I'd definately pull one axle and count the splines. It should be 28 spline but you never know.
I have a set of axles from a 59 Ford that have the double indentions in them and they're 28 spline.
hi i have a 351-w 1969 mustang fastback and have a tracktion lock
diff but i want to order a new diff and ther are 2 optins a 28 or 31 spline witch
1 do i have... what can standaard on the 1969..
thanks jay (the neterlands)
Assuming your Mustang's rear end/axles/differential has never been swapped out, it should have 28-splines. If the Mustang had come with a 351C or larger displacement engine, it would have come with 31-spline axles.
Assuming your Mustang's rear end/axles/differential has never been swapped out, it should have 28-splines. If the Mustang had come with a 351C or larger displacement engine, it would have come with 31-spline axles.
Don't base your spline count though on the axle ends, that method isn't 100% accurate.
Where's the spline count on the tag? I've never seen that part. Gear ratio and lock or no lock plus the code for the application, but nothing that indicates spline count.Check the housing, there should be a metal tag attached to one of the bolts. the code on the tag will tell you how many splines, gear ratio. You might get lucky!
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