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99-07 Gmc/Chevy Extended cab Trucks

 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1180
Registered: Nov-04
Anyone drive one and still have the rear seats in. I need someone to measure for me that max size a box could be to fit under there. Im looking to build something like this for my buddy thats in iraq and his truck is in storage and i cant measure it.

http://img516.imageshack.us/img516/1841/dscf0137fd1.jpg

http://img241.imageshack.us/img241/9580/dscf0138gh8.jpg

Its gonna be for a fully loaded 12" BL from FI. He was running a 12" MAG in it and said it didnt hit the bottom of the seat when it was down. the top it double baffled to help flush mount it. He said its 2.0tuned to 33hz. I want to tune to around 35hz or so for my buddy.
 

Gold Member
Username: Mixneffect

Orangevale, Ca. USA

Post Number: 1434
Registered: Apr-05
Outside dimmensions are;

7" back
9.5" front
14" deep
57.5" - 58" wide
the gap in the center is about 15.5"
 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1181
Registered: Nov-04
how tall in the gap in the center?
 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1182
Registered: Nov-04
i need to see how this is gonna work out lol and be like he said. I may have to lift his rear seats up 2"
 

Gold Member
Username: Mixneffect

Orangevale, Ca. USA

Post Number: 1435
Registered: Apr-05
3.5"
 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1183
Registered: Nov-04
i wish he would msg me back so i get get the dimensions of the box he built.
 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1184
Registered: Nov-04
I just ordered the brackets to lift the rear bench up 3"
 

Gold Member
Username: Mixneffect

Orangevale, Ca. USA

Post Number: 1437
Registered: Apr-05
Whats your dimmensions so far?
How much volume do you hvae in CF or liters?
 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1185
Registered: Nov-04
i dont know thats why i asked. I cant get to the truck its in storage while he is in iraq. I just added 3" to what you gave me so i will be good im sure. lets do some figuring to see what i get and what you get. Im gonna do 10" For the height all around.
 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1186
Registered: Nov-04
i figure 2.968 internal dimensions. ive never done pvc ports so i dont know how to figure them yet. need to tune this enclosure to around 35hz or so.
 

Gold Member
Username: Mixneffect

Orangevale, Ca. USA

Post Number: 1438
Registered: Apr-05
What type of wood are you going to use? MDF? What thickness?
 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1187
Registered: Nov-04
3/4 MDF. I will need to double baffle to top piece so i can flush mount the sub some. I actually need to do about 9" on the height and double baffle to keep the sub away from the bottome of the seat.
 

Gold Member
Username: Mixneffect

Orangevale, Ca. USA

Post Number: 1439
Registered: Apr-05
If you use the outside dimmensions of 10 X 57.5 X 14, and use 3/4" thick wood, your inside dimmensions are 8.5 X 56 X 12.5 = 5950

The center cutout outside dimmensions are 3.5 X 15.5, so your inside dimmensions would be 4.25 X 17 = 72.25

Now subtract 5950 - 72.25 = 5877.75

Now divide 5877.75 / 1758 = 3.34343 CF*

You still need to subtract driver and port displacement. I do not have BassBoxPro6 on the comp I have now, otherwise I would help you. Ask arround and see what you need.
 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1188
Registered: Nov-04
http://www.supercrewsound.com/shop/index.php?cmd=pic&mod=11&id=192a looking at that thats 2.6cuft total using 5/8. I wish i could get to this freaking truck to maybe i could design a box for this freaing 12" sub. Downfiring would be great.
 

Gold Member
Username: Extrmndor3

Sit and Look pretty

Post Number: 3285
Registered: Feb-06
man Mr kebo coronas are the finest beers cuz they come from mexico and are made in mexico by mexicans that gives the coronas authentic mexican flavor.
try to get "mezcal" its likea tequila made out of worms they even include inside the liquid a worm that u eat that shyt taste great but i havent ate the worm in my life but alot of people do and they luv it :-)


try "jarritos", "manzanita" "sangria" those are some good sodas


this shyt was refreshing
 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1189
Registered: Nov-04
ok thanks.
 

Gold Member
Username: Mixneffect

Orangevale, Ca. USA

Post Number: 1440
Registered: Apr-05
For 9 X 57.5 X 14 OD, its 6.75 X 56 X 12.5 ID = 4725

4725 - 72.25 = 4652.75

4652.75 / 1758 = 2.6466154 CF
 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1190
Registered: Nov-04
this can be done. I know it lol
 

Gold Member
Username: Mixneffect

Orangevale, Ca. USA

Post Number: 1441
Registered: Apr-05
Im guessing that the only way the supercrewsound can get 2.6 CF is if they use 5/8" thickness and slant the box from 9" front to 7" back.

My configurations above are all using 3/4" thickness, and no slant, just squared up like you said.
 

Gold Member
Username: Mixneffect

Orangevale, Ca. USA

Post Number: 1442
Registered: Apr-05
You can do it !!!

FTW :-)
 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1191
Registered: Nov-04
yea i guess i could slant it.
 

Gold Member
Username: Mixneffect

Orangevale, Ca. USA

Post Number: 1443
Registered: Apr-05
Be carefull with your design.

The slant only offers you the option to get away from rasing the seat. You need to design it so that the woofer doesnt bottom out.

I have an 02 GMC Sierra extended cab and I built two separate boxes instead of one with a cutout for the center hump. I have one 8" firing forward in each box, so thats why I was able to use the entire space. If you wanna do a 12", you cant install it firing forward, you have to install it on top, bottom, or slanted at the end. Each design has its complications and limitations.

Be smart. Measure twice, and cut once. :-)
 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1193
Registered: Nov-04
http://img440.imageshack.us/img440/5799/box11gn.jpg
http://img212.imageshack.us/img212/595/box20ff.jpg

He sent me that and said it works just fine with the seat down
 

Gold Member
Username: Mr_kebo

Albertville, Al USA

Post Number: 1194
Registered: Nov-04
not raised in his 03 sierra
 

Gold Member
Username: Mixneffect

Orangevale, Ca. USA

Post Number: 1446
Registered: Apr-05
You know, at midnight my time, I guess I was too wore out, and I miscalculated.

If you look above where I made the 4.25 X 17 = 72.25, I forgot to include the third measurement of the cube which is 14. So it should have been;

4.25 X 14 X 17 = 1011.5

So then the box CF would be smaller as well.

4725 - 1011.5 = 3713.5

3713.5 / 1758 = 2.1123435 CF*

This was on the last calculation with the dbl front baffle and a 9" height.
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