110 votes
So I replaced the coils with MSD packs, and tossed in fresh plugs, even though the old ones were less than 10k miles in. This seemed to fix the issue for a while, but it ended up coming back.
I have used the blaster w a stock icm (the inductive version) and also with a 6al (cdi version). Both worked well over for 400whp with a stock dizzy.
I have an MSD blaster 2 coil on my 93 fox and it works great. I went with this coil for convenience (bought at a FLAPS when my stock coil died) rather than performance, so unsure if there are any gains to be had (doubtful).
I ran a Blaster 2 on my old car for a bit. Idle was a little smoother, but it was probably because the coil on it was crap. No real performance gains expected.
after you check the dwell and all wiring looks good, it may help to switch to a different coil like the MSD Blaster 3.
I've had similar spark plugs fouling up issue with the G60 turbo swap in my caddy. After checking all the stuff you mentioned, I upgraded to an MSD Blaster 2 coil and NGK plugs with a wider gap (0.030). So far so good, running on all four cylinders now.
I had a intermittant misfire that wouldn't go away.. changed out coilpacks, plugs, wires, nothing made a bit of difference. Installed the MSD coilpacks, and the MSD wires and viola, misfire was gone. Regardless, the cost of a stock coilpack + wires far exceedes the cost of the MSD setup.
I found the MSD setup to be a very nice upgrade. Might have just been a mental thing, but I felt that it gave the motor a little more pep and it revved a bit faster.
I went with MSD. I can say that the car definitely runs a bit smoother, but I did it for a different reason. I figured in the long run it will be cheaper. If one of the coilpacks goes bad I 'll only be spending $42 instead of having to buy an entire coilpack. Even if all three went bad all at once it would still be less expensive than the cost of a new "oem" coilpack.
I ended up with this MSD when I bought Tim's motor and the MSD finally crapped out after about a year of me driving with it. In running a coilpack, I notice no tangible difference between the two. Yes, the MSD looks really, really cool...but if you ain't worried about looking pretty, spend your money elsewhere.
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