[442w30]

http://www.428cobrajet.org/cj-vs-scj.html

That's for the 428 SCJ above.

For the 429 SCJ, the 1971 Mustang shows mechanical lifters:

http://www.oldcarbrochures.com/static/NA...Mustang-16.html

I suspect the '70 Torino would be the same way, but ya never know.