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Old 06-20-2005, 02:55 PM   #21
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Quote:
Originally Posted by Rogue
Its my understanding that S1 and S2 are diff valve covers...am I wrong here?
I think the valve covers are the same from the LN3, L27, L67(ser1), and L36.
I know that the ser2 L67 covers are different because of the injector bosses in the heads.
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Old 06-20-2005, 03:00 PM   #22
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Quote:
Originally Posted by willwren
Ok, start talking about specific features you'd like to see. How much taller? Half inch?

What kind of profile on top? Curved and grooved like OEM, or flat top with rounded corners? Chamfered corners? Or should I throw some more samples up?
How about something with "3800" designed into them?
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Old 06-20-2005, 08:21 PM   #23
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The LN3 was a mixed brew when it came to valve covers. The valve covers in my 1989 Lesabre has metal valve covers -painted. The LN3 3800 I pulled out of my 1989 Lesabre parts car and put in my 1990 Bonneville SSE had plastic valve covers. The motor that came out of the 1990 SSE had metal covers -painted.
My dads 1990 Olds 98 has plastic covers. My sisters 1989 Lesabre Limited has plastic covers. Another sister has another 1989 Lesabre Limite (my first Lesabre) and that has the metal covers.
I pulled the plastic covers off my 1992 Bonneville engine and they've been sitting around the garage and so when I swapped the motors in the 1990 SSE I pulled a valve cover and aside from being different materials they appear to be identical as far as dimension/bolt locations goes.

Sorry to go off-topic.
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Old 06-20-2005, 09:12 PM   #24
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Good to know all the interchangabilities. Who wants to take on the research?
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Old 06-20-2005, 09:27 PM   #25
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what sort of research? just actual hole locations (in nice neat dimensions), or how tall it needs to be for various rocker arm ratios?
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Old 06-20-2005, 09:35 PM   #26
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Well sign me up for a series 2 front valve cover, can you emboss 'Bone Evil' on it for me
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