howdo folks finally got my arse in gear and got engine out of my 3dr for its rebuild and engine bay freshen up

i have posted before in relation to this asking about t34 or gt30`s,with the current economic climate i have decided to go with the t34 option (as i already have it) but get the block rebuilt with a view to fitting a bigger turbo in the future

with this in mind what i would like to know is what would be advisable to get fitted at this stage to the internals and block, ie oil pump (have heard 4x4 pumps are a good upgrade???),new water pump?,what make of gaskets

my current spec is stage 3,mongoose,rs500 `cooler,etc,i have a 044 pump to fit and rewire


also to be fitted is a 4x4 plenumn and fuel rail


cheeRS folks for your time