www.stangstore.com
4.10 gears - 137.95
Aluminum DS - 139.95
Friction Mod- 3.65
Ring & pinion install kit - 39.95
shipping - 15.30
Total - 196.85 + tax
That's where I'm getting my 4.10 from next week
I will have a shop install the gear and DS for $200.
I'm still wondering how much worst does the engine have to put up with between 4.10 and 3.73