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Message: [QUOTE="me2, post: 321830, member: 3825"] Before anyone asks, the stock Cummins SAE2 bellhousing adapter will not work, at least not without some modifications and adjustments. First off, it won't accomodate the alignment dowels on the 6R140. And it also won't match the bolt outside the pattern where the starter mounts. And then there is the depth issue. The Cummins SAE #2 bellhousing adapter is about 4 inches thick. The 6R140 setup requires that the flex plate stick out 1 5/16" past the adapter plate. This means the Cummins SAE #2 flexplate (because only it will work with the starter placement in the SAE #2 bellhousing) would need about a 4" spacer between it and the crankshaft. Another thing about the Cummins SAE2 bellhousing is that it has ears on it for the engine mounts on some applications. I suspect the location of the ear on the passenger side is exactly where the downpipe from my primary (upper) turbo is going to go. The ears don't protrude very far, but they are in that area and I suspect its going to be pretty tight right in that area the way it is. The other issue with a thick adapter like that is that it increases the length of the engine/transmission assembly from fan to output flange. The Cummins 6.7 is already a bit longer than the Ford 6.4. Anything I can do to keep that assembly as close to stock length as possible makes the fitment of the transmission rear mount and the driveshaft mods easier later on. One of the reasons I built my own adapter plate for my 5.9 CR swap was that the way I designed things it only had to be 5/16" thick. That allowed me to run the stock Cummins fan assembly, which provides excellent cooling and keep the ZF6 in nearly its stock location. This meant I didn't have trouble with the gear shift placement in the stock shifter hole in the cab floor and I was able to use the stock cross member location with a slight reaming of the holes. I did, however, have to shorten the driveshaft, which aside from the hassle is not a big deal. When I add up all these issues and add in the cost of buying the SAE#2 bellhousing and the Cummins SAE2 flexplate and then machining that adapter and machining the flexplate itself, its not worth it. I'll talk about the transfer case after I do some testing. I can't wait to get back home and actually work on something. I've spent the last several months reading and figuring this stuff out. I'm tired of doing that. I'm dying to build stuff. [/QUOTE]