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n.o.s. trouble

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Old 02-05-2003, 06:57 AM
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Default n.o.s. trouble

ok i am running a direct port 120 shot on my lsvtec. when i turn it on at about 4500-5000 it bogs the first time but then it doesn't bog at all while i'm in it and goin from gear to gear. i have a fuel pressure gauge on my hood and it goes down. i have a 255 bbk fuel pump in it and pressure set at about 45psi. it is a wet system.
Old 02-05-2003, 07:02 AM
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sounds like its obviously getting too much fuel. its really hard to say tho with the provided info. u probably just need to adjust something on your wet system.
Old 02-05-2003, 03:32 PM
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45 is fine if he's talking about WOT pressure.
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Old 02-05-2003, 09:14 PM
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yeah i have a purge kit. now if it is momentarily goin rich then why is the fuel pressure dropping. yeah in the nos book for the kit it talks about 45 to 48 psi. i've tried puttin it around 35 but it leans out way too bad.
Old 02-06-2003, 12:52 AM
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maybe throw it on a dyno to see just exactly what shes doing??
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Old 02-06-2003, 09:21 PM
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ok thanks i'll just have to try that



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