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How fast does a V-8 starter spin? Not how fast does it turn the engine over, but the actual starter RPM. I've looked high and low and it seems to be a secret
I pulled the plugs on the 460 and using a digital tach, find that it turns over at 289 RPM. I then measured a 460 flexplate and it's 15.5 inches across. I don't happen to have a starter laying around but I am guessing from gear bottom to gear bottom is about 1 inch across. This puts the starter RPM's at almost 4500, ouch, no wonder they cook if cranked for very long.
Just in case you think I'm cracked for wanting to know, I am
I am designing a hydraulic dump trailer, I am just getting too lazy to unload one with a shovel. I already have a little Eaton hydraulic gear pump and am trying to determine what I can power it with.