Instead of the spring pictured above, which I think is putting more load on the tensioners all the time while the trunk is closed, I have a loop of bungee cord hanging loose on the cross bar the spring in the pics is attached too. When I open the trunk lid and need to make sure it stays open, I'll hook the loop of bungee onto the hinge (the nub of the tension bar). Seems to do the trick to keep the trunk lid open on windy days, etc. It wouldn't solve opening issues however.
The "spring mod" doesn't put any load on the torsion bar tensioners when closed. It does stretch the spring itself when the trunk is closed, but other than that, it/they (I use only one) just connects from the hinge bar to a stationary rod.
__________________ Owner of "Campbelle", a Brazen 2008 GXP ... with mods piling up...
But that hinge bar is what the torsion bar is connected too isn't it? Come to think about it, I think I had it backwards, it looks like the spring might actual reduce the work on the torsion bars when the lid is closed (at the sake of stretching the spring out over time).
I had the same problem, broken torsion spring-bar thingy. A pain in the butt to fix. 3 hours to change it, a couple of hard to see body screws. You need to take both rear tires off & loosen both fender liners. Remove rear bumper cover. It will make the job a lot easier.
DDM super charger Stage 2
GMHP Cat Back
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Oil catch can
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