^ yes indeed. However, a straight six will balance perfect due to its design. That is one of the reasons BMW loves using straight 6's.

I haven't tried this on my eco yet. We have a couple of S10s at work and those engines can mix paint.

 

LOL... good one.

 

But how come it will get more noticeable when in 4 wheel drive mode? It should have the same virbration as in two wheel mode. That's why I'm confused

 

Well, my guess would be that in 4WD, you are turning a lot more gears and axles that are closer to the front of the truck, and thereby closer to the steering wheel, etc......
That said....my EB is silky smooth at anything off of idle (and most of the time at idle too).....so, if you do have a coil pack going bad, it MIGHT be causing a misfire which might be getting worse under the slightly additional load of 4WD....get it checked.....

 

Yes, but stick a BIG turbo on it, call it the Grand National or GNX, and it would outrun any 'Vette from the same years. Those things were even more monstrous with only a few mods.
To this day, they are still great looking cars....would love to have one!