Ignition Question, My diaphragm was cracked--still not Prego! Options

[Robarabian]

Collective brain trust help needed.

Car is a 1971 1.7. Finished my rebuild, now 1911 CC's. (ECU non adjustable)

Car runs a Pertronix Ignition. Distributor was disassembled, cleaned and re-lubed.

Static timed the car and started it, and ran it for about 18 minutes at 2500-3000 rpm to break in the cam and rings. Did my oil change and then it sat for a few weeks.

Started it to finally set the timing and it started running rough, and I can tell it is on 3 cyl, sometimes 4, and spits, coughs etc. I know it isn't timed right and cant time it until it is on 4 cylinders.

Fuel pressure on an inline gauge is at 30 psi.

Pulled #1 and #2 plugs, they are the right color.

Pulled #3 and #4 and they are wet, and have remnants of being the right color from the cam break in.

Checked all the connections, but don't quite know where to start. The trigger points were clean in the distributor when I disassembled it, and it ran right for cam break in.

Cap, rotor, plugs, wires are all new. MPS holds vacuum.

Thoughts on what I am missing here or where would you start digging first.

I thank you in advance.

[emerygt350]

I would suspect a lean condition at cold start. Is the aux air regulator functional and is the cold start valve doing it's thing? Sounds like the csv is working since it runs for a sec. Perhaps try to get the timing closer to where it should be? If it won't idle I suspect it is retarded,. I would plug any vacuum lines going to it for the moment. Just while you are trying to get the timing set and idle going.

Since you bumped it up to a 2.0 you may want to add the inline resister to your cht. You can just make your own, I think it's 220ohms or something like that. You can Google it. Pbanders has the numbers on his djet site. As long as you have the 2.0 injectors, and the resistor, you should be able to tune that mps to your new displacement with an afr and a kit from tangerine racing. Others that have bumped up a 1.7 will know for sure. If it is running lean I would not try to drive it.