Nitrous: Fuel for the Greedy
Ideally, the nitrous gas and the enrichment fuel instantly mix together in the proper ratio to ensure that the system works to its full potential. If pressurized nitrous leaks out of the system and causes a pocket of air to develop in the line, there could be a lag when the solenoids are activated while the gas flows through the lines and solenoid and into the engine. If fuel enters the manifold before it's mixed with gas, the mixture will be overly rich and down on power. To avoid this, a purge solenoid (arrow) allows you to prime the system and remove any air, which ensures the nitrous will be ready to go at the plate when the pass begins. A hard line is run from the purge solenoid usually to the cowl area to vent the excess gas. View Related Article
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