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BMW 3-Series (E90 E92) Forum
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The making of the N54 custom turbos by SJL Custom!
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03-07-2011, 04:40 PM | #45 | |
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03-07-2011, 07:52 PM | #48 |
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These prototypes do not include the billet wheel upgrades. That is for future developments. Im keeping my measurements under wraps for now until we release the dyno and performance number for them. As for pricing, The RB turbos are very competitive. There is alot more machining that goes into these than people may even realize. Its not as easy as fitting new components into the stock housings. First the housings have to be machined to fit the wheels, Second the cartridges have to be machined to fit the housing openings, Third, The wastegate issues with materials and sizing. Forth, the cartridges have to be modified to accept the stock plumbing. Fifth, The turbine housing v band is not physically big enough to fit the new cartridge and turbine wheel, so a special v band flange has to be created and adapted to the housing. Sixth, the tooling. Special jigs have to be created in order to support the manifold/turbing housing correctly so that machining is precise.
Like I said, a lot more work than people think there is. Most hybrids include clipping the turbine wheel for more flow and upgrading the compressor wheel. This wont suffice in this application. All components are either modified or new. The easiest part is machining the compressor housing. |
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03-07-2011, 08:37 PM | #50 |
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i posted over a year ago that i really believe that this engine can make 600whp, given the right parts and tuning.. and reliable horsepower too ..
another jump of 85-90whp is inevitable... i wish all you future space shuttle pilots good luck |
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03-07-2011, 11:18 PM | #52 |
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03-08-2011, 12:15 PM | #54 |
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Ture THAT! By the way how is the single turbo set up coming?
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Have BT Tool professional, will scan and clear codes on your BMW. And now I am able to code my 2011 335is and M4
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03-19-2011, 04:17 PM | #55 |
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Drives: E92 N54
Join Date: Jan 2011
Location: Southern Ontario
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