[240racer]

Bill you are just making a fool of yourself to all the other engineers that are on this forum. Do you know what a shock does? First of all they do not absorb shock, they transmit it very well. It's just a dumb name that has become really common, but also leads to a lot of misconceptions of how they work. Now, when you talk about this 2600lb load rating, I am sure that it means the maximum load that can be placed on the shock or it may break. It has nothing to do with it's damping (yes this is the correct spelling)rate. Also, every shock made to acompany a spring (which is pretty much every one) has much stiffer rebound damping then compression damping. One person that posted was correct in saying that a dampers force changes with velocity, this is how they calm (or damp) vibrations. Now I just want to know how did you "hand pick" the shock for this application and what calculations did you do? Did you determine the natural frequency of the engine at idle and then use the spring rate of the rubber mounts to determine an appropriate critical damping coeffecient. Then how in the world did you find a shock with these specs without the proper tools? you admited you didn't have an accelerameter. However what you need is simply a shaft velocity meter (also called a shock position sensor attached to software that can determine velocity) and a load cell on the end of the shock.

This stupid idea blows me away and further convinces me that you have no idea what you are talking about and I can't trust any of your ideas in the future.