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Thread: 2004 Silverado Ext. Cab Truckputer Project

  1. #1
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    2004 Silverado Ext. Cab Truckputer Project

    My Previous car (2001 Impala) got totaled by some old lady that forgot how to drive and cut me off. Now I have a 2004 Silverado Extended Cab and am going to start designing a system with:

    • 2-12inch subwoofers.
    • Touch screen computer in place of the factory radio
    • Navigation
    • Media Library
    • DVD Video
    • Bluetooth or wifi tethered with HTC for internet
    • OBDII Read and audible warning
    • HD Radio
    • Others might come later


    If you have any suggestions let me know. This time I am going the get some before pics before I start anything.

    Away with revision 2

  2. #2
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    I have done some looking around and found one place in the U.S. that sells a "Double Din" computer. There are also some places in china selling them. Since my space is limited I was looking at these units, but would appreciate any input from everybody.

    I have noticed that mp3car has sold them before, but for some reason they do not anymore. Here is a list of the one that I found (click on the pictures for the supplied decriptions):

    • 100 Mega
    • East N West


    • Revosys - ~$1700


  3. #3
    Sheepdog rdholtz's Avatar
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    Take a look at the systems from blk02si.
    .
    If just enough is really good, then too much ought to be perfect.

    2006 Scion xB with in-dash Atom & Lilliput 889GL -- Worklog at http://www.mp3car.com/vbulletin/work...res-links.html
    .

  4. #4
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    Before I get started with the re-model I promised some before pictures. As far as the computer side of things, that will come later since it will need the most consideration.
    • Front Corner Outside
    • Rear Corner Outisde
    • Dash
    • Storage under dash
    • Storage to left of cluster
    • Over-head storage
    • Glove-box
    • Rear Seat-up profile
    • Rear Seat-down profile
    • Front door
    • Rear Door
    • Under front seat


    I have already ordered replacement main speakers. I am going to be putting Infinity Kappa 60.9cs components in the front doors and Infinity Kappa 462.9cfp in the rear doors. The reason why I chose the speakers is simple. They have the highest sensitivity, lowest frequency, and wattage rating. All theses factors are just important so I decided that their proportions were good enough. I will get some pictures as I am installing them.

    For the subwoofers... I like 12" subwoofers because they sound better than 10's to me. Either size would have to be a down firing subs under the back seat because the at the highest point under the seat it only reaches 9.5". Most pre-made boxes will only fit 10" subs or they only have .75 cubic foot inside. I think I can design a box with .80 cubic foot and then fill the box with polyfill to get it to "see" 1 cubic foot. Which from what I read is the most desirable for most subs. Once again any input would be appreciated. I am not going to start on the sub-box until February.

    Order of events:
    1. Install main speakers - January 8th
    2. Design Box - Ongoing ending beginning of Febraury
    3. Order Subs - Middle End of Febraury
    4. Build Box - End of February
    5. Order-Build Truckputer - Summer


    I have also considered one amp right now, JL Audio HD900/5, which is a 5-channel amp. This would end up producing 75 watts per channel for the mains and 500 watts for the sub channel. The reason Why I am looking at that one? Look at the space and size dimensions. I am thinking about putting it behind the top of the rear seat (peanding actual seat removal and inspection), or under the front seats (either or). Let me know if you all have any better ideas.

  5. #5
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    I got my front speakers in today and installed them. They are Infinity 60.9cs component speakers. While the bass is not subwoofer bass, they sound a hell of a lot better than the factory. These actually mount behind the factory front door grills in the same place as the originals.

  6. #6
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    I got my rear speakers in today and installed them. They are Infinity 462.9cfp speakers. They sound a hell of a lot better than the factory. These actually mount behind the factory rear door grills in the same place as the originals.

  7. #7
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    The JL HD900/5 is definitely a beast, and if you have the money, go for it. It was one of my considerations for a 5 channel with a small footprint. In the end I decided they were too pricey at $700 on ebay (with no warranties). I picked up the Alpine PDX-5 and haven't looked back. It is a great little amp with 75x4 and 300x1, and I picked one up used on ebay for $240 shipped (a hell of a deal) and they can generally be had used for $300 and new for under $400. Here is a link to the user manual PDF, they have a tiny footprint at only ~10" long. Mine is currently going under my drivers seat.

    I really like infinity's kappa series. Great speakers at a great price, and they break in quickly. I wouldn't expect them to respond very well to head unit power though, but anything is better than factory. Good luck with your upcoming projects!

  8. #8
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    I took the rear seat out to show where i think I will mount the amp(s). The deapth behind the rear seat to the back wall, including the sound proofing, is just over 2.5 inches. Here a some pictures of the back wall and the installed speakers for the mains.






  9. #9
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    I am thinking that I could use a thinner say 1/2" plywood and wount it the the wall for the amp(s) to mount to. One option, weld bolt to the wall and have them come out 2 inches. This would allow me to bolt the plywood to the rear wall without having to get rid of the insulation mat. I am thinking JB weld, not actually welding it.

  10. #10
    Sheepdog rdholtz's Avatar
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    You might use the strap brackets on the top to mount it, and use angle brackets at the seat belt mount points at the bottom. If the amps have base flanges, cut holes in the plywood for the amps to stick through, and mount them on the back of the plywood; that way you won't lose the thickness of the plywood.

    You could use tee nuts -- available at most hardware stores -- for mounting to give very secure attachment. They look like this:

    .
    If just enough is really good, then too much ought to be perfect.

    2006 Scion xB with in-dash Atom & Lilliput 889GL -- Worklog at http://www.mp3car.com/vbulletin/work...res-links.html
    .

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