fuel pressure question

kfickler · 10-06-2020, 07:15 PM

In my experience, the PE dead head regulators like a "bleed" to minimize the droop when you go from low demand (idle/2-step) to high demand (launch, etc.). Too low of input pressure from the pump will cause regulated pressure to creep. You want to maintain at least double your intended regulator pressure at the regulator inlet during high demand. Have you been able to check the pump pressure?

The PE bleed is a jetted orifice that allows the dead head regulator to always bypass fuel but still creates a system with higher pump pressure than regulated carb pressure. A simpler version of this used to be common: https://product-engr.net/collections...ulator-systems

True bypass systems such as many engineered by Aeromotive operate at the regulated carburetor pressure throughout the system.

10-06-2020, 07:15 PM	#17
kfickler Junior Member Join Date: Aug 2007 Posts: 29 Likes: 1 Liked 10 Times in 2 Posts	Re: fuel pressure question In my experience, the PE dead head regulators like a "bleed" to minimize the droop when you go from low demand (idle/2-step) to high demand (launch, etc.). Too low of input pressure from the pump will cause regulated pressure to creep. You want to maintain at least double your intended regulator pressure at the regulator inlet during high demand. Have you been able to check the pump pressure? The PE bleed is a jetted orifice that allows the dead head regulator to always bypass fuel but still creates a system with higher pump pressure than regulated carb pressure. A simpler version of this used to be common: https://product-engr.net/collections...ulator-systems True bypass systems such as many engineered by Aeromotive operate at the regulated carburetor pressure throughout the system. Last edited by kfickler; 10-06-2020 at 07:22 PM.