The Torpedo has both line and guitar level options.

It worked ok in the loop for me - I just prefer to have it after the output as I use a M9 in the loop and sometimes put the FX Loop before the amp model.
_________________________
Guitars:
Strat PartsCasters (x2), 81 Ibanez Artist, 2012 Gibson Les Paul Studio, Epiphone ES-339 P-90 Pro
Effects:
Atomic AmpliFIRE, Avid 11R, Franklin ProDrive, Franklin F-Plex Delay, Line 6 M9