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Message: <blockquote data-quote="speed2horizon" data-source="post: 4513895" data-attributes="member: 30831">Methanol injection is a method not really to improve on fuel consumption. But to increase fuel efficiency. So indirectly, from better combustion effieciency, U are able to achieve more mileage.Higher ignition timing produces better power, but the sad thing is when the ignition is advanced upt o a certain degree, it'll combust the fuel before TDC due to the over heated combustion chamber and the natural flash point of our pump fuel. That's knock.So, when methanol injection takes place, it blends with the intake air to reduce the air temperature. Then it blends with the injected fuel to increase the octance level. By having a cooler intake and higher octane level, there u go... U can advance ur ignition further. And so, it produces better power.At the same time, methanol injection took place within compressed air line... So, u'll have least worry that it'll damage the injectors internal and the diagphram of ur FPR.---------- Post added at 07:25 PM ---------- 6 hour anti-bump limit - Previous post was at 07:16 PM ----------I don't have much experience on BOT a blacktop... Cause black top memang highcam.. But not really alot la... Okay, here is what u can do... If u are boosting low, U can use adjustable cam gear to advance the exhaust cam and retard the intake cam. This can overcome the overlapping issue. Up to a certain stage.Or, U can regrind the cams into a turbo cams. Send it to matspeed.Or, U can change the pistons and straight go for high boost with a high flow turbo. On a high boost/flow application, overlapping is not a problem cause ur turbo is still able to supply the same pressure even though it's leaking.</blockquote>

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