Help Lean condition
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Teching In
Joined: Jun 2015
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Help Lean condition I have a 1996 383 scatlt4 trick flow heads 195cc and 286xfi cam 42lb delphi injectors and 255 wlbro pump fedenza flywheel.
I have a fuel delivery problem the car is not responding in tuning in high rpms it doesnt get rich it stays lean, while on low rpms and idle its fine.
I tested the fuel pressure line 43psi on idle and on full throttle its 43psi.
Please help
Thankyou
I have a fuel delivery problem the car is not responding in tuning in high rpms it doesnt get rich it stays lean, while on low rpms and idle its fine.
I tested the fuel pressure line 43psi on idle and on full throttle its 43psi.
Please help
Thankyou
TECH Addict
Joined: Dec 2010
Posts: 2,610
Likes: 4
From: Maricopa, AZ
Help Lean condition I have a 1996 383 scatlt4 trick flow heads 195cc and 286xfi cam 42lb delphi injectors and 255 wlbro pump fedenza flywheel.
I have a fuel delivery problem the car is not responding in tuning in high rpms it doesnt get rich it stays lean, while on low rpms and idle its fine.
I tested the fuel pressure line 43psi on idle and on full throttle its 43psi.
Please help
Thankyou
I have a fuel delivery problem the car is not responding in tuning in high rpms it doesnt get rich it stays lean, while on low rpms and idle its fine.
I tested the fuel pressure line 43psi on idle and on full throttle its 43psi.
Please help
Thankyou
Last edited by hrcslam; Jun 26, 2015 at 07:02 PM.
TECH Resident
Joined: Jun 2013
Posts: 853
Likes: 32
From: Kernersville, NC
I would recommend going back to the stock fuel pressure regulator. I've read several bad experiences with aftermarket FPR units. I'm not sure you are doing anything that would really necessitate the need for an aftermarket FPR anyway.
