umm... MDF = Compressed cardboard = sponge when wet?
Plus it's heavier than ply.
If I were you, I would make it out of 1/2" ply. No need to go 5/8 or 3/4... think about how thick the backing is now. It rests on the metal, and you've got all the support you need. You could even get away w/ 3/8 and put a second layer to mount the sub box in. So it would look like the following:
____________| |_____________| |
Plus it's heavier than ply.
If I were you, I would make it out of 1/2" ply. No need to go 5/8 or 3/4... think about how thick the backing is now. It rests on the metal, and you've got all the support you need. You could even get away w/ 3/8 and put a second layer to mount the sub box in. So it would look like the following:
____________| |_____________| |
2000 Black ZX3
Blacked Out Head & Tail lights - APC Clear Turn Signals - 20% Tint All Round - K&N Filter - Cheap ass fogs that are brighter than my headlights - Clarion DXZ745MP - Jensen XA 4100 amp on Mobile Authority 200w 6x8's - Jensen 340w amp on a 12" Rockford Sub, custom enclosure - KYB GR2 Dampers - SHM Springs @ 1.5" - Brembo Cross Drilled Rotors w/ CVR Ceramic Pads - Silver Gauge Bezel - Focus Central 2-Piece Under Drive Pullies - 17 x 7 Rims by Fast Wheels mounted on 215/40/17's - Wings West W-Typ front lip - Coming Soon: Paint, Component Speakers (Spring 06)
Blacked Out Head & Tail lights - APC Clear Turn Signals - 20% Tint All Round - K&N Filter - Cheap ass fogs that are brighter than my headlights - Clarion DXZ745MP - Jensen XA 4100 amp on Mobile Authority 200w 6x8's - Jensen 340w amp on a 12" Rockford Sub, custom enclosure - KYB GR2 Dampers - SHM Springs @ 1.5" - Brembo Cross Drilled Rotors w/ CVR Ceramic Pads - Silver Gauge Bezel - Focus Central 2-Piece Under Drive Pullies - 17 x 7 Rims by Fast Wheels mounted on 215/40/17's - Wings West W-Typ front lip - Coming Soon: Paint, Component Speakers (Spring 06)