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Speed Engineering Fuel System

Old Apr 14, 2006 | 02:48 PM
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Default Speed Engineering Fuel System

I just got the fuel system 2 days ago and its almost done, here are some pics, on the second pics, circled on yellow, can anyone tell me if thats the vacuum line and where could I hook it up to? Also I install a gauge on the regulator so what would be the right pressure on it?

http://i41.photobucket.com/albums/e2...yellow3045.jpg

http://i41.photobucket.com/albums/e2..._SS/NEWNEW.jpg
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Old Apr 14, 2006 | 10:59 PM
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Cant help with the question, but did you get your issues with your setup straightened out yet? I would think that you would be in the mid 11's or better with your setup as is.
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Old Apr 14, 2006 | 11:17 PM
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jj thats not a extra line for a noz wet kit is it....
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Old Apr 14, 2006 | 11:19 PM
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The port in the second pic is for vacuum connection just like the factory regulator. Use a piece of vacuum tubing and connect the port on the regulator to the port on the intake manifold for the oem regulator. You might have to adjust your fuel pressure with the new regulator.
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Old Apr 15, 2006 | 12:55 PM
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i have almost the same set up but i have the fuel rails also i am running 65psi an i am a little on the rich side
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Old Apr 15, 2006 | 02:48 PM
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Got the setup done just in time for the track, with the vacuum line connected it would get way rich, so had to desconected and put the regulator on 60psi ran better but not good it was still rich then at 57psi again better but still rich and then the track close down, damn. I'll try next time dropping it more till it gets it.
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Old Apr 16, 2006 | 10:42 PM
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Originally Posted by JJ_NLTO
Got the setup done just in time for the track, with the vacuum line connected it would get way rich, so had to desconected and put the regulator on 60psi ran better but not good it was still rich then at 57psi again better but still rich and then the track close down, damn. I'll try next time dropping it more till it gets it.
Set it to 60psi with the vac line off. Then hook the vac line back up to it. Should drop down to about 50 psi at idle. It will rise to 60 psi as you approach 0 vacuum and climb another psi for every psi of boost if you are FI . Also, your injector slope is set up for boost-referenced fuel pressure which you have disabled if the vac line is not connected to the regulator.
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