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Author
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Topic: 5.0 Supercharged Mustangs. FUEL PRESSURE??
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Blownhatch
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Member # 167
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posted
 
 
I want to get a average of everyones fuel pressure with a blower. I dont have a dyno tune, so i gonna see what the average is.
Posts: 427 | From: Protected Witness | Registered: Feb 2001
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LAST302
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Member # 808
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posted
I have damn near the exact same setup as you, heads, blower, injectors, pumps, and I have had the car tuned with 38psi, fuel curve was perfect across the dyno sheet(12.5-11.5). Under boost it will shoot up to 50 depending. Oh ya, it dynoed at 466rwhp to give you an estimate!!
Posts: 1147 | From: Disco Bay | Registered: Jan 2002
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Vnomss1
New Member
Member # 1699
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posted
It really depends, the one thing you don't want to do is run lean at all. Also depends on the climate and elevation where you are at. But, being from Chicago, most people were telling me, by the way, I'm running a Kenne Bell, but it makes no difference, but most people were saying at Idle 42psi was good. I have it just below and it's running lean until I give it gas.
Posts: 4 | From: San Diego | Registered: Aug 2002
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Wolf
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Member # 1723
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posted
I'm running 40psi with the vacuum line disconnected, then the AFPR increases FP 1psi per pound of boost. This is with a Kirban AFPR and a 155lph Walbro pump.
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64 Mercury Comet - 289ci
99 Honda Superhawk - 996cc V-Twin
Posts: 122 | From: Milpitas, CA | Registered: Aug 2002
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