You should check if the yard has an acsessory bracket from any of the later engines and try a mockup. The water hose routing can be changed as I am doing on my 3.8 conversion to use a crossflow radiator.

But yes with a blower drive it will be busy up front there.

Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.