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SN95 Cobras
Gas smell around FPR and in crankcase
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<blockquote data-quote="Rock777" data-source="post: 9668220" data-attributes="member: 32244"><p>I have a 97 cobra with an 03 longblock in it with about 7k miles on the motor. It has Aeromotive lines, rails, and fuel pressure regulator. I can smell gas emitting from the braided lines, which isn't a huge deal, but has anyone else experienced this?</p><p></p><p>I also can smell fuel/fumes in the vac. line that attaches to the fuel pressure regulator. I've checked all fittings for tightness and don't see any leaks whatsoever. I've checked the fuel pressure and it was ~38-39, which I know is on the low side of the stock pressure. </p><p></p><p> I've came to the conclusion, after talking to Aeromotive tech support, that some vapor will escape from the lines and FPR, BUT I'm concerned about the gassy smell in the crankcase. He said it's somewhat normal, but not so much if it is used as a street car, which it is. What else could cause this smell on a low mileage motor like this? </p><p></p><p>Also, I am getting a little detonation after bringing it to redline through a few gears, but that could be due to running 87 octane in it, though it is low compression and not supercharged????</p><p></p><p><strong><u>Cliffnotes: </u></strong> Braided fuel lines, FPR, and crankcase smell like gas.....What could be causing this???</p><p></p><p>Do I need to run 93 octane on stock low compression 03 cobra motor with no power adder???</p></blockquote><p></p>
[QUOTE="Rock777, post: 9668220, member: 32244"] I have a 97 cobra with an 03 longblock in it with about 7k miles on the motor. It has Aeromotive lines, rails, and fuel pressure regulator. I can smell gas emitting from the braided lines, which isn't a huge deal, but has anyone else experienced this? I also can smell fuel/fumes in the vac. line that attaches to the fuel pressure regulator. I've checked all fittings for tightness and don't see any leaks whatsoever. I've checked the fuel pressure and it was ~38-39, which I know is on the low side of the stock pressure. I've came to the conclusion, after talking to Aeromotive tech support, that some vapor will escape from the lines and FPR, BUT I'm concerned about the gassy smell in the crankcase. He said it's somewhat normal, but not so much if it is used as a street car, which it is. What else could cause this smell on a low mileage motor like this? Also, I am getting a little detonation after bringing it to redline through a few gears, but that could be due to running 87 octane in it, though it is low compression and not supercharged???? [B][U]Cliffnotes: [/U][/B] Braided fuel lines, FPR, and crankcase smell like gas.....What could be causing this??? Do I need to run 93 octane on stock low compression 03 cobra motor with no power adder??? [/QUOTE]
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Gas smell around FPR and in crankcase
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