The oil pan "sandwich" mounts  for the rotary take 3/8" bolts.. Chris and I had it temporarily mounted using hardware store parts, but we elected to use AN bolts to fit it up for the final/working attachment. 3/8 translates to AN6... and we are looking at about AN6-37 for the bottom and AN6-34 for the top mounting holes (this takes into account the plywood aft bulkhead and stainless overlay/firewall, with some fender washers to distribute the force.
I don't have the CCI paperwork handy.. is there a recommended fastener and torque value for use with those mounts?
What is an appropriate torque value with AN6 bolts/nuts? I have one reference on hand and want to compare notes. I have the "aviation mechanic handbook" 4th ed by Dale Crane that lists two different torque values: one is "nuts tension torque limits" and is 160-190 INCH pounds, but it also lists a "nut shear torque limit" as well of 95-110 INCH pounds.
Rather than make a guess here, would someone with the knowledge spell out for me the difference between those two categories?
Dave Staten

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