Thanks to Paul Nimz
From the Helms manual the starter specs
Starter Motor Current Draw under Manual Load and Temperature - 130-220 Amps
Starter Motor Normal Engine Cranking Speed - 140-220 RPM
Starter Motor Minimum Stall Torque @ 5 Volts - 14.7 N-m (11.0 Lb-Ft)
Maximum Load - 800 Amps
No Load - 60-80 Amps
Maximum Starting Circuit Voltage Drop (Battery Positive Terminal to Starter Terminal) at Normal Range - 0.5 Volt
Paul Nimz
'97 TR