High Octaine
Senior Member
True Car Nut
Joined: Jul 2003
Posts: 6,127
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From: Westerville, Ohio 2000 Black SSEi

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.
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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