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.

3.8 heads--- are the SC and N/A'd the same head?

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Old Jul 26, 2006 | 07:40 PM
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so the series 1 head in 1992 IS interchageable? what years can I use the NA head for my SC application?
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Old Jul 26, 2006 | 07:48 PM
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91-92 NA or SC?
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Old Jul 26, 2006 | 07:55 PM
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Don is saying that a 91-92 NA or SC will work in your application... 93-95 NA or SC heads if you want to replace BOTH heads.
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Old Jul 26, 2006 | 07:55 PM
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Dammit Don!
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Old Jul 26, 2006 | 08:59 PM
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as a recommendation, i would replace both heads because of the updated valve train...you already have one off....might as well do both....and yes you can use heads off either a NA or an SC motor
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