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Old 01-07-2018, 12:56 PM   #7
John V
No more BMWs
 
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Join Date: Apr 2005
Carmudgeonly Ride: Ram, MS3, CX-5, RX-8
Location: Glenwood, MD
Posts: 14,753
Someone has already figured this out, because LS V8 swaps into RX-8s and RX-7s are becoming more common. The Ford 8.8 IRS is an aluminum-cased differential that has 10+ ratios available from 3.07 up to 4.11:1, and they're cheap and plentiful as they were installed in thousands of Explorers between 2007 and 2010. They also have a ton of different off the shelf options for LSD units, and if I happen to grenade one somewhere in the middle of nowhere (doubtful, but I've broken a lot of stuff I shouldn't have been able to over the years) it won't be hard to find one. I picked one up for $75 from a salvage yard and they even loaded it into my truck for me



68lbs. Not a huge difference, but for a much stronger differential it's a nice side benefit. I fully expected it to be heavier than the RX-8 unit.

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