1968 Volvo project Pure Volvocity

[CarlC]

I've had the same fun car for 36 years. Ignorance is bliss when it comes to car expenses.

Thanks for the photo. It was hard to see in your latest photos. Yes, double shear so that the fastener is in shear in two places (like the lower mount) and reduces the bending moment/twisting created (like the upper mount.)



The moment load from the upper shock mount gets transferred to the top of the arch, so that connection has to support both the vertical loading and bending moment from the coilover. Depending on tube thickness, arch thickness, weld size + quality, etc. a brace to support from the arch to the tube may be a good structural addition. In addition, a "|_|" type bracket around the top of the shock to put the bolt in double shear and eliminate the fastener bending moment will significantly strengthen the connection and reduce the chances of bending the bolt.

Kinda like the first photo http://www.fourwheeler.com/how-to/07.../photo-11.html