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 Post subject: Re: Another won't start
PostPosted: Wed Nov 19, 2014 8:30 am 
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Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39764
Location: near Baulkham Hills, NSW
It takes more voltage to fire a compressed air & fuel mixture than to give a spark in the open.
Yellow spark = a weak one.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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 Post subject: Re: Another won't start
PostPosted: Thu Nov 20, 2014 1:57 pm 
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848cc
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Joined: Thu May 03, 2007 6:25 pm
Posts: 78
Location: Canberra
WOW. thanks doc. Didnt know that. OK so then i'm wondering should i go electric? I have a 29d and it seems like its not the most reliable. Also can i change to another distributor all together like a 25d?


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 Post subject: Re: Another won't start
PostPosted: Thu Nov 20, 2014 2:26 pm 
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Location: near Baulkham Hills, NSW
29D wasn't a bad dizzy, but being made by Lucas Aust means some parts like dizzy caps are NLA new.
I prefer a 43D or 45D to the old 25D.
I run a 43D with a Powerspark module in it. No points or condenser.
Looks like this-

Image

There are other brands that work the same. Pertronix Ignitor for example.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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 Post subject: Re: Another won't start
PostPosted: Fri Nov 21, 2014 10:19 am 
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848cc
848cc

Joined: Thu May 03, 2007 6:25 pm
Posts: 78
Location: Canberra
And if i got one of their full distributor swaps it should be a direct swap without problems and should give significant spark?


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 Post subject: Re: Another won't start
PostPosted: Fri Nov 21, 2014 11:10 am 
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Joined: Fri Mar 19, 2004 6:19 pm
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Location: near Baulkham Hills, NSW
dtorreal wrote:
And if i got one of their full distributor swaps it should be a direct swap without problems and should give significant spark?

Yes.
However, the centrifugal advance curve in these aftermarket (non)Lucas dizzies may not suit your engine.
I got around this by locking the advance mechanically and using an Accuspark Stealth black box as well. This is wired between the coil and dizzy, and allows the advance curve to be programmed with a PC and a USB cable.
If you are going to do this, you don't need to buy a whole new dizzy- just put an ignition module in a s/h 45D dizzy and lock the advance up like I did.

See the Accuspark Black box thread-
viewtopic.php?f=2&t=83483

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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 Post subject: Re: Another won't start
PostPosted: Sat Dec 13, 2014 4:53 pm 
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848cc
848cc

Joined: Thu May 03, 2007 6:25 pm
Posts: 78
Location: Canberra
Ok I don't like when subject don't come to and end so here is what I did to fix the problem. So it must have been the condenser. I put in one of those aftermarket elec ignition kits and whammo. Started right away. Thanks for every bodies help


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 Post subject: Re: Another won't start
PostPosted: Sat Dec 13, 2014 5:14 pm 
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Joined: Fri Apr 29, 2005 9:46 am
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Location: Under the bonnet son!
Nice job, you won't go back from the module. Great pieces of kit.

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All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.


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