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BMW 3-Series (E90 E92) Forum
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Meth Injection Question
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07-25-2020, 08:02 PM | #1 |
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Meth Injection Question
I apologize in adavance for the lazy question without much research... I will be diving into this more.
Are you able to run a low WMI at all times, safely? Or is it usually just set to engage at or near peak boot? If one is not just going for exteme power, I am curious if a low flow on a daily driver would actually help the engine. Cheers!
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07-25-2020, 09:52 PM | #2 | |
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It can help keep valves clean as well.
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07-26-2020, 02:40 PM | #3 |
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You would not want to have it spraying at all times. You can however choose a small nozzle and with progressive methanol controllers such as AEM you can set a start and full spray at different boost levels. Looking at your signature it looks like you're running the JB4. I would then assume you plan to use the JB4 for methanol control. You wouldn't have the progression but you can run a smaller nozzle and spray it on all maps.
I'm not sure what you're trying to accomplish. The JB4 in it driving behavior isn't really great at partial throttle anyways. You really decide if you're going to drive normally or floor it. I would just run a CM10 or something equivalent and enjoy it.
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07-26-2020, 10:51 PM | #4 |
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Thank you for the detailed response. My thought was trying to keep the engine temps down during the summer since these engines already run so hot. I also liked the idea of being able to increase power but I am more concerned with reliability than peak power.
I know what you mean about the JB4 and plan switch over to Wedge Performance down the road, ideally after a turbo upgrade. |
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07-26-2020, 10:59 PM | #5 | |
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08-08-2020, 10:09 AM | #6 | |
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Ideally u need to spray in proportion to engine load. And boost is closes although not ideal. Since meth or most alcohols dont affect ur AFR like hydrocarbon fuels its alot more forgiving at spray and pray esp at above 3000 rpm ranges. |
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