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<blockquote data-quote="Joeker" data-source="post: 115555" data-attributes="member: 591"><p>Depends on how much boost you hop-up. Say that your GSR is running standard 0.8 bar and you plan to boost 1 bar. I think you can still get away with stock 390cc/min injectors. If that is the case, you don even need a standalone management in the first case. A piggyback will suffice.</p><p></p><p>The intention of running a bigger turbo is to generate higher boost efficeintly than stock turbo. With higher boost, more fuel is needed. However, there is so much the standalone can squeeze out of the 390ccs duty cycle before the injectors crap out. Hence forth, the need to upgrade the fuel delivery with larger capacity injectors and pumps</p><p></p><p></p><p>When the pipings of the intake or exhaust change, so does the flow charatericstics.</p><p>For instance, when you mod the intercooler pipings larger, you get more lag and less response. More time is needed to build up boost. If you don tune the standalone ECU aftre the mod, you will not reap the full benefits of the i/c piping upgrade.</p><p></p><p></p><p>Don exactly understand wat you mean.</p></blockquote><p></p>
[QUOTE="Joeker, post: 115555, member: 591"] Depends on how much boost you hop-up. Say that your GSR is running standard 0.8 bar and you plan to boost 1 bar. I think you can still get away with stock 390cc/min injectors. If that is the case, you don even need a standalone management in the first case. A piggyback will suffice. The intention of running a bigger turbo is to generate higher boost efficeintly than stock turbo. With higher boost, more fuel is needed. However, there is so much the standalone can squeeze out of the 390ccs duty cycle before the injectors crap out. Hence forth, the need to upgrade the fuel delivery with larger capacity injectors and pumps When the pipings of the intake or exhaust change, so does the flow charatericstics. For instance, when you mod the intercooler pipings larger, you get more lag and less response. More time is needed to build up boost. If you don tune the standalone ECU aftre the mod, you will not reap the full benefits of the i/c piping upgrade. Don exactly understand wat you mean. [/QUOTE]
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