How about the dreaded 'cowl shake' ? Had a convert once..all new front end,bushings,shocks,tires,balanced..still there. Added frame connectors..gone.40+year old unibodies.
searchin' for a candidate for an LS swap. mount kits abound on the interweb to fab something up. appears to be ok to wedge a Cummins between the rails, though. my car-my $-my way.
installed a set from safety-cap on a bbody. a window was cut/ milled out to run cable through the sq. tubing. was 2x2 or 2x3. can't remember.nice touch/products.
nope... look at the starter locations between the two. I looked into this awhile back. bell from a/ with the od. trans I think ? buddy had a / with a 3spd. and a 833 laying around