1988 b2600 engine swap?

[crappy2.6]

i hav a 1988 mazda b2600 with the POS 2.6 mitsubishi engine  just rebuilt it with less than 10,000 mile and already having problems. i want to take it out and keep the 5 speed tranny (toyo kogo) want to bolt up a 4.3 vortec. has anyone done this? is it posible? thanks for any help 

[bigarms23]

I'm sure the 4.3 will fit you'll have to change the bellhousing to bolt up to the 4.3 but i am sure its not that diffcult to do