How hard is it to weld torque boxes?

withamc · 02-15-2001, 12:44 AM

I'm thinking about new control arms and while I'm doing that might as well reinforce the torque boxes. How hard is it to weld those things - especially the uppers?

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86 GT, GT40P heads, Cobra cam, 1.7 RR's, Cobra intake, 65mm TB, 73mm Vortech, 24# injectors, MAC GT40P headers, 2-1/2" BBK H-pipe (w/cats), Flowmasters, 3.55s.
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Crane 2031 on order

84_GT350 · 02-15-2001, 12:59 AM

Do you have any experience with a smoke wrench? If you've done any automotive welding before, it should be prettystraight forward. I've never done it before but I've seen it done and it looked pretty basic. The pain in the @ss is all the security and fire hazard precautions.

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1984 1/2 GT350 (#842 Hatchback w/ T-tops), 302HO, Comp cams Xtreme Energy cam, Carter 625cfm carb, Weiand Stealth intake, MSD distributor, MSD coil, FMS 9mm wires, 1 5/8" MAC unequal shorties, 2 1/2" MAC Prochamber H-pipe, Flowmaster 2 chambers, KYBs, 16"x8" 4 lug Cobra Rs, Falken 245/45ZR16s

withamc · 02-15-2001, 01:56 PM

Not to sound stupid, but my only welding experience so far is some welding I've done on my Jeep. When you're saying security and fire protection, I assume you're talking about pulling insulation from inside the car. What else, do I need to pull the gas tank? Maybe I'm better off taking this in somewhere.

02-15-2001, 10:04 PM

welding up the torque boxes is a piece of cake. I just did this mod on my 78 Fairmont here at school. The biggest pain is getting the whole rear end and control arms out. Just make sure you have clean metal and the gaps arent too big. I used a torch and a wire brush to clean off the sheetmetal, much easier than trying to sand it. 110V mig welders work best. If you stich weld technique you shouldnt have to worry about setting the inside of the car on fire. GOOD LUCK

02-15-2001, 12:44 AM	#1
withamc Registered Member Join Date: Aug 2000 Location: Thousand Oaks, CA Posts: 396	How hard is it to weld torque boxes? I'm thinking about new control arms and while I'm doing that might as well reinforce the torque boxes. How hard is it to weld those things - especially the uppers? ------------------ 86 GT, GT40P heads, Cobra cam, 1.7 RR's, Cobra intake, 65mm TB, 73mm Vortech, 24# injectors, MAC GT40P headers, 2-1/2" BBK H-pipe (w/cats), Flowmasters, 3.55s. ************** Crane 2031 on order

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02-15-2001, 12:59 AM	#2
84_GT350 Registered Member Join Date: Apr 1999 Location: Overland Park, KS, USA Posts: 1,631	Do you have any experience with a smoke wrench? If you've done any automotive welding before, it should be prettystraight forward. I've never done it before but I've seen it done and it looked pretty basic. The pain in the @ss is all the security and fire hazard precautions. ------------------ 1984 1/2 GT350 (#842 Hatchback w/ T-tops), 302HO, Comp cams Xtreme Energy cam, Carter 625cfm carb, Weiand Stealth intake, MSD distributor, MSD coil, FMS 9mm wires, 1 5/8" MAC unequal shorties, 2 1/2" MAC Prochamber H-pipe, Flowmaster 2 chambers, KYBs, 16"x8" 4 lug Cobra Rs, Falken 245/45ZR16s

02-15-2001, 01:56 PM	#3
withamc Registered Member Join Date: Aug 2000 Location: Thousand Oaks, CA Posts: 396	Not to sound stupid, but my only welding experience so far is some welding I've done on my Jeep. When you're saying security and fire protection, I assume you're talking about pulling insulation from inside the car. What else, do I need to pull the gas tank? Maybe I'm better off taking this in somewhere.

02-15-2001, 10:04 PM	#4
mikos chris Guest Posts: n/a	welding up the torque boxes is a piece of cake. I just did this mod on my 78 Fairmont here at school. The biggest pain is getting the whole rear end and control arms out. Just make sure you have clean metal and the gaps arent too big. I used a torch and a wire brush to clean off the sheetmetal, much easier than trying to sand it. 110V mig welders work best. If you stich weld technique you shouldnt have to worry about setting the inside of the car on fire. GOOD LUCK