Originally Posted by Perth_RS4
Whilst do calculations on my fuel demand from my Walbro 450 '274'. I found I would max out my pump and it would limit the amount of power I could make on E85.
Not wanting to run 2 fuel pumps in the tank I decided to use a MSD2351 fuel pump voltage controller to boost pump voltage only when running E85 and only when required.
Walbro rates the pump to 16vDC max. At this voltage, It will be more than enough flow to supply my fuel requirement. I have chosen this route to limit the heat that 2 pumps would have made in the tank. The controller is fully programmable based on manifold pressure.
Not wanting to run 2 fuel pumps in the tank I decided to use a MSD2351 fuel pump voltage controller to boost pump voltage only when running E85 and only when required.
Walbro rates the pump to 16vDC max. At this voltage, It will be more than enough flow to supply my fuel requirement. I have chosen this route to limit the heat that 2 pumps would have made in the tank. The controller is fully programmable based on manifold pressure.
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