tiger
+1y
A 289 is a 302.
The 4.6 wouldn't fit with the stock front suspension, you'd have to run a Mustang II suspension or similar.
Not too many V8 engines actually fit outside the 302, that's why it's so popular. You could make the 5.4 from the F150 work in you don't mind using F150 front suspension, moving the firewall back, and making a new tranny/driveline tunnel.
The 3.9 from the T-bird/LS might work, but I'm not sure about the width.