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Print in friendly format Send this term to a friend  L98 Intake Bolt Sizes
This is data compiled by CentralCoaster. It lists all the bolt sizes for a stock L98 intake manifold and some of the attachments.

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-=Jeff=- Help with a door panel
Master Guru
Bartlett, IL
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I need to do something to allow sound through a door panel


Here is the area (back side) I need it to be
Resized Image


here is the front:
Resized Image




Any ideas on how to make it work? I just need this to be some sort of grill area
Posted on: 2010/12/31 3:05
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bogus Re: Help with a door panel
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wow... I hate those later door panels...

You can try to eat up the plastic from the inside, leaving the vinyl... then using a punch and awl, put some holes into it, then reback it with screen material to give it strength.

Does that make sense?
Posted on: 2010/12/31 3:17
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Matatk Re: Help with a door panel
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Do you want to cut the door panel? Or leave it looking the shape it's in?
Posted on: 2010/12/31 3:49
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-=Jeff=- Re: Help with a door panel
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Quote:

bogus wrote:
wow... I hate those later door panels...

You can try to eat up the plastic from the inside, leaving the vinyl... then using a punch and awl, put some holes into it, then reback it with screen material to give it strength.

Does that make sense?


Yes, thought of that but concerned of the vinyl not being pliable enough (partly due to the age)


Quote:
Do you want to cut the door panel? Or leave it looking the shape it's in?


I could cut it as long as it would look good once done
Posted on: 2010/12/31 3:54
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bogus Re: Help with a door panel
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I suspect the vinyl will survive... it will just be tricky...
Posted on: 2010/12/31 4:21
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Matatk Re: Help with a door panel
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How big does the speaker opening need to be? Off the top of my head, I think you could use a cardboard tube (heavy duty) and cut out the circle, insert the tube and fiberglass it in, then wrap in vinyl and cover with a grill. Does that make sense the way I typed it? It's a lot of work, but I know that doesn't scare you

Matthew
Posted on: 2010/12/31 12:35
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-=Jeff=- Re: Help with a door panel
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speaker in the door is 6.5" and will be doing mid-bass duty only. due to the dash it is partially blocked BUT, there is a cavity between the door panel and door, I am leaving the speaking in the doors themselves, so I could even do a 4" DIA grill in that area. I need to see how the 4" grill would work too.

I was not looking into doing something too complex if I can avoid it.. also not sure how to keep the vinyl from curling on the edges after cutting. While is might not happen right away it could still happen
Posted on: 2010/12/31 13:59
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bogus Re: Help with a door panel
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The other option is to go totally off the deep end. Build the pod like I did (and Matt suggested) then wrap the entire panel in fresh vinyl, or even leather. At this stage, even something like Alcantara could be integrated.
Posted on: 2010/12/31 18:12
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-=Jeff=- Re: Help with a door panel
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yeah looking at the panels I have, the ribs are broken in a couple spots.. need to fix that and still work through what to do..

They will not be going on the car this year like I thought
Posted on: 2011/1/3 5:52
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bogus Re: Help with a door panel
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Here is the score... remember the speaker pod I made with the Jag speaker grill and bezel? That took about 3 hours to make, with about 48 hours wall time, waiting for things to dry/set.

It won't take much to fix and modify the panels.
Posted on: 2011/1/3 7:49
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-=Jeff=- Re: Help with a door panel
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yeah I know. but for some of the stuff (fibeglassing) I need to wait until it is warmer here first
Posted on: 2011/1/3 13:29
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CentralCoaster Re: Help with a door panel
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I'm not sure of a way to perforate the vinyl without it looking uneven and crappy. Maybe mark grid lines on it in a hex pattern with something removeable, then peel the vinyl off and use a leather punch against a wood board behind it. Then mark and do the same holes in the plastic behind it, remove whatever padding is in there, then reinforce the plastic or vinyl if necessary.
Posted on: 2011/1/3 20:14
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-=Jeff=- Re: Help with a door panel
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Need to look at this again due to the new door configuration with my door locks

So I am thinking a 4" round grill just to let the midbass sound through.. I will try to get a pic of what I am thinking
Posted on: 2011/1/27 3:46
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-=Jeff=- Re: Help with a door panel
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Now that I need to get these working for the car.. I was looking around for some grills to try and found some that will work perfectly and are flexible (to a point)

I will cut out holes in the doors for these and cover the grills in grill cloth. I also have to add a few pieces for mounting them but I think this is a perfect/not too complex solution:


left side is fairly easy:
Resized Image


Passenger side while a bit harder with this grill it will be much better and I already have the grill contour close tot he panel:
Resized Image
Posted on: 2011/1/27 12:56
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bogus Re: Help with a door panel
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That has possiblities!
Posted on: 2011/1/27 20:36
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Matatk Re: Help with a door panel
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Looks good so far! You might have to secure the grill using a bolt/nut on the back. I'm not sure if there will be enough bite in just the panel itself.
Posted on: 2011/1/28 3:14
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-=Jeff=- Re: Help with a door panel
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Quote:

Matatk wrote:
Looks good so far! You might have to secure the grill using a bolt/nut on the back. I'm not sure if there will be enough bite in just the panel itself.


