I don't have the Lineout converter yet. Probably Tuesday. All the wires are run and hooked up except the remote, and the line out speaker wires. I am also waiting on my adapters for my rear speakers. Can't get the roll bar right now cause I blew a shit ton a money on the service for my Jetta so it will sit like this until I either sell some shit sitting around in the garage or I sell the motorcycle. For those that think its really heavy its not. With everything it weighs 40 lbs. The Thunderform was 38 lbs, add in the seatbelts and restraint tabs and its 43 lbs, add in the rear seat bottoms and its about 46 lbs total. So overall I am going to about breakeven and I have room to put the bar in.







 

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Discussion Starter · #37 ·
Yea there is going to be leather wrapped panels that go on the front and top of the box. However I have to get the roll bar in there first so I can work around it.
 

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Discussion Starter · #40 ·
looks good. a tad more screws than i'd like to see :p haha but looks good. plan on covering it with anything? or the front part at least? don't know if you said or not already
Yea I went a little overboard with the screws on the lid. Hey at least I know its sealed, haha.
 

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Discussion Starter · #41 ·
Can't wait to see it done!
Won't be for a while. Have to save my pennies since the VW took all my money with a timing chain service and then some. Had to use the cage money to avoid using CC's. So someone my the thunderform.
 
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