High Fuel Pressure After Pump Upgrade

toddyfiveo

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Feb 4, 2016
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177
Location
Illinois
I had a pump going bad so I ditched the factory pumps w/ BAP and installed black306 pumps and modified FPDM with wire upgrade. Prior to the upgrade my fuel pressure was right around the factory 39psi according to my aeroforce guage. Now the pressure sits around 55-57psi after the install. Nothing else was changed, is a retune needed to adjust the fuel pressure? It drives fine, I am just concerned on the higher fuel pressure over time.
 

SVT_Troy

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Jun 23, 2011
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5,324
Location
Virginia
You need to have your tune looked at. Black306 modifies FPDM’s, never heard of pumps by him.


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