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Annoying miss
https://ausmini.com/forums/viewtopic.php?f=5&t=94175		 Page 1 of 2
Author:  oldblade [ Tue Nov 08, 2016 12:56 pm ]
Post subject:  Annoying miss
Here is a video constant throttle https://vimeo.com/190660137


It's driving me nuts

New leads in plugs stealth box inc distributor and coil
Author:  oldblade [ Tue Nov 08, 2016 1:28 pm ]
Post subject:  Annoying miss
More video this time the timing it seems to be jumping around

Note I have set the black box to 0 no advance
Author:  9YaTaH [ Tue Nov 08, 2016 3:56 pm ]
Post subject:  Re: Annoying miss
Distributor body well clamped?
Author:  phillb [ Tue Nov 08, 2016 4:02 pm ]
Post subject:  Re: Annoying miss
Double check all spade connections are tight and they are well attached to the wire.

Check wired up dissy weights have not come loose.

Spark plug bodies porcelain and inside outside of dissy cap squeaky clean and dry.





Sent from my iPhone using Tapatalk
Author:  oldblade [ Tue Nov 08, 2016 4:03 pm ]
Post subject:  Re: Annoying miss
This time with video https://vimeo.com/190672686
Author:  oldblade [ Tue Nov 08, 2016 4:04 pm ]
Post subject:  Re: Annoying miss
Hmmm I haven't checked the weights I'll do that
Author:  drmini in aust [ Tue Nov 08, 2016 5:40 pm ]
Post subject:  Re: Annoying miss
I got rid of all spade connectors on the coil, replaced With ring terminals. Loose or frayed connections are a perennial source of misfires.
Author:  9YaTaH [ Tue Nov 08, 2016 5:53 pm ]
Post subject:  Re: Annoying miss
Sounds rough as guts...you could throw another set of plugs at it...
Author:  oldblade [ Tue Nov 08, 2016 6:27 pm ]
Post subject:  Re: Annoying miss
Ring connectors are a good idea
Here are the plugs one is not like the otherImage
Author:  oldblade [ Tue Nov 08, 2016 9:51 pm ]
Post subject:  Re: Annoying miss
also the timing seems to jump around a fair amount
Author:  9YaTaH [ Wed Nov 09, 2016 6:36 am ]
Post subject:  Re: Annoying miss
9YaTaH wrote:
Sounds rough as guts...you could throw another set of plugs at it...
Author:  drmini in aust [ Wed Nov 09, 2016 6:55 am ]
Post subject:  Re: Annoying miss
oldblade wrote:
also the timing seems to jump around a fair amount

I noticed this too, with a timing belt and Pulsar electronic dizzy, my timing was steady as a rock all the way from idle.
With the black box on the dialback timing light `shows' it moving around.
However......
1. It idles much better.
2. It goes harder.
3. Fuel economy is much improved.

So, I'm not sure the timing `moving around' is real, both the black box and dialback timing light use similar spark delay technology. Electronics of both may be interacting.
Author:  oldblade [ Wed Nov 09, 2016 7:26 am ]
Post subject:  Re: Annoying miss
I pulled the dizzy out yesterday and noticed the module did not have the same gap all the way around to the rotor button so I adjusted that.

The video is a bit hard to hear it is actually idling nicely and goes hard and economy is now awesome. Those plugs I through in just to check it wasn't the plugs I am running iridium plugs in it. By the way as a side note the iridium plugs make a noticeable difference to power.

I'll keep hunting thanks for the help might see if I can find a pulsar dizzy or I might go dizzy free if it drives me nuts enough
Author:  9YaTaH [ Wed Nov 09, 2016 7:58 am ]
Post subject:  Re: Annoying miss
drmini in aust wrote:
So, I'm not sure the timing `moving around' is real, both the black box and dialback timing light use similar spark delay technology. Electronics of both may be interacting.


and sending a confused waveform to the Tacho...
Author:  drmini in aust [ Wed Nov 09, 2016 8:17 am ]
Post subject:  Re: Annoying miss
With a black box fitted, Pulsar dizzy works no better or worse than a Lucas with electronic module. I'm currently using a 43D with powerspark module.
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