Changed out the burnt up old dizzy (PO didn't put a resistor in after replacing burned up wiring) with the Skip White HEI , new 10 ga. power wire and some end connectors from the ign. unfused in the fuse block, .045 gapped AC Delco copper plugs, and some house brand 8mm plug wires. Didn't find TDC properly, heck, couldn't even find the timing marks, and probably messed up the firing order. Wouldn't fire up. That was yesterday.
Today pulled the HEI, found TDC, cleaned off the timing tab (darn that sucker doesn't have much of a viewing window), pointed HEI towards one, re-seated it, rerouted wiring in the right order, and vroom fired right up sputtering quite a bit. Rotated HEI till she was purring and tightened the bolt down. The timing mark was at about 2 degrees retarded when I did the #1 spark plug hole blow off trick with the remote starter but I couldn't get the engine to turn even after pulling all the plugs. I didn't try the socket, just grabbed pulleys and belts, nada.
Guess I need a timing light and see if I can find that tab in those close quarters after setting the idle and whatnot.
Is there any danger in running with the timing not set if she sounds like she's running smoothly? Or will she just drink a lot of gas like she used to anyway? I don't think I'm hearing any pinging, but I'm not sure.
Thanks for all the info on this sight, I couldn't a done it without y'all!
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Life is too long to go slow...

71 GMC 1500 Super Custom LWB
350/350 AC(replaced w/vintage air)/PS/PB
2.5 CPP Spindle, 1" CPP Drop Spring, CPP Front and Rear Sway Bars/DJM Flip, new General Spring KC 5 spring pack, HEI /IntReg Alt
20x8.5 OldSkools 5" BS, 275/45 Falkens