earthing my ignition leads

[CMF_ndxxx]

so i have sun nology wires and the have earth leads on them, was wondering if anyone on here has used them and if they earthed them out to the rocker cover? and i was then also thinking of running and earth from the to the radiator support? is all this necesary? all info appriciated

 

[CMF_ndxxx]

thats what i thought but it doesnt hurt to run an extra earth?

 

[CMF_Mike R]

the engine and bodywork will already be earthed to the battery via the battery lead , thus creating a "star" earth network , earthing the rocker cover to the rad support will create an earth loop , something thats best avoided in electronics as it gives rise to all sorts of noise problems .. best just to earth the leads to the rocker cover