help on box design

[91caprice 10+ year member]

im some what stuck on this box design i came up with for my 91 caprice.

ive came up with 5.5cuft using .75mdf but not sure if its right.

if someone can help out with it it would be great. also i want to port it through the rear deck,but unsure of how many square inches of port i need.

this is the design i came up with

Click to read more...

 

[91caprice 10+ year member]

bump for some help

 

[dappa5 10+ year member]

bump for offering to pay for a proper design oh wait you didn't lol '

rule of thumb for slots is 12-16 in^2 per ft^3 so figure out your volume aprox and go from there

 

[91caprice 10+ year member]

lol if thats what it takes,cool.

but i figured someone would help out since we all gotta start some where,not everyone was a master a building/calculating boxes.lol

but thanks for the pointers.