Originally Posted by
Ombibulous
Changed my plug wires yesterday, found one of the sockets on the coil pack full of white powder corrosion. Cleaned it up and seems to be fine, although it wasn't causing an issue before. I thought I'd swap out the pack since the car has 91k miles. Went shopping online and saw that coil packs run from $25 up to $80 or so for AC/Delco OEM.
Is there any difference in quality between the price points, or do they all come from the same factory (in China?) and the extra money is all marketing? I'll pay up for quality if necessary.