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West Point
The Library
7.3 Performance
Compound turbo problems
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[QUOTE="psduser1, post: 1558363, member: 735"] Just another internet engineer, but back when I was looking into compounds, the general consensus was that the lp turbo was a big negative to spool the hp turbo. As in, run the biggest single you were comfortable with, spoolwise, before sizing a lp turbo. I haven't heard a single vendor recommend a 369 on a daily driver. They have all pushed towards the 364, and in a compound setup, I would agree. Then set your gate on the hp turbo at whatever bp you are comfortable with, and dump it to the 55. That setup should be capable of 100+ lbs of manifold pressure. In fact, you may have to gate the 55 to the atmosphere. Admittedly, you should have enough fuel to light the 369, but the light weight and 4.30s are hurting you. Anyway to load the truck substantially? [/QUOTE]
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