Hi guys thanks for you imput .
i got motor from pick a part about 18 months ago $220 .The acl bearings were dated 2004 so it had been rebuilt in 2004 it had the pistons in it. i just put new ring in it & the big welsh plug at the back was leaking a lot ide say it was not replaced all the other plugs look new ring from S W motorsport about $80 plug $4 honing tool $35 . cam grind & lifter reface $110 timing chain from rockauto USA $35 cam sprocket ebay $200 gasket kit ebay USA $30 .the head i had already a15 i had rebuilt by cavehill engines in lilydale vic it wos his suggestion to go with the bigger valves $800 porting kit $100 & about 4000 hours of my time porting is expensive but its worth getting done by a pro = $1614

its going in my kb10 down the trak

for turbo i think a14 h72 head is low comp but i am no expert (x is an unknone quantity spert a drip under pressurer )