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Old 08-26-2016, 07:22 PM   #6
thstone
Certified Boxster Addict
 
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
Fuel additives can create smoke but in a limited amount.

If the smoke clouds look like your engine blew up or a James Bond 007 smoke screen, then its most likely your AOS.
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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