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420a MSD coil pack

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Frank_The_Tank

Probationary Member
17
0
Aug 9, 2009
Cincinnati, Ohio
I'm looking into replacing my coil pack. But I know nothing about it. I don't know how to tell if it's a round/flat pin, how many coils there are or anything. The coil pack I'm looking at is the MSD HVC-2-coil 7 series (pn 8261). In that picture I only see one wire terminal thing, which confuses me. I've got 4 wires (obviously) but am wondering how this coil pack works. Do I need to buy 4 of them and figure out how to mount them all? And is this actually going to help me out at all performance wise? I've seen a few people saying that it's not really going to matter cause stock coil packs will handle anything you put on, but will this truly be better than a stock pack or is it just something to make my engine prettier?
 
The stock coil is junk, you only need one, and you should have a flat pin connection. It will help quite a bit, a new coil and a better set of plug wires will smooth the idle and increase throttle response. If your going to upgrade the ignition system get a set of NGK 7090 plugs, they work great on 420as.
 
yeah i've already done plugs and wires i did ngk iridium plugs and msd super conductor wires and i noticed a big difference, it kind of surprised me. but that's good to know, thanks!
 
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