The suspension design for the '70-'71 Torino is basically the same as that used on the Mustang and Cougar of the same years, so (in theory) most everything should swap out. The big difference will be in the compressed and extended lengths for the front springs/shocks, because each model has different ride heights.
has a page in their catalog that lists interchangeable parts between models (can't remember what pg, but it's viewable online). They can also have their "Grab-A-Trak" springs made to fit models other than Mustangs; you'll just need to have the specs for your model's springs, as I got some custom 5-Leafs for my Falcon from them. You can also try:
Their coil-over front systems look pretty sweet. If I had the $$$, it's what I'd want to put in my old rust-bucket. AFAIK
, they don't make a Torino/Fairlane specific g-Bar system for the rear. But in theory, if they had Torino chassis/axle/spring specs, then maybe they could make the cradle & upper/lower links in the proper lengths to suit the slightly larger unibody for Fairlane/Torinos?
They also have '63-'71 Fairlane-specific front end bits, like coilover kits, etc.
VariShock also makes parts that will suit, from bolt-in replacements to coil-over conversions and such. They have applications charts with the various specs for shocks between Ford models.
These guys are the ONLY other company that I've been able to find online that offers shock tower braces for Fairlanes/Torinos other than RRS (about 1/2 way down page). While the RRS version looks pretty slick, this one is a MUCH more economical alternative. I've emailed them; they were very helpful and they have a very can-do attitude about being able to make a brace to suit later '68-'71 Torino chassis.