External oil cooler components Options

[lmcchesney]

I have reviewed the PP tech article and looked up the components. A few questions still need answers. Since you are placing a remote spin on oil filter, can you not use a larger capacity filter? Is there an advantage to the use of two filters, either in series or parallel? What is the optimal temperature for the oil thermostat to open flow to the oil cooler, 170° or 180°? MG makes a thermostat which flows at 170° at a lower price.
Images of the remote filter mount shows four fittings. However, for a flow through system, only two would be required. Are the other fittings for selection for linear left to right oil flow or the alternative of left to left flow? Since the fan is wired to produce air flow in a pull fashion (air flow through the cooler and then into the fan), do you not need to place spacers between mounting surface (rear trunk floor) and cooler? If so, what is the appropriate amount of space? The electrical thermostat is mounted via a T prior to the filter. Can this thermostat also provide an oil temp reading?
The use of NPT, JIC fittings are very neat. However, is there a problem with also using solid brass pip sittings where capable? Since the exposure of these lines are relatively protected, what is the down side of using non steel braided but re-enforced rubber lines? What is the down side of the use of barbed fittings with hose calmps? Can the entire system use 1/2" lines/connectors?
Thanks,
L. McChesney