lockup switches are ok IF i say IF, you use them properly. the problem is, it is not a fix for a weak TC clutch, its a patch to hide it with. in general they are inconvenient and missused.
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Todd,
2001 Q-cab SB 4x4 5spd 3. 55's, A pillar Boost/EGT,Jardines 4" turboback kit, and more to come...