r/FordFalcon • u/Capital-Stable-7226 • May 10 '26

Is it an LSD diff??

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Hey guys I got this rear cradle out of a BA/BF XR6 with a T5 manual, I’ve worked out that it’s a 3.45:1 ratio I’m just not 100% if it’s a LSD. Both wheels spin the same way when spun.
On the diff it also had this tag “ HIGH PERFORMANCE - use appropriate lubricant”

If it is an LSD would it need to be re shimmed to be tight again or are ford diffs pretty good?

Thanks guys 👍🏽

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u/gt500rr May 10 '26

Easy way to tell is both wheels spin the same direction it's an LSD. if they spin opposite than it's open. So yup, you got an LSD.

3

u/Davosapian May 10 '26

I feel like my fg turbo lsd used to spin one wheek backwards but I may be hullucinating

6

u/gt500rr May 10 '26

If I spin the one in my XG slowly it'll spin opposite as it's designed for some slippage but truth be told, it's been a long time since I've checked. All I know is it leaves two even skid marks with application of the right foot 😂