What boost level do I have?
04-17-2011, 08:36 PM
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What boost level do I have? I have an 02 zo6 with stock ls6 with a vortec sq supercharger with a 3.8 pulley. I was told it was tuned on 8-9lbs of boost but the gauge is only showing 6. Can anyone help me find out if I need to start looking for a leak or just maybe it is only supposed to be 6. Thanks
04-17-2011, 09:26 PM
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I have checked the filter and it looks very good. So is 8-9 lbs where it should be with this pulley. I did forget to add that it has kooks LT headers and straight pipes which might effect the flow, right? I'm new to the FI world but doing lots of reading.
04-20-2011, 06:13 AM
#4
How much boost the blower can produce depends on many variables.
* Cubic inch. The larger the engine the less boost it will make with a supercharger.
* Headers and exhaust. A better flowing system will produce less boost, requires a smaller pulley to regain the loss in boost. Ultimately though, more power will be gained.
* Camshaft and heads. A camshaft with some overlap will leak out some boost through the valves. Better flowing heads react a lot like a better flowing exhaust system.
* Altitude. Elevation plays a big part in how much boost is produced. Those people living in the higher elevations have to spin the blower harder to see boost.
* Condition of engine. An engine with real good sealing rings will ultimately produce more boost than one with worn rings.
* Rpm. An engine that is spun up higher in the rpm range will normally produce more boost.
Bob
* Cubic inch. The larger the engine the less boost it will make with a supercharger.
* Headers and exhaust. A better flowing system will produce less boost, requires a smaller pulley to regain the loss in boost. Ultimately though, more power will be gained.
* Camshaft and heads. A camshaft with some overlap will leak out some boost through the valves. Better flowing heads react a lot like a better flowing exhaust system.
* Altitude. Elevation plays a big part in how much boost is produced. Those people living in the higher elevations have to spin the blower harder to see boost.
* Condition of engine. An engine with real good sealing rings will ultimately produce more boost than one with worn rings.
* Rpm. An engine that is spun up higher in the rpm range will normally produce more boost.
Bob
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04-20-2011, 06:52 PM
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Thanks guys. I think the less boost is a result of headers and exhaust. I am going to check for leaks though and then probably look at getting a smaller pulley to get it back up. Any advice on checking for leaks. Just soap and water?
