To be clear "both" Stock Delco Starters typed which can be binned as regular TQ (326-350-400) and Hi-TQ (400-428-455) whereas there are varieties of both when ya open em up.
Then there "both" Stock Solenoid types which csn be binned as regular Thrust and High-Temp, yet ya can go figure the return Spring and the Current draw has a spread of detailed application values. Heck some have the other terminal (s? ) switch post used.
Motors repair manuals show detailed specs on these starters for each engine type and HP. The 1971 manuel would cover 1965-1971, so many starter part numbers are listed.
All these starters and solenoids are rendered "low TQ" by numbbolts that paint the black case ends, and the nose, flat cap, and block mount surface. Heck even the solenoid mount flange. All thes surfaces need be paint-free to enjoy the original design performance. Especially on a hot day.
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