Has anyone fitted a group a coil to there cossie has it made any difference,what are the advantages.

 

yes and no. supposed to give a higher voltage than std which should give a stronger spark. to me, the only advantage is that they're cheap and new, so should be reliable

 

i think you're right!

I've also got an Group A Coil, and i've never noticed any big difference...but I think it's a nice ad-on to a fast cossie

 

If you are running boost levels of 2Bar and above you will need a group A coil or the spark will be blown out by the charge entering the combustion chamber, feels like the rev limit is set at 4000 revs

 

are they a straight swap

Cheers
Rich

 

Bolt on in the same place but the connectors are different!

 

how are the connectors connected?

I bought one recently but haven't installed it since I didn't know how

 

just look at the old connections
one goes to positive marked +
one goes to negative marked -
HT lead is self explanitary

 

just bought one as spark keeps being blown out arrived today so hope makes difference.

 

btw, your spark isn't being 'blown out' - it's just that there is too much resistance in the air between the 2 electrodes meaning that the voltage isn't high enough for the spark to be able to jump the gap there. it will be finding an easier path to earth somewhere else. it could also be cured by making sure that all other components in the ht system are in good condition.

if you really want a stronger spark, go to coil pack or coil on plug

 

there are four pins + HT lead on mine?

 

Your not meant to notice a difference as they dont increase you BHP just let you run a bigger gap, it may idle a little better too with the bigger gaps.

 

I was told that since they are not oil filled like ordinary ones, they can overheat though