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Discussion Starter · #1 ·
I figured out my fuel issue, finally, and now I'm trying to start the car and it's not working. Part of the problem is, I don't know where the plugs are supposed to start. I know it's 1342, but I'm still not sure where 1 goes on the Y8 dizzy. When I put it on the lower left (facing the motor from pass. side) the starter actually seems to work harder, all the lights dim and it cranks fast for a turn, then slow. I don't see how ignition timing can do this. If I have the plugs rotated counter clockwise from that, I get popping through the intake tube, so I assume the plugs are firing when the intake valves are open, and the slow start setup is right. Maybe the high compression of the motor makes it hard to start? I'm so close... just need to solve this issue now... help me out...
 

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I had a similar problem when trying to get my 85 Si running again...

Rotate the crank to TDC.
Pop off your dizzy cap, and see which contact the rotor is pointing to.
Now there are two possibilities... The rotor is pointing to either #1 or #4, so run your wires from that. If one order doesn't work, try the other.

Another thing that might help it getting running is to retard the dizzy a bunch, until you can time the motor when its running. Sometimes if the dizzy is to far advanced, the piston is still quite a way from the top, and the resulting firing may hinder the motor's ability to spin itself up to idling speeds.
 

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Discussion Starter · #5 ·
That's actually what I tried. I don't think I can retard the timing enough to compensate for the high compression of this motor, I don't know. The way I have it now is working with a timing light, so I'm pretty sure I have the plugs in right. I feel like it would work if the starter had just a little more power...
 

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Probably not a viable solution, but do you have a really long hill close
by that you could try to push start it with? Kind of a do or die situation though, it'd suck to have to push it back up the hill. Other than that, I dunno... try a different battery and make sure the terminals are clean, both battery, ground, and starter + lead?
 

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Once I got my timing dialed in and my valves lashed properly mine started up just right. I don't know what else it could be. My starter cranks over the high CR just fine. Is your car firing? Can you give it gas when it starts firing to keep it running? I was able to do this even when my valves were way off. I have my timing all the way advanced. It seemed like it wanted to starte easier advanced than retarded (didn't make sense to me, but it worked). My cam timing may be a tad retarded then.
 

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Tom, the reason why your starter seems to be working harder is because it is. And that is because you're not getting any combustion to help rotate the engine. The starter is doing it all alone.

For z6 and y8, no 1 is the higher of the 2 that are closest to the firewall. For a6, no 1 is the lower of the 2 that are closest to the firewall. That's how I look at it.

Visit your other thread if you haven't already done so, I think I have a lead for you.
 
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