Posted by NCWayne on August 24, 2014 at 16:47:39 from (173.188.169.54):
I know I can probably Google it and visit a dozen sites to get an answer to this, but I'm hoping that someone here has a good site to try, or an actual answer to my question.
Here goes. I've got to replace the head gaskets on an old D9G. Four of the fasteners have obstructions over the top that prevents getting a torque wrench directly on them. The problem is to get rid of the obstructions would take a good bit more time, and disassembly of the engine than I really want to get into, not to mention the added cost to the customer.
To that end I made an offset tool with a socket on one end for the fastener, and then a square drive hole on the other for the torque wrench.
So what I need to know now is this. How do I determine the torque reading I need to set the torque wrench at when I've got an additional 1 3/4 inch long 'lever' off of the center line of the torque wrench drive? I know it will have to be a percentage lower than the spec in the book, but how do I calculate that percentage?
Any links to the info, or the info itself would be greatly appreciated.
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