Here's a company that sells quite a lot of engine mount kits, I'm sure they have what you need. The pass cars lack the beefy crossmemeber that trucks use making eng swaps a bit more challenging. Side support is the ticket with your 261.

http://www.chassisengineeringinc.com/1937-1939-chevrolet-car/?sort=featured&page=4

Last edited by JiMerit Boltr#43; 06/11/2014 3:54 PM.

It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy
1953 Chevy 3/4-ton Factory Stakebed