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| installing new airbox; not sure what to do with vacuum hose https://auszookers.com/forum/viewtopic.php?f=5&t=11847 |
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| Author: | whincup [ Fri May 14, 2010 10:11 am ] |
| Post subject: | installing new airbox; not sure what to do with vacuum hose |
my cousin has an airbox set up for high airflow, he used for his turbo v6 cruiser, but couldnt supply enough air for that, but im thinking it should be more than enough for a sierra. best thing is its all completely waterproof, perfect for when i finally get a snorkel. only problem i can see is the two vacuum hoses that run to the airbox... mainly the one that runs to the side of the carby. can it be run to somewhere else, am i going to need to make a small hole in the airbox, or is there nothing i can do but to leave the stock airbox in place.... |
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| Author: | royce [ Fri May 14, 2010 10:44 am ] |
| Post subject: | Re: installing new airbox; not sure what to do with vacuum hose |
that was just for the switch over in cold weather on the stock airbox, pull it off and plug it at the manifold |
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| Author: | whincup [ Fri May 14, 2010 12:20 pm ] |
| Post subject: | Re: installing new airbox; not sure what to do with vacuum h |
which one? theres one that joins from the airbox to the junction connecting the two intakes, and theres the one that wraps around the airbox and connects to the carby or intake manifold, one of them, cant remember off top of my head... |
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| Author: | Scrawny [ Fri May 14, 2010 9:22 pm ] |
| Post subject: | Re: installing new airbox; not sure what to do with vacuum h |
It's all part of the same system. Plug it at the manifold as suggested and pull it all out |
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| Author: | whincup [ Sat May 15, 2010 1:58 pm ] |
| Post subject: | Re: installing new airbox; not sure what to do with vacuum h |
really?... it idles really rough