Weldon A2040 Series Fuel Pressure
– The recommended fuel pressure regulator for all T1 Race Development projects and builds. Supports up to 120 psi base fuel pressure. – 10 AN pressure and 8 AN return ports – .281″ bypass orifice
Size of Return Orifice in Inches: .281″ Features:
Details
Frequently Asked Questions About the Weldon A2040 Series Fuel Pressure
What is the maximum base fuel pressure the Weldon A2040 supports?
This regulator is capable of supporting a base fuel pressure of up to 120 psi, making it suitable for high-performance racing applications.
What size fittings does the A2040 Series regulator use?
The unit features two -10 AN pressure (inlet) ports and a single -8 AN return port to accommodate high-volume fuel systems.
Is this regulator compatible with alcohol-based fuels like methanol?
Yes, the A2040 utilizes a fluorosilicone diaphragm that is fully compatible with gasoline, methanol, diesel, ethanol, and most other racing fuels.
How does the Weldon A2040 respond to boost pressure?
It features a 1:1 boost reference ratio, meaning fuel pressure increases by one pound for every pound of boost pressure applied to the reference port.
Why is the .281-inch bypass orifice significant for racing builds?
The large .281-inch bypass orifice allows for substantial fuel flow return, ensuring stable pressure control even during dramatic changes in engine demand.
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