Just look at a 2nd gand wade 1636 cam, just wondering if theres any benefits using it in a ef xr6. Manual?
Tia

Have a read through some of these threads

ford-4l-and-6-cylinder-f1/wade-1636-t81366.html

ford-4l-and-6-cylinder-f1/wade-1636-pacies-4499-auto-t100039.html

If you have a stock manual, I'd say go for a 1673/977b cam for more torque/power. Add an adjustable cam gear and you can dial the cam in to manufacturers cam spec.

I have only compared XR with 1673, and there is a big difference in mid to top end power/torque, low wasn't that noticeable.