just got my 56 running for the first time in 35 years , had it filled up for weeks with marvel mistory oil and auto trans fluid was stuck tight but turned over by hand and was surprised to find 120 ,115,118,115 compression ye haaa, lots of smoke and mouses nests shot out but sounds pretty good after a few minuets. now going to pull it and do some new seals and clutch, paint a few things, not a bad day of work ,im a happy camper today gary