I'll throw some input into this...
Fred, for a pricing comparison, my Capella cost me $100 and a packet of John Brandon Special 30s... and it's a lowcomp.
I'd say go the whole car route, even if you only use a little you might just find bits you could reuse on the ute. Seats, dash, whatever. The rest, well hey, if it's FE-DOHC that means its likely a GT, and there's surely some NZ/JDM spec bits on there that the other guys here might want
