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Discussion Starter · #1 ·
What causes a sled to go through spark plugs. Been running the sled now for a month and 2 new plugs are good for about 3 days . Plugs are not fouled still look almost new . Put in 2 more and continue for 3-4 days start all over . I am running NGKs 7BS Started with 8BS NGKs . Any ideas??????
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