What SWAY BAR to choose

Stock 69 barracuda has upgraded disk brakes when i purchased car. Brakes look to be 73-76 due to lower control arm sway bar bracket. Choices are Hellwig front sway bar 5906 stock looking sway bar, with that i have another set of lowers with stock mount sway bar tabs i will put on to accommodate. Or the larger sway bar Hellwig 55917 larger and hollow sway bar. Also I will rotate the calibers towards the rear as some people have done for clearance issues. Thanks jesse

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One thing no one seems to have mentioned here is the actual design characteristics of a sway bar. Better called an anti-roll bar, its main purpose is to decrease the understeer inherently designed into all of these cars. The bigger the bar the more you get towards oversteer. Adding a rear bar tends to offset that. What's absolutely crucial in picking out a sway bar, especially if you add a rear bar, is that the rear bar cannot be any more than the same size as the rear bar and preferably 1/4" smaller at the very least. Improving the effectiveness of the bar is also helped if its mounted in polyurethane bushings and not rubber.