Putting 550 ft/lbs on a 24” ratchet is possible but takes some serious effort without a cheater.
Not so hard with a 2 foot lever when you weigh over 300lbs. Even if you don't it's not so hard when working on suspension bolts you can't get an impact on when you have a frame to lean against.
That's where I think I use mine the most, even when I can get my big battery powered impact on, wedged up against the frame to keep a bolt from spinning where the impact does all the hard work.
I have 2 and they get used from time to time, but not as often as the did 20 years ago, with cordless impacts with nearly as much power as my big IR I almost never use air (except for the die grinder) and even for lug nuts I use the cordless impact, even in the truck for roadside use.
Its odd, for a tool that sees seldom use I occasionally wish I had one of those 9" SO 1/4 bars as I have done some damage to my 1/4 flex ratchet putting a pipe on it. If 1/4 is all that fits and you need the flex I would rather put a pipe on a bar than a ratchet but I wouldn't hesitate to get the job done either way...