I have a 351M or a 400m that will work,you will just need to change the motor mount perch's.I have the bellhousing,Brandnew clutch pak,and flywheel.It's in upstate NY.$400. for mill,and bellhousing,and part's.I also have the perch's for the 351M/400M.The 360/390,and the straight 6 use taller perch's,and won't work.Please let me know couse im doing a winter clean up so I have some where to pile snow,and I can get my land lord off my back(LOL)..