Re: filling firewall holes, welding help
[Re: mcat4321]
#2541401
08/25/18 10:17 PM
08/25/18 10:17 PM
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Joined: Aug 2011
Posts: 2,861 Pattison Texas
CSK
master
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master
Joined: Aug 2011
Posts: 2,861
Pattison Texas
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get a piece of copper, & hold it on the backside of the hole & weld the hole up, be sure & wear thick gloves CLICK HERE
Last edited by csk; 08/26/18 02:42 AM.
1968 Charger COLD A/C Hilborn EFI 512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim 2020 T/A 392 Stock 11.79 @ 114.5
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Re: filling firewall holes, welding help
[Re: mcat4321]
#2541510
08/26/18 11:53 AM
08/26/18 11:53 AM
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Joined: Jan 2004
Posts: 8,273 fredericksburg,va
cudaman1969
master
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master
Joined: Jan 2004
Posts: 8,273
fredericksburg,va
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Use a headed nail, many sizes made, pull through the hole, hold with vise gripes. Weld, grind off excess, non galvanized roofing nails work best (thin head)
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Re: filling firewall holes, welding help
[Re: mcat4321]
#2541549
08/26/18 01:27 PM
08/26/18 01:27 PM
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Joined: Jan 2010
Posts: 667 Los Osos, Ca
CKessel
mopar
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mopar
Joined: Jan 2010
Posts: 667
Los Osos, Ca
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For bigger holes, I found out that the left over plug from using Blair RotaBroaches work out slick. Measure what size the hole is then find one of the broaches by measuring the inside of the unit. The plug will have somewhat of a flange on it that makes it easy to hold in place for welding.
Carl Kessel
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Re: filling firewall holes, welding help
[Re: mcat4321]
#2541662
08/26/18 06:29 PM
08/26/18 06:29 PM
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Joined: Mar 2003
Posts: 4,848 Memphis
HemiRick
master
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master
Joined: Mar 2003
Posts: 4,848
Memphis
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To easily weld sheet metal you to use .023 wire w gas and a welder that that is infinitely adjustable rather than fixed steps. Otherwise burning it up is all to easy....the copper backing behind helps too.
Take care, Rick 68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451
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