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Sierra spark plug wire ends

Island Time 1

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I purchased Sierra Magforce spark plug wires from Marineengine.com. GM 350's. The ends are slightly different. there is a slightly longer boot on one end, and a slightly shorter boot with a small flat on top at the other end. I put the shorter boot with the flat on the distributor because that is the way the coil wire fit. 2 questions:

1) Does it matter?

2) If it does matter, which way is correct?
 
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