Zom
Member
- Joined
- Jun 15, 2005
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- 92
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- Members Ride
- VTII Blown LS3 Berlina Wagon
Its more like demonstrated rather than proved. The right engineer with an open attitude is absolutely required. The manufacturer supplied a document from the California EPA detailing the outcomes of type tests for the supercharger on various GM engines to the California Ultra Low requirements and the Federal requirements, which are more stringent than ours. My engine/supercharger combination was on the type approved list. Given that and the oversize cats I had installed (for flow) the engineer was happy to bypass the local emissions testing requirements.