How easy (or hard) is it to remove the passenger side exhaust manifold on a 70 Cutlass with A/C. Anyone ever removed one? thanks

 

Pretty easy I would soak bolts for a few days before taking off soak the ones where it hooks to exhaust really well they tend to brake

 

mix 50/50 acetone and automatic transmission fluid and apply to the bolts... let them sit for a while then do it again. You will need to flatten the locking tabs on the
u shaped clips that go under the bolts... (If you have a crud build up they are hard to see the locking tabs.)