The front plate of a 22RE is one thing, piece of cardboard and place the bolts as taken off, anything else goes into a bucket and there is a problem if you have bolts left over ;)
What I got out of my reading is the Ru alloy is harder (longer lasting?) than platinum but also a cheaper metal for the manufacturer. I tried them on my 5.7L vortec and the idle wasn't as smooth as the IX. I do have a set for the Honda to try out when the time comes.
That depends if this part is a known problem- if not usually an issue I would try used oem. Depends on the labour. I've had three diffs changed out and all were 1k-2k, so not a cheap problem in the scheme of things.
I just found a NOS 5 litre jug of Pentosin MTF2 on fleabay- expensive but the Honda likes it. I think he has another jug- Quebec Canada. Should last two changes.
I don't recall having issues with Fel-Pro, but 1/ haven't had to do a sealing job for some time, 2/ I don't know why but if there was another name brand within reaching distance that one went on.
I didn't read this thread thru- when I purchased my 2015 Honda 2.4L, DI it didn't matter at all although now I would probably favor regular injection, I run a catch can which catches all kinds of nasties and hopefully kicks any intake trouble down the road. I also steered clear of the CVT and...