I wondered about the same thing, welding the lip on the TB, looks like a good idea to keep it from blowing off. Put the coupler on, tighten the T-bolt on the engine side of it, and call it a day! =)
__________________ Cen-Cal Racing
67 Firebird - S480 @ 19psi, 408, Custom Comp Turbo Cam, 9" w/3.89's, 3800 stall, TH400 on the way!
06 LBZ Duramax (360hp/650lbs-tq) 2500HD ECSB 4wd Pro Comp 6" Lift, Pro Comp 16" Xtreme Wheels + 35" Tires, PPE STD @ LVL 4 (225hp/335lbs increase), Transgo Jr. !EGR/!Resonator/!CAT 4" Mandrel Exhaust w/Coffin |