#11515, "RE: 6 bolt engine questions...." In response to In response to 6
IMO a 90 costs more in the long run because it has a different CAS connector and a couple other parts that are more expensive than their 91-92 counterparts.
AFAIK, all 90-92.5's have the same beefy rods.
Grab the oil adapter and external oil cooler from a 90 if you can, it's a nice unit.