I know a few years ago you could still buy new blocks from Toyota, maybe still can. There's someone on Trademe selling a rebuilt shortblock, link here
http://www.trademe.co.nz/Trade-Me-Motor ... 737789.htm
Or if you can't access trademe:
Block fully rebuilt, had cylinder hone, new frost plugs, has factory high compression coated pistons, new rings and bearings all tolerances checked with micrometers plastgauge etc. All new seals. arp con rod bolts.
Block is stronger 7 rib, with side oil drain.
Con rods lighter silver top ones, rods and pistons weights checked.
Sump, pick up etc included.
This is un-used, sample pic as engine is shrink wrapped for storage.
Reserve is around $500, once it has reached that buy now is automatically removed and will be sold to highest bidder.
Guy is in Palmerston North
1983 Trueno Ae86 ( project), 92 HSV Clubbie. 2000 Fielder wagon
Many previously owned projects: 94 Hilux 4WD, 92 VP SS commodore, AE85 notchback, Ae85 rolling shell, Ke35 sr coupe, EP82 turb starlet