More fuel requires more air to maintain the essential ratio of fuel to oxygen so it is vital to get the fuelling right.Īnother Fuel upgrade is to use a different fuel, higher octane or cetane fuel will generally in most cases give a little more power. Just Installing a fuel pump with a flow rate of 100 liters/seconds by itself would never help considering that your fuel pressure regulator will only ever allow a predetermined amount of fuel to flow at any given time. A beneficial alteration to a fuel delivery system that can correct a lean condition is by increasing the fuel pressure (By changing your fuel pressure regulator AND check valve), THEN attempting to feed more fuel to the engine.
Larger injectors and performance fuel pumps are useful modifications if you have done other mods and fuel starvation is proving to be an issue.Īdditionally, a fuel pump with a faster flow rate will change very little, if anything at all. See the following video on my new YouTube channel and be sure to subscribe.Ħ) Fuel upgrades. For larger gains, you could go with a big turbo conversion but this will require a lot of work. Upgrading an existing turbo is relatively easy and there are bolt on direct replacements around. Twincharging is also becoming popular (the addition of supercharger and turbo). Read our guide for more information on this. But without a doubt is one of the best ways to get a significant power gain. Adding a larger capacity turbo or adding forced induction to a NASP engine provides the largest power gains.Īdding a turbo to a NASP engine is a major engineering feat and will cost a small fortune. Porting, polishing, and valve seat anglesġ) Turbo upgrades.
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