using a quarterpanel for part of a box

[86monte 10+ year member]

i heard and seen of people using the sheetmetal of their car for one of the walls on their box. how is this done and can you use a quarter panel.

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[goingdef 10+ year member]

you can use anything you like if you can build it up to be very stiff and dense

the how would be fiber glass

 

[stangman67 10+ year member]

Quarter panel as part of the box??? No way in hell I would do that. It would be pretty hard to pull off as well.. Quarter panels generally aren't extremely stiff.

 

[loudassbug 10+ year member]

I have only ever done that type of enclosure,in a pick up truck using the back wall of the cab for the back of the box.I got the technique from some N.A.M.E videos,I bought when I first started installing.I believe it was either one of the fiberglass tutorial videos.Or building exotic enclosures video.It can be a pain to get the sides contoured properly(use cardboard for a pattern and keep trimming it until it's as close to perfect as possible,then transfer the shape to your MDF),use Dynamat on the metal(except where you will attach the sides)or it will vibrate really bad.You can also fiberglass the rear wall like you would for a spare tire well type enclosure.Then pop it off and attach it to the enclosure