Harmonic balancer fail? (2 Viewers)

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Started working to replace mine today. Rounded out the 1/2” square hole on the balancer holder tool on the first try, then broke a 1/2” breaker bar on the 30mm socket on the second try….trying again tomorrow with double 3/4” breaker bars.
I have a have a new OEM balancer ready to go on if I can ever get the old one off. My old one is starting to wobble though not enough to throw a belt yet.
On my 60 I used 6’ steel pipe on a 1/2 breaker bar and a chain wrench around the HB leveraged against the chassis
 
I'm curious how you goes go about torquing the bolt to spec at home on the reinstall? I ended up paying for this one to be done - I didn't have the gear to do the removal or reinstall with the kind of torque required. If I was doing it again today I might try it myself, but it'd still cost me $500AUD for a torque multiplier that could meet the spec, which was more than I paid for it to be done.
 
I'm curious how you goes go about torquing the bolt to spec at home on the reinstall? I ended up paying for this one to be done - I didn't have the gear to do the removal or reinstall with the kind of torque required. If I was doing it again today I might try it myself, but it'd still cost me $500AUD for a torque multiplier that could meet the spec, which was more than I paid for it to be done.
When I did this, I just "rented" one from an auto parts store. Each time I asked if they had a torque wrench that large, they always said no. I happened to be buying something else and was waiting at the counter where they had a list of rentable tools and saw they had a torque wrench that was indeed large enough and with the correct torque settings. I asked about it and the employees said they never knew they had it so they looked it up and had another branch send it over. It looked to be brand new and worked great.

I don't know if you have autoparts stores that lend out tools in Australia, but it is pretty common here. You basically pay for it and then return it within a given time frame for a refund.
 
I don't think we have the equivalent of that here in Australia, or if we do it's probably more industry focused than individual DIY based. We have stuff like Kennards Hire, but they're more construction focused, and don't stock specialised tools like this, at least not in the automotive area. Google didn't turn up much either. @mudgudgeon, with your background in construction you'd be far more familiar than me in the equipment rental space. Do you know of anything like this down under?
 
I'll add too, most specialised tools these days can be found for cheap, while everyday tools are worth investing in quality once rather than renting every weekend, so I've never felt the need. A torque multiplier though, I've looked, and I just can't find the right kind of one for cheap - there doesn't seem to be a Chinese knock off I can buy, and there doesn't seem to be a secondhand market. Crazy for something that's just a few gears in a case. I got a 5t block and tackle built like a tank and older than me for $40, but I can't find a torque multiplier for less than $500.
 
I'm curious how you goes go about torquing the bolt to spec at home on the reinstall? I ended up paying for this one to be done - I didn't have the gear to do the removal or reinstall with the kind of torque required. If I was doing it again today I might try it myself, but it'd still cost me $500AUD for a torque multiplier that could meet the spec, which was more than I paid for it to be done.
I used a harmonic balancer holder tool with a 3/4" breaker bar wedged in between the steering stabilizer and the steering stabilizer mount from the front crossmember to keep the crank from spinning and then a 3/4" torque wrench from Harbor Freight. The max setting on the torque wrench is 300 ft/lb so I just got it to where it clicked and then gave it a little extra, haha.
 
I did the same but rented one from autozone that went to 450 or 600 lbft. I was about to go the HF route until I saw they had one for rent at autozone. @DivByZero, it's too bad they don't have stores that do that for you in your area, but I'm sure you can pick up a torque wrench at HF or online that will do the job. It might be a tight fit to use a torque multiplier unless the radiator is out.
 

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