Originally Posted by rrgrassi

Have you also cracked the fuel delivery lines one at at time to each injector while the engine is idling and note it's characteristics? You should notice a harsher idle. If you crack one and no change, then it's time to do an injector/cylinder swap and retest to rule out bad injector.

Did you also check the operations of the engine shocks? I have seen them look ok visually, but had no resistance when actually moved. The engine shocks should be pretty stiff to move.

Glad to here the mounts are good.