any guidance on moving the battery to the boot?

[micky2 not 1]

need it gone from the engine bay.

 

[hades-]

use good wire
and make sure you secure it good

 

[<tuffty/>]

Battery relocation stuff is in the FAQs

<tuffty/>

 

[Scullies]

circuit breaker at the batery and good quality grommets for the firewall or 1 better, a proper bulkhead terminal

and you might want to think about fitting a point to use if you need to jump start.