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Go Back   SR20 Forum > Main Forums > SR20VE / SR16VE
Reload this Page Fuel Pressure???



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Old 07-10-2005, 07:12 PM   #1 (permalink)
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Fuel Pressure???
I am new to the game and im wondering whats a good fuel pressure to run till i get to the dyno next month. i have a sr20ve with jwt ecu, ve maf, de dist, hotshot secondary, 2.5in vrs, nismo fuel pressure reg set at 39psi, and cams set at 4800,5050. i did a search and nothing came up and any help would be greatly aprecaited.
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Old 07-10-2005, 10:49 PM   #2 (permalink)
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I would run stock pressure. I found my car needed higher pressure to make more power.
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Old 07-10-2005, 11:49 PM   #3 (permalink)
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what is stock fuel pressure???
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Old 07-11-2005, 12:37 AM   #4 (permalink)
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38 psi
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Old 07-11-2005, 07:49 AM   #5 (permalink)
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38 psi at idle with vacuum hose attached -- right?
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Old 07-11-2005, 08:51 AM   #6 (permalink)
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34psi with the hose connected, and 43 without. You really need to have the vacuum hose off to adjust the pressure correct. Any change in idle speed will change the pressure with the hose on. I want to say I'm running 50psi with the hose off, but I'm not sure.
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Old 07-11-2005, 09:34 AM   #7 (permalink)
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FWIW, according to my notes, I was reading 34-36 with the hose attached and 44-45 when it was disconnected running the OEM fuel pressure regulator. These numbers (and the specs provided by Eric) should be close enough until you can get on the dyno and tune by AFR and power output.
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Old 07-11-2005, 01:28 PM   #8 (permalink)
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is this the same to the regular sr20de? or just sr20ve?
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