Quote:
Originally Posted by dlabonte
The amount of intake cooling and detonation control needed at low boost is not the same at higher boost levels. For example: Lets say the car is running 26psi and makes 450rwhp. For water-meth you would need about 570ml/min with this set up. If using an on/off switch you will get full flow at the onset, lets say 10psi activated with Hobbs switch. But at 10psi hp is lower say 300 at that point, so you only need 300ml/min. Injecting 570 at 10psi would be to much fluid and hp will drop some from combustion quench.
The variable controllers regulate the injection amount based on the load of the engine. This allows for maximum hp gains across the entire RPM band.
The controllers actually send a PWM signal out to the pump to regulate pressure. Min pressure is 60psi to get good atomization of the fluid out of the nozzle. As the engine load goes up, so does the signal to the pump to increase pressure. More pressure at the nozzle results in more flow.
Our controllers have been designed to account for the non-linear characteristics of the pump-pressure-flow dynamics. This provide the best possible injection curve for the controller resulting in flatter A/F curves, and easy tuning.
We keep our systems simple for wiring, install and tuning. The basic design is set and forget. Once it is set, forget about it and make the power you want without expensive race gas.
Best regards,
Dan
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You info-mercial watching mastermind!!!! hahaha, but question for real, i run a gm maf blow thru so i would want the vc-25 not the 25d right?