If the vans matching keep the block and build a v8 and sale time add the orig eng and it's a sweet deal buyer gets a v8 sandy plus it's original eng and the ute build it how ya want if ya doth have all original gear who cares it's yours ,will still get good money for it , unless ya like me and hoard bits and don't sell nothin cause as soon As you sell it ya lookin for it. Lol!