That is the plan

Passenger side is cut.. working on driver side
Posted on: 2011/1/28 3:22
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-=Jeff=- Re: Help with a door panel
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Driver side cut:
Resized Image



Passenger side
Resized Image
Posted on: 2011/1/28 4:01
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Matatk Re: Help with a door panel
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Awesome. For my car I just got some fabric at JoAnnes...basic black cloth...they didn't have "speaker fabric" specifically, but I only paid like 3-4 dollars for a yard or two.

Matthew
Posted on: 2011/1/28 12:30
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-=Jeff=- Re: Help with a door panel
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Quote:

Matatk wrote:
Awesome. For my car I just got some fabric at JoAnnes...basic black cloth...they didn't have "speaker fabric" specifically, but I only paid like 3-4 dollars for a yard or two.

Matthew


I have a bunch of black grill cloth I bought from parts express a couple years ago. I just need to buy some hardware for mounting them
Posted on: 2011/1/28 12:50
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-=Jeff=- Re: Help with a door panel
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Another update..


Resized Image


[IMG width=300]http://lh3.ggpht.com/_N1g6599TmMo/TUR7pJ3OS_I/AAAAAAAABhk/7ryZpEXgxx0/s800/2011-01-29_14-28-42_90.jpg[/IMG]
Posted on: 2011/1/29 20:55
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flyboy Re: Help with a door panel
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Nice work. So, the speaker is nearby but not directly behind the grill?
Posted on: 2011/1/29 21:17
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-=Jeff=- Re: Help with a door panel
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Quote:

flyboy wrote:
Nice work. So, the speaker is nearby but not directly behind the grill?
yes that is correct. Should work well, if not I can change it
Posted on: 2011/1/29 21:25
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Matatk Re: Help with a door panel
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I think it looks great and should work out well.
Posted on: 2011/1/30 12:36
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-=Jeff=- Re: Help with a door panel
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Resized Image


Resized Image
Posted on: 2011/1/31 0:35
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bogus Re: Help with a door panel
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Impressive!!! I like that. It really overcomes the limitations of the door panels, very nicely!!!
Posted on: 2011/1/31 0:45
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-=Jeff=- Re: Help with a door panel
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Thanks Bogus!.. Funny thing it was not to complicated to do, that grill I used is a OEM Corvette part too.
Posted on: 2011/1/31 0:48
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bogus Re: Help with a door panel
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Gotta love a job well done! And one that was CHEAP to do!

How does it sound? That fabric looks shear enough to not block sound.
Posted on: 2011/1/31 0:54
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-=Jeff=- Re: Help with a door panel
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Um sound?

no clue,. system is not wired yet and the new HU is not installed

this was done to finish the Window regulator replacement
Posted on: 2011/1/31 0:55
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Matatk Re: Help with a door panel
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Looks factory. What year corvette was the grill from?
Posted on: 2011/1/31 12:56
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-=Jeff=- Re: Help with a door panel
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Quote:

Matatk wrote:
Looks factory. What year corvette was the grill from?


90-96 Rear Bose 6.5 speaker grill. under the interior matched grill
Posted on: 2011/1/31 12:59
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Tre57 Re: Help with a door panel
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That looks nice! Makes me wish I hadn't disposed of my rear inner grills.

Question: How are the speakers mounted? I am about to rip out all the interior (again) to install an amp and want to get rid of the 4's in kick panels and mount some 5.25 components in the doors.
Posted on: 2011/2/28 10:09
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-=Jeff=- Re: Help with a door panel
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Quote:

Tre57 wrote:
That looks nice! Makes me wish I hadn't disposed of my rear inner grills.

Question: How are the speakers mounted? I am about to rip out all the interior (again) to install an amp and want to get rid of the 4's in kick panels and mount some 5.25 components in the doors.


the speaker are mounted to the door themselves. not optimum, but the speakers in the doors are just midbass
Posted on: 2011/2/28 13:06
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Tre57 Re: Help with a door panel
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Quote:

-=Jeff=- wrote:
the speaker are mounted to the door themselves. not optimum, but the speakers in the doors are just midbass


Thanks. I will check the doors for place to mount the mids when I get the panels off.
Posted on: 2011/3/1 8:00
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-=Jeff=- Re: Help with a door panel
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Someone asked about sound

well.. the 6.5" sound great, the rest is well.. meh

I REALLY need to go active, I have the nak in there due to noise from the Eclipse. Active sounded good, so I am thinking of looking at the MiniDSP again.. then I don't need a 3-way headunit.. but I will deal with the system for the summer
Posted on: 2011/4/21 3:07
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