 Firewall holes....?, weld them up or keep as is? |
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| falcor75 |
 May 1 2014, 05:59 AM
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#1
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Senior Member  Group: Members Posts: 1,579 Joined: 22-November 12 From: Sweden Member No.: 15,176 Region Association: Scandinavia 
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(IMG:http://www.914world.com/bbs2/uploads_offsite/matsgarage.com-15176-1398945575.1.jpg)
I cant remember if these holes are used for anything or if I can weld them up? |
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| GaroldShaffer |
May 1 2014, 06:06 AM
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#2
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You bought another 914? Group: Benefactors Posts: 7,622 Joined: 27-June 03 From: Portage, IN Member No.: 865 Region Association: None 
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QUOTE(falcor75 @ May 1 2014, 06:59 AM)  (IMG:http://www.914world.com/bbs2/uploads_offsite/matsgarage.com-15176-1398945575.1.jpg) I cant remember if these holes are used for anything or if I can weld them up? If I remember correctly that is where the plastic "pin" goes thru to hold the sound pad in the engine bay area. |
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| Chris H. |
May 1 2014, 06:20 AM
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#3
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Senior Member Group: Members Posts: 4,030 Joined: 2-January 03 From: Chicago 'burbs Member No.: 73 Region Association: Upper MidWest
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Correct sir. Keeps that big heavy pad from sagging in the engine bay. You can weld them up if you're not going to use a pad or if they wouldn't be useful for something else.
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| arkitect |
May 1 2014, 06:24 AM
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#4
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Senior Member Group: Members Posts: 617 Joined: 3-March 10 From: Stockton, CA Member No.: 11,426 Region Association: None |
It looks like the stock tar mat is still on the floors. Don't know if you are aware that they often hide rust under it. Good idea to strip the floors on both the driver and passenger side of the tunnel.
Dave |
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| gms |
May 1 2014, 08:27 AM
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#5
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Advanced Member Group: Members Posts: 2,695 Joined: 12-March 04 From: Chicagoland Member No.: 1,785 Region Association: Upper MidWest
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I would weld up the holes and use dynamat or equivalent sound deadening instead of factory pad...on the floor too
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| falcor75 |
May 1 2014, 08:40 AM
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#6
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Senior Member Group: Members Posts: 1,579 Joined: 22-November 12 From: Sweden Member No.: 15,176 Region Association: Scandinavia
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Thanks guys, I'll go ahead and weld them up then as I wont be using the soundmat in the engine bay. This is an old picture so the floors have long since been cleaned up and de-rusted. (IMG:style_emoticons/default/smile.gif)
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| mramber |
May 1 2014, 06:40 PM
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#7
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Member Group: Members Posts: 87 Joined: 14-April 13 From: Minneapolis, MN Member No.: 15,768 Region Association: Upper MidWest |
I am in the same place. forgive me if this sounds dumb but I'm somewhat new to welding. When you say weld them up, what is the best way to do this without blowing a bigger hole? I'm using a MIG welder and I have been practicing. Do you put some "backing" metal on the inside and weld from the engine compartment, then grind and smooth in the engine compartment for a nice finish (which is what I want to try)? Can a good welder start at an edge and fill the hole without burning through and making it bigger? Maybe I should drill some holes in sheet metal and practice welding them shut... (IMG:style_emoticons/default/welder.gif)
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| arkitect |
May 1 2014, 09:18 PM
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#8
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Senior Member Group: Members Posts: 617 Joined: 3-March 10 From: Stockton, CA Member No.: 11,426 Region Association: None |
QUOTE(mramber @ May 1 2014, 05:40 PM) I am in the same place. forgive me if this sounds dumb but I'm somewhat new to welding. When you say weld them up, what is the best way to do this without blowing a bigger hole? I'm using a MIG welder and I have been practicing. Do you put some "backing" metal on the inside and weld from the engine compartment, then grind and smooth in the engine compartment for a nice finish (which is what I want to try)? Can a good welder start at an edge and fill the hole without burning through and making it bigger? Maybe I should drill some holes in sheet metal and practice welding them shut... (IMG:style_emoticons/default/welder.gif) With a length of copper piping, bend over end and flatten. Have a helper hold it from the engine side to use as a backing. The welding won't attach to the copper. Dave (IMG:style_emoticons/default/biggrin.gif) |
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