123ignition curves

kendy · Posted: Mon Sep 17, 2018 10:53 am Post subject: 123ignition curves

Hi

Can I find any sources with curves for modified engines? Have problem with my engine - some predetonations Sad

Want to correct it by 123ignition but have no idea how Sad

2332 ccm , fk89 , 44x37 progas heads, 10,5:1 - vpower racing fuel

Can anyone help ? Smile

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kendy

hobbybob517 · Posted: Mon Sep 17, 2018 11:24 am Post subject: Re: 123ignition curves

I bought the 123 ignition and it sucks,
It's basically a 009, unless you get the USB one.
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Bad bug · Posted: Mon Sep 17, 2018 11:45 am Post subject: Re: 123ignition curves

Why didn't you try crank fired ignition.

bugguy1967 · Posted: Mon Sep 17, 2018 12:49 pm Post subject: Re: 123ignition curves

How much total advance do you have now? From the description, it looks like you'd need around 28°. Maybe less. Just keep backing-off timing until it goes away.
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"A petrol engine can start readily, run smoothly and give every appearance of being in good order, without necessarily being in good tune." - Colin Campbell, "The Sportscar Engine"

kendy · Posted: Tue Sep 18, 2018 2:48 am Post subject: Re: 123ignition curves

Ok, thanks Smile

Will start with 28 Smile

It should be around 2000 rpm?
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kendy


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