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#4
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As far as (I) know, they were used on the SHP engines and some HP engines that were destined for California and was part of the California emissions program. For any other application, I believe they were dealer installed or over the counter.
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Rick Nelson Musclecar Restoration and Design, Inc (retired) www.musclecarrestorationanddesign.com https://www.youtube.com/watch?v=62r-6vgk2_8 specialized in (only real) LS6 Chevelle restorations |
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