2 15s ported
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Joined: Feb 2009
Posts: 33
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Car: 1988 firebird
Engine: 350 and a holly finally
Transmission: 700r4
Axle/Gears: 3.42
2 15s ported
so i finally got my box done that fits behind the back seats and is ported for 2 15s it is 5.19 cu. ft and ported at 34 hz measurements don't account for the material but that is easy u will have to do some adjustments as i talored this to my car and some of the plastic is bent and the carpet is wrinkled so u could possible make it better
Last edited by 88birdttop; Mar 26, 2010 at 10:25 PM.
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Joined: Dec 2009
Posts: 80
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From: Ohio
Car: 1988 Camaro IROC-Z and 91 Z28
Engine: 305 TPI and 350 TPI
Transmission: 700r4
Axle/Gears: unsure of ratio but POSI (:
Re: 2 15s ported
sweet thanks bro. can you take more pics? of it installed and better angles of the shape if you get the chance
Thread Starter
Junior Member
Joined: Feb 2009
Posts: 33
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Car: 1988 firebird
Engine: 350 and a holly finally
Transmission: 700r4
Axle/Gears: 3.42
Re: 2 15s ported
so i hooked them up today and holy crap they are so much louder now they will rattle the wax outta your ears and now they will even make the wing flex pretty good too lol ill get some pics of it instaled soon
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Thread Starter
Junior Member
Joined: Feb 2009
Posts: 33
Likes: 0
Car: 1988 firebird
Engine: 350 and a holly finally
Transmission: 700r4
Axle/Gears: 3.42
Re: 2 15s ported
No thanks man I don't think they are really worth it I just got that one when I bought another system from a buddy i plan on gettin a better aternator first thanx tho
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Joined: Jul 1999
Posts: 12,212
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From: Bertram (outside Austin), TX
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: 2 15s ported
Neat, but I woulda made the 11" rear lower deck at an angle, up to the top deck, instead of the lower being flat & a 2.5" step up.
I woulda made the air flow between the upper & lower areas better & still be functional for mounting an amp or whatever, if you wanted to mount one there.
But it is your car & your box. Only you hafta be happy with it. I was just thinking out loud.
I woulda made the air flow between the upper & lower areas better & still be functional for mounting an amp or whatever, if you wanted to mount one there.
But it is your car & your box. Only you hafta be happy with it. I was just thinking out loud.
Banned
iTrader: (12)
Joined: Jul 1999
Posts: 12,212
Likes: 13
From: Bertram (outside Austin), TX
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: 2 15s ported
BTW.....
Your missing the dimensions in your lower diagram for the hatch latch notch. And what perspective is the upper right pic?
Your missing the dimensions in your lower diagram for the hatch latch notch. And what perspective is the upper right pic?
Joined: Oct 2007
Posts: 2,606
Likes: 6
From: Kemah, Tx
Car: 1991 z28
Engine: Turbo 310
Transmission: T56
Axle/Gears: D44
Junior Member
Joined: Dec 2009
Posts: 80
Likes: 0
From: Ohio
Car: 1988 Camaro IROC-Z and 91 Z28
Engine: 305 TPI and 350 TPI
Transmission: 700r4
Axle/Gears: unsure of ratio but POSI (:
Re: 2 15s ported
that looks so fn sick bro! damn really glad you got those numbers and pics up for me.lol. you should put vids of it on youtube. bet it slams hard!
Thread Starter
Junior Member
Joined: Feb 2009
Posts: 33
Likes: 0
Car: 1988 firebird
Engine: 350 and a holly finally
Transmission: 700r4
Axle/Gears: 3.42
Re: 2 15s ported
Neat, but I woulda made the 11" rear lower deck at an angle, up to the top deck, instead of the lower being flat & a 2.5" step up.
I woulda made the air flow between the upper & lower areas better & still be functional for mounting an amp or whatever, if you wanted to mount one there.
But it is your car & your box. Only you hafta be happy with it. I was just thinking out loud.
I woulda made the air flow between the upper & lower areas better & still be functional for mounting an amp or whatever, if you wanted to mount one there.
But it is your car & your box. Only you hafta be happy with it. I was just thinking out loud.
yea ill try to get some vids up soon and with those hx2s ull have to do some work to get them to mount i looked at mine and i only have like an inch on two clearanse between the glass and the surround and i no urs are deeper and the surround is taller so the only way will prolly to just move them up as far as possible or tip them towards the back
the next step will be electrical when it hits hard my volts drop almost all the way down to 12
Thread Starter
Junior Member
Joined: Feb 2009
Posts: 33
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Car: 1988 firebird
Engine: 350 and a holly finally
Transmission: 700r4
Axle/Gears: 3.42
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