1980 242 with 1993 B-230 block under original 1980 K-jet head. Runs quite well with good power. I put 180 miles on it this week and returned about 22mpg.
It is an M46 with 3.91 gears and pretty much lives at 3k on the drive to and from labor.
Unfortunately, the engine vibration is a bit excessive. Much worse than any other 240 that I have owned or worked on.
I would have had to use a B21/B23 flywheel at the time, since the B230 donor car was auto. So, before I dig too deep, was the B21 flywheel OK on the late B230?
Yes, I am using the B230 harmonic damper.
I know it could be a number of other things, but I was really curious about the choice of flywheel before I start looking any further.
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