02-23-2014, 04:06 PM
Immediately before the monograde warning in my manual, it states use any 15-40 as long as it meets the CF-4 classification. Since mine is a 96, it's probably identical to Bob's.
The earlier Detroits, 8V-92's and the like, do get the monograde recommendation, though.
The earlier Detroits, 8V-92's and the like, do get the monograde recommendation, though.
06 M450LXi 3 slide