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2000-2005 Discuss your 2000-2005 Bonneville SE, SLE, and SSEi Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-23-2004, 03:04 AM   #1
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Hey does the normal 3.8L require anything above 87 octaine? How about the super charger?
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Old 11-23-2004, 03:09 AM   #2
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L67 recommends Premium Fuel - 91 Octane.
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Old 11-23-2004, 03:10 AM   #3
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AHhhhhhhhh.... whats the L67?
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Old 11-23-2004, 08:23 AM   #4
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L27 is the Series 1 N/A Engine
L67 can be Series I SC Engine
L36 is the series II N/A 3800 engine (Vin K)
L67 is the Series II SC 3800 engine (Vin 1)
L32 is the Series III SC 3800 engine

N/A is fine with 87, SC should use 91 or higher and highest you can get (that you don't get KR with) if your modded.
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Old 11-23-2004, 01:26 PM   #5
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Thanks Rouge.
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