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Dave Birdwell Oct 27th, 08, 7:44 PM I really don't think GM had switched to Halogen for 1972, but, what DID they use? Did they have 7" T-3's?? Getting closer to needing to know.. Thanks! :thumbsup: Chevelle_Nut Oct 27th, 08, 10:11 PM I believe they were called Power Beams with a circle in the center instead of a triangle but I can't swear to it. 1972convss454 Oct 27th, 08, 10:14 PM They were "Power Beams". If I am correct '71 was the last year for the T3's. Dave, Nice Ride!!! Can't wait to see it complete. BlueSS454 Oct 28th, 08, 11:30 PM T-3's ended in 1970. 71-72 had Power Beams. Even my dad's old 78 GMC truck has the original Power Beams still in it :thumbsup: chevl71 Oct 29th, 08, 7:50 AM T-3's ended in 1970. 71-72 had Power Beams. Even my dad's old 78 GMC truck has the original Power Beams still in it :thumbsup: Tom, or do you mean your dad's old truck USED to have Power beams??;) I bet he'd appreciate you updating it for him. elcamino72 Oct 29th, 08, 4:24 PM '71 and '72 used "Power Beam" headlights ... these shouldn't be all that difficult to locate in a salvage yard as they were used on the very popular mid/late 70's Chevy/GMC trucks! BlueSS454 Oct 29th, 08, 6:59 PM Nope...it still has them :yes: Dave Birdwell Oct 29th, 08, 9:52 PM Thanks guys, I think I may have found a guy with a pair. Just needed to know what they were. :thumbsup: | ||