Hello all, got here by Google search on using the 411 to eliminate the OptiSpark from my 1996 L99/Lt1 Caprice. Since GM no longer makes or sells the Opti and the replacement options are either...
Type: Posts; User: dbc105
Hello all, got here by Google search on using the 411 to eliminate the OptiSpark from my 1996 L99/Lt1 Caprice. Since GM no longer makes or sells the Opti and the replacement options are either...