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.
Car was misfiring, so I replaced the ignition coil unit (old one was showing cracks). I replaced it with a Beru (OEM) unit. Car went from a sputtering mess to running like a top.
This is a great thread! I just had one go out on me and I've only had the car for 6 days. Replaced it with a friend and 20 miles later another just went, ha.
Since reinstalling the stock cam and ECU chip in my motor all has been running very well. Even with the raised 10.7:1 compression, the car has zero issues. For the longest time, I've had my plugs gapped to .032". I'm running an MSD Blaster SS coil and Magnacor 8.5mm wires. I was "told" to run a colder gap because the coil is too much for the stock (.024") plug gap. So on Sunday, I put the gap back to 24thou to see how it ran on my Monday commute. It honestly felt bad. Getting on it in a higher gear at lower rpms, I could feel what felt like the ignition being cut back by the knock sensor. It felt like it was missing briefly till the knock sensor retarded the ignition. There was slight power loss as well. It just felt like it ran poor, overall. So last night I put the gap back to 32thou. The ride today felt like it did before I messed with it. None of that iffy feel, just power with no complaints. So, with an aftermarket coil anyway, I would suggest a wider gap on your plugs. Motor runs way better IMHO.
My car now runs smoother, starts quicker, and revs quicker & I have a cool red coil under my hood.
mine was stubbling like crazy too and it was the coil... i used an msd 8202 and wired it up to my ignition module... problem solved for $45
MSDs are good coils and are meant for racing and not daily abuse. I will guarantee that after time it will crack due to the engine heat, use, etc. May not be for years, but eventually it will.
BERU Ignition coils! ALWAYS USIN' GERMAN AUTO PARTS! Old coils out. Here's the problem - that coil on the right's connector broke off! Piece of crap!
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