C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

fue preasure Test

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Old Jul 20, 2013 | 08:32 PM
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Default fue preasure Test

On my 1986. I did some fuel preasure Test this morning. Tell me if this número aré ok.

Key swich to on possition engine off . 43 psi

engine running idle 35 psi

Open throttle Have way . Top to 43 psi

What can your say about this numbers . Aré they ok.
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Old Jul 20, 2013 | 08:39 PM
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Yes, that is how it works. Key on, no vacuum 43, running with vacuum applied to regulator 35, and WOT, no vacuum, back up to 43.
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Old Jul 20, 2013 | 08:45 PM
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So iam ok????
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Old Jul 20, 2013 | 08:48 PM
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Your fuel pressure is okay, but I don't know about everything else. 43, or 44 for an 86 is perfecto.
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Old Jul 20, 2013 | 08:49 PM
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Ok thanks
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Old Jul 20, 2013 | 09:04 PM
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Turn the key on and watch the gauge. If it leaks down fast you may have other issues with the fuel system.
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Old Jul 20, 2013 | 09:40 PM
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That is not a problema. That ok
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