Ok so I got my car back this past thursday from inspection. Drove it around running great, btw this is a 91 z28 305 tpi. so I make a turn friday and sit at a red light when i notice my rpms going down and back up... the car rides rough sometimes and it seems like its misfiring a little. I poped the hood looked at my spark plug wires and 2 of the 8 have electrical tape over them, like something has happened to them.. which I did not do... so anyway long story short I'm pretty sure those spark plug wires are my problem cuz I just did my plugs 2 months ago.. so I bought msd 8.5mm super wires.. any input at all please if this seems normal and how the msd wires are? thank you.
Corey