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What is the elevation of the area you are diving in?
Are you planning any internal upgrades are you just going to add this to a stock setup?
If you have stock internals you do not want to go too high on the boost as the cast pistons will not last long. A supercharger is more sensitive to elevation changes. You can run 10 lbs at sea level but at 1000 feet 7.5 lbs is about equivalent. At 4500 feet you better be 5 lbs or you will be burning holes in the cast pistons. Low pressure is better.
Also be aware of detonation. Any knocking or pinging you will need a alcohol/water injection to help suppress the spark.
____________________
Tony
NE ATL
'04 XLT regular cab 3.slo stepside
Semi retirement