How to plumb the vent for a fuel cell ????? - Chevy Nova Forum
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Old 22nd-August-2006, 04:32 PM   #1
Grayman68
 
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How to plumb the vent for a fuel cell ?????

I recently intalled a brand new fuel system on my 68 and have one question. How should I make the vent for my nova? Right now, I do not have one, and just have it open. You can imagine how bad my car smells like raw gasoline. I bought a roll over valve, but am not sure if I should run it or run a hose instead. I just want my car to stop smelling the garage up. If anyone has pics, that would be a big help.


Andy
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Old 22nd-August-2006, 04:41 PM   #2
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For a vent, you want to attach fuel hose to it and loop it around once or twice, then have the fuel hose exit the trunk floor. The reason for looping it is to catch any gas that may come up and into the vent line, and keep it from spilling on to the track.
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Old 22nd-August-2006, 06:58 PM   #3
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Exactly as stated above. The loop is NHRA required and I believe the rollover valve is too. Put a filter on the end of your vent line as dirt WILL find its way into your fuel if you don't. I flared mine, installed a fitting and a little K&N filter on top of that.

I know most of you have seen this pic but it really helps illustrate "the loop." Not to mention it shows my love for my favorite tool in the garage, my tubing bender(s).

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Old 22nd-August-2006, 09:20 PM   #4
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Quote:
Originally Posted by Grayman68 View Post
I recently intalled a brand new fuel system on my 68 and have one question. How should I make the vent for my nova? Right now, I do not have one, and just have it open. You can imagine how bad my car smells like raw gasoline. I bought a roll over valve, but am not sure if I should run it or run a hose instead. I just want my car to stop smelling the garage up. If anyone has pics, that would be a big help.


Andy
You will still smell gas even after you vent it.
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Old 22nd-August-2006, 09:24 PM   #5
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You will still smell gas even after you vent it.
Yeah, but it's not too bad.
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Old 23rd-August-2006, 11:33 AM   #6
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What kind of K&N filter are you talking about? That tubing job looks awesome. Thanks for the advise!


Should I use a gromet where the tube goes through the trunk floor?
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Old 23rd-August-2006, 11:35 AM   #7
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Should I use a gromet where the tube goes through the trunk floor?
Yes, use a grommet.
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Old 23rd-August-2006, 11:57 AM   #8
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Or Jerry Bickel Racing sells a bulkhead fitting with a K&N filter attached to the underside for the vent. It is called a fuel cell vent kit Part #: JBRC5022 - bottom of page https://secure1.securehosting.us/jer...l%20Components

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Old 23rd-August-2006, 02:07 PM   #9
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Dude, that is perfect! Thanks for the help guys!
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Old 23rd-August-2006, 02:21 PM   #10
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It's 29.00 for the kit P/N JBRC5022...19.00 for the replacement filter. I think I'll get one...

Thanks for the info.
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Old 23rd-August-2006, 09:43 PM   #11
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That's the one I used. FWIW that part is a AN -8.
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Old 23rd-August-2006, 10:20 PM   #12
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OOPS. good catch on the filter vs unit. That would have stunk. sorry.
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Old 8th-November-2006, 09:11 AM   #13
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Why would you want to use that filter when everything I am hearing is that the vent should be vented outside the vehicle?

Also, the aluminum Summit cell I just got also has a return line fitting. This can be plugged, right?

Thanks
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Old 8th-November-2006, 11:47 AM   #14
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That filter is also a bulkhead. Your vent hose will be hooked to one side of the bulkhead in your trunk, and the filter will be hooked to the other side of the bulkhead, beneath the trunk floor. The filter is not entirely necessary because you will have 1-2 loops of that hose in the trunk, but I just think it is a piece of added security (for tooling around on the dirty roads while your system is breathing)
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Old 8th-November-2006, 12:13 PM   #15
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72 Orange

A return line is part of the fuel delivery system.
I would run a return line. I never felt safe with a dead-head set-up.
Jmo

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