has anyone bought a torq multiplier?
 

If so, what did you buy and has it been useful? For what?

I bought one to get more torque from my torque wrench, but it was unwieldy and I only used it once.

Got a pic? What does it look like?

I use to work for the state of Calif on the State Hwy`s. We got this large John Deere tractor
with an arm off the side like a back Hoe arm. Had a Large Rotary Mower head
with two thick blades. We had to torque them down to something like 900ft lbs
every xx hours of use. Might have been higher, too many
yrs ago.

The Multiplier was a huge thing and heavy as I remember.

Too large for MB uses.


Charlie


sent from my pos computer

The one we used looked something like this one, but much larger.


http://www.protorquetools.com/DSN/ww...%202%20700.jpg


Charlie


sent from my pos computer

There's a torque multiplier that I keep telling myself I will get into, but I just never get around to it. It is free, though. It looks like this:

http://ohiofitclub.com/wp-content/up...ushup-good.jpg

In all seriousness, though, I wonder if you'd be better served by air tools. Those things can deliver some serious kick at relatively low cost and durability.

Yeah, the stator in the torque convertor of my sister's Scion does a good job of multiplying torque.

I have an old fashioned torque multiplier. It is a six foot length of 2" stainless pipe which just fits over the 3 foot arm of my 1 inch drive breaker bar. Nothing has survived it yet. But the energy release of some recalcitrant things is astounding. I was busting the bolts free on some some old truck spring packs when a bud happened to visit ... I let him have a go at it and when the U bold snapped he almost soiled his pants - very loud :D

I used a 3/8" mac 6" model to increase the arm of leverage for the torque wrench I used. I measured out, and calculated the increase in actual torque, and realized I'd need a full foot to alter it enough to use on suspension hardware, so I ended up just buying a larger range TW...

Good gosh... That combo will certainly loosen nearly any automotive fasteners... Maybe not the block heater plug... But pretty much anything else...:D

Since the question is specific about bought, I bought something like this at Harbor Freight -

http://hfreviews.com/thumbnails/93645.gif

It sits in the 8-lug Suburban waiting for the day the lug wrench doesn't cut it.

There are similar tools available for aircooled VW flywheel gland nuts and axle stub nuts.

Sixto
83 300SD

I bought one to pull off tires on my motorhome at >= 350 foot pounds of torque. It is a X-4 LW-750. Although a major PITA, I believe I could change a tire if I find myself in need in the middle of nowhere. I was able to crack one of the lug nuts with it. Aside from that, I've not used it for a job yet.

Dkr.

I got one but I haven't used it for ages - I don't trust it - I tend to go for the longer lever approach in life!

It might come in handy for doing the rear wheel bearings. I used the longer bar approach for mine.

I don't see much use for one of these in a shop, the only use case I can think of would be side-of-the-road repairs and PNP runs. If your wheel bolts are on so tight that you have to use that much torque you'll be lucky if they aren't stripped and stretched anyways. A good air impact will hit over 300 ft lbs of fully rotational torque (as opposed to a breaker bar which is somewhat directional away from the nut.


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