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Rich Buckner Rich Buckner is offline
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Join Date: Nov 2008
Location: Thousand Oaks, CA
Posts: 139

My reason for asking this question is based on the diffrence between the amount of fuel and the relationship to spark plug heat levels. I noticed that all of the Motronic based turbo charged Porsches (993 for example) use a diffrent heat range than the CIS turbo cars. I thought there might be a relationship between the two systems (CIS and EFI) and heat range levels.
Old 03-02-2010, 02:56 PM
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