I would love this diff but FR says it won't fit IRS. Is it because of a C clip issue or because IRS won't hold enough oil to cool it. FR claims it needs 3qts of oil and IRS barely holds 2qt.
Also, I wouldn't hessitate running this in an IRS. But, do yourself a favor, and run a Truetrac. It's a lot cheaper, does the same thing, and will absolutely work in an IRS.
HAHA, Thanks for pointing that out. I used the Search and didn't notice the date. Also no updated 1st post.
TrueTrac - ya TrueTrac is the way to go for sure.