First off, from what I've read if you install the opti wrong it wont run at all? Is this correct??

Here the deal. I pulled the timing cover off to replace two keyways in the crank and reassembled everything. The car ran fine before the I broke the keyways. Now the car starts and runs very ruff and only idles at about 5-600 according both of my tachs. One of which is connected to my ignition box. However datamaster says the engine is idle at 885 or so. The only code I am throwing is a map high code. After a couple of minutes the car stumbles out and dies. I have check the plug wire placement three times and that is right. I've looked for loose hose clamps and vaccum leaks and have found none. I check the placement of the opti three times before I bolted it down so I would like to think I did screw it up but who knows. Car is a 383 Procharged LT1. Thanks

 

Your post leaves too many questions unanswered.

A suggestion. Why don't you put #1 at TDC and see what position the valves are in and also if the rotor in the distributor is pointing in the correct position relative to the #1 contact in the distributor cap. Use the valves movement together with the piston travel to determine TDC and correct valve orientation. This will answer if the valve train is timed correctly to the crank and if the opti is placed in the cam correctly.