Got'em.

I let them soak in L-wrench first. Came back later and whacked on the breaker bar with a hammer a few times. That did the trick.

I will keep my eyes peeled for this Kroil potion you speak of, Schumi.

Thanks board.

__________________
'90 300SE 298k
-300K and it gets put into retirement.
'80 300D 255k Purchased new by family in 1980.

Had a:
1973 220 (gas)
1980 300SD
1992 400E