Fuel Lines
Posting Guru
Joined: Dec 2012
Posts: 1,065
Likes: 2
From: western washington
All the fuel lines except the high pressure lines from IP to injectors, can be replaced with fuel hose, as they have less than 4lbs pressure, the engine consumes less than ten oz's per min on the hyway, so big lines are a waste of money..stock fuel pressure nominal is 1/2 lb, max is aprox 4. more than that applied to IP will adversely affect timing. at all RPMS.
Elder User
Joined: Dec 2005
Posts: 776
Likes: 3
From: Felton, Delaware
Timing is not affected until 8psi of fuel pressure. I replaced all my steel lines with Cunifer and used 30r14 fuel hose from napa for all flex lines and connection in place of quick connect.
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MrG4x4
Fuel Injection, Carburetion & Fuel System
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Jul 10, 2008 12:09 AM
