Actually, you can hook up a Ford pattern T5 to a Small Block Chevy pattern by using either a late seventies, early eighties Jeep 151 bellhousing (left) or a 83-86 4.3L Astro Van\Safari bellhousing (right). The Jeep bell can be had for around $50.

[img]http://www.jeeps-offroad.com/attachments/tech-articles/6499-engine-swap-bellhousings-jeep_chev21.jpg?d=1135359363[/img]

Greg