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Old 06-20-2012, 08:50 PM   #1
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Off road h pipe

M putting a 3" offload h pipe on my 91 foxbody... What do I do to the random hose that can no longer has a place to go. I'm guessing this is a evap hose or something to do with emissions.... Can I just plug the damn thing or do I need to leave it open?
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Old 06-20-2012, 10:52 PM   #2
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Re: Off road h pipe

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M putting a 3" offload h pipe on my 91 foxbody... What do I do to the random hose that can no longer has a place to go. I'm guessing this is a evap hose or something to do with emissions.... Can I just plug the damn thing or do I need to leave it open?
Are you talking about your smog pump injector hose?
If so just let it vent to the atmosphere somewhere unobtrusive or remove it and the pump.
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Old 06-20-2012, 11:07 PM   #3
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Im guessing that's what it is... It's the metal line that runs back toward the motor... It was what hooked H pipe and had a smaller piece of pipe that connected the two lager pipes before the second set of converters and the h part of the pipe. I left it open and the car is running fine.
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Old 06-20-2012, 11:26 PM   #4
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Re: Off road h pipe

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Im guessing that's what it is... It's the metal line that runs back toward the motor... It was what hooked H pipe and had a smaller piece of pipe that connected the two lager pipes before the second set of converters and the h part of the pipe. I left it open and the car is running fine.
Yes, that is the smog pump line.
It connected to the lower check valve in the diagram below.
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Old 06-20-2012, 11:39 PM   #5
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You always have the right info... Thanks again, and I'm guessing that someone forgot to take that part off because I know that there isn't a pump on my motor... All I got is a water pump, power steering, AC, and alternator. And I'm pretty sure I didn't see any of the other lines running around the motor like that. Guess I'll take care of the rest tomorrow.
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Old 06-21-2012, 12:25 AM   #6
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Re: Off road h pipe

Glad I was able to help you.
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Old 06-21-2012, 07:25 AM   #7
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The part that bolts in the back of the heads can be plugged with a 5/8 11 bolt. Use a short one with thread sealant.
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