Thread: my custom CAWAI
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Old 06-23-2013, 07:36 AM   #10 (permalink)
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I the early 70's my father did some fleet testing of GM HEI distributors. One of the thing he told me was that after 60K miles they would change the plugs and performance would go down, it seemed the new plugs were not gaped wide enough to take advantage of the output. As part of the changeover to an electric distributor were you require to change the plug type or gap?

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