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Frequently Asked Questions (FAQs): |
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Q: What is the difference between the
non-aftercooled and aftercooled system? |
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A: The aftercooled system adds a liquid to
air aftercooler with an external heat exchanger. The aftercooler cools
air passing from the compressor into the engine. This denser air
produces more power. The aftercooler kit can be added as an option later
down the road. |
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Q: Is the system CARB exempt (California
customers): |
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A: CARB certification is in the plans for
the ScienceofSpeed supercharger system. However, due to recent changes
in th CARB certification program, we do not have an expected date when
this will occur. The system is currently not CARB exempt and not legal
for use on emissions controlled vehicles in California. |
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Q: How is the system lubricated? |
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A: The system uses oil delivered by the
VTEC system to lubricate the supercharger. A self contained model is
available optionally. |
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Q: Does the system require you to
tap the oil pan? |
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A: No. Through extensive testing both on
dyno, street, and track, we designed a return line through the
drain plug that is an effective and safe method to allow oil to return to the
engine. The optional self lubricating supercharger does not share oil
with the engine and does not require a return line to install. |
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Q: Which is better? The engine oil fed
or optional self lubricating supercharger? |
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The standard supercharger is lubricated by
the engine oil and consists of an oil feed line and and oil return line.
The self lubricating compressor is self contained. There is not a
significant advantage to one or the other. However, many customers elect
the self lubricating supercharger option since it reduces complexity,
makes engine oil changes easier, and reduces heat put into the engine
oil (advantageous for track use). The self lubricating compressor
requires separate oil changes every 7500 miles (after the first 2500
mile oil change). |
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Q: What boost does the system run? |
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A: Manifold pressure will vary based on
atmosphere and elevation however, the system in our testing in
non-aftercooled trim produces on average 5 psi, in 2000-05 aftercooled
trim produces 6 psi, and in 2006-08 aftercooled trim produces 8.5 psi. |
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Q: What is the maximum boost that the
system can produce? |
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A: Using boost as a measure of the
system's capacity is not always accurate as one system's boost level may
yield different horsepower than another's due to the system's flow and
efficiency. That being said, the system will easily produce over 16 psi
within the compressor's maximum impeller speed. |
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Q: Why does the 2006-2008 application make
more power than the 2000-2005 application? |
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A: The 2006-2008 S2000 uses a "returnless"
fuel system. This system does not allow fuel pressure to be raised for
delivering fuel demand to the engine. Due to this, this application
requires larger injectors and an engine management system to control
these larger injectors. This engine management system allows us much
more power and flexibility to tune the engine allowing us to run more
air volume through the engine making more power. These required parts is
what makes the 2006-2008 application more expensive. 2000-2005 cars can
have the same gains simply by upgrading the factory engine management
computer to an AEM EMS or Hondata K-Pro (our recommendation) for the
same if not higher gains. |
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Q: Why is the 2006-2008 application more
expensive. |
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A: This application adds injectors and an
engine management solution (see above). |
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