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Old 08-24-2021, 08:42 PM   #17
nkaminar
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Join Date: Jan 2012
Location: Western North Carolina
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Default Re: Roadster Backfiring

i think the backfiring when lean is because the combustion is not complete. Any combustion that does take place is hotter. So fuel and oxygen are pumped out into the exhaust system and ignite.
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