1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

98 bonneville ssei head question

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Old Sep 17, 2008 | 11:17 AM
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Default 98 bonneville ssei head question

i have a cracked head. do i need to replace it with a head off a supercharged motor or are the heads the same for a non supercharged one

thank you
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Old Sep 17, 2008 | 06:08 PM
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you must replace it with a head that is off a Supercharged 3.8 from 98+
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Old Sep 18, 2008 | 06:46 AM
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X2 on that. The 96/97 heads were slightly different and it wasn't for the better. 98+ is your friend.
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