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Old 07-31-2020, 10:04 AM   #15
Licensed to kill
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Join Date: Aug 2016
Location: Alberta
Posts: 930
Default Re: 1930 Sport Coupe 11 MPG, backfire when turned off

Quote:
Originally Posted by 30 Closed Cab PU View Post
I had this exact issue. A split second after switching the ignition switch off, would get a loud backfire through the exhaust, loud like a shotgun.
Uncle Buck's Marquis would do that also but with the added bonus of dieseling for a few seconds first .
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