The Appions are loud because they have a geared fan that runs faster than the motor, for added cooling to the two internal heat exchangers.
A CPS TR-21 is quieter, but doesn't have internal heat exchangers or geared fan.
Rotary vane vacuum pumps put out oil vapor and make a general mess around the pump. You can remove the breather and install a hose adapter, to vent the smoke elsewhere if necessary.
Glad to see you getting good results, regardless of whose system you are using. Competition is always good to drive new technology. That is what the Daytona brickyard is about.
I obviously think the Terpenator is a better design, or I would have built the simpler flow through design, but that doesn't mean that I don't think the BHOgart is slick, or or doesn't accomplish the purpose.
It takes only a couple minutes to modify a Mk IIIA to flow through, by simply moving the injection tee to the top of the column, instead of the bottom. We've done so, and it works well enough that you have to do your math carefully to note the differences.
What we could do in this thread, is share the techniques that we develop using the different systems, as opposed to trying to decide whether the Chevy or the Ford is the better unit.
As far as leaky valves go, the ball valves are off the shelf items for both systems, but by their very nature and design eventually leak around the valve stems. That is why any recycling system has to be regularly leak checked.
I've found defective valves both on the initial leak check, as well as maintenance leak checks, so it is important to include regular inspection and maintenance in a recycling system.
Specialized Formulation sells only Mk IIIA kits, so does no leak checks, unless it was a custom assembly. So far no one has found any defective welds, but some have reported leaks around valve stems.
You can replace those valves with Carten encapsulated stem type valves, but will pay 10X or so for the five valves on a system.
Ohmmmmmmmmmmmmmmmmmmmmmmm!!!!!!!!!!!!!1
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