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Discussion Starter #1
I put a new magneto on my b/s 18.5 twin. I used a business card to set the gap, I'm getting a slight miss an lil backfire,I'm thinking i may need to adjust this gap, does this sound as though I'm on the right track. Is there anyway to check the voltage output of the coil.
 

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I replaced my mag on an LT4000 this winter. The 'spacing' card was in the box. It also noted that a corner of the box 'flap' could be used, if the 'card' was missing.
Same process used for setting points on model T's, and also my 'modern' 1945 Mack fire truck, but we used a 'standard' match book cover.
 
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