Buick LaCross 3.8 engine - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-24-2008, 02:36 PM   #1
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Default Buick LaCross 3.8 engine

Is the Buick LaCross CXL 3.8L V6 same as the Bonnie 3.8?
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Old 02-24-2008, 02:44 PM   #2
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Yes and no.

Same basic architecture as the S2. Only major differences are the aluminum upper intake and the drive-by-wire system.
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Old 02-24-2008, 02:45 PM   #3
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Yes, but I believe it is a Series III.

*edit-dang it i got beat
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Old 02-24-2008, 03:08 PM   #4
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The block most likely has the GM SERIES 2 stamp on it lol.

The first yr+ of the N/A motors had the S2 stamp.
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