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Dwell angle
Posted: Thu Dec 03, 2015 8:57 pm
by trabant
Does anyone know the correct dwell angle for the minor please.
Re: Dwell angle
Posted: Thu Dec 03, 2015 9:12 pm
by les
This is what's quoted for a 1098cc in an engine test data manual I have----dwell angle 57/63
Re: Dwell angle
Posted: Thu Dec 03, 2015 9:44 pm
by bmcecosse
Much easier to just set the usual 15 thou gap on the points.
Re: Dwell angle
Posted: Thu Dec 03, 2015 9:53 pm
by trabant
Easier yes but in my experience not quite as good mines an 803cc
Re: Dwell angle
Posted: Thu Dec 03, 2015 10:21 pm
by bmcecosse
It makes little difference - especially in a slow revving/low power engine. It's simply the time the coil has to charge up before each spark is delivered - the smaller the gap, the more time it has to charge between sparks. But of course if set too small - the risk is it will close up completely. Unless you have fitted a 'new' dizzy - yours is likely to be worn and the gap (and dwell..) is likely to vary on each lobe of the cam. It's not something to get over excited about!
Re: Dwell angle
Posted: Thu Dec 03, 2015 10:38 pm
by trabant
The nice new dizzy is why I asked
Re: Dwell angle
Posted: Fri Dec 04, 2015 11:11 am
by bmcecosse
Just set the gap then -and if 'worried' - check it on each lobe of the cam.