Here's a Montero block - note how smooth it is near the skirt flange just above where the oil pan is attached:
[Linked Image]

Here's a SOHC Diamante block - this picture shows what's left of the 2 pins that interfere with the Montero A/C bracket after I ground them - just grind them flush. It also shows the reinforcement just above the pins - see the raised horizontal ridge line? That's for extra stiffness:
[Linked Image]

Frank

'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum