Hello all
This question may have been asked before but i can't find the answer so here we go. I run a tes challenger type barrel on my bike which has 2 spark plug holes in the head. 1 in the centre and 1 at an angle towards the back. I have seen others with only 1 and others with 2 put in a different positions. Would anyone know if there are any other differences in these heads ei combustion chamber size, swish etc
This question may have been asked before but i can't find the answer so here we go. I run a tes challenger type barrel on my bike which has 2 spark plug holes in the head. 1 in the centre and 1 at an angle towards the back. I have seen others with only 1 and others with 2 put in a different positions. Would anyone know if there are any other differences in these heads ei combustion chamber size, swish etc
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