280Z-LS3 Posted December 20, 2020 Author Share Posted December 20, 2020 I gave 1/2" of "stand off" distance from B pillar for main hoop and A pillar forward bars, think that's enough? Worried anything more starts intruding into cabin for rear seat clearance and left foot dead pedal to clutch pedal movement. I have not practiced any methods for welding on back sides of tubes yet. I like your suggestion of tig technique. Watched a you tube video of a mig technique. Basically turn the gas up, 15 psi is normal so thinking 25 psi, start weld a good distance from back side to get heat into the work. As the weld proceeds toward the back there is a ton of gas shielding and the heat in the work helps the weld flow out. You kinda get one shot at this so will weld a bunch of practice mock ups to see what works best for me. Quote Link to comment Share on other sites More sharing options...
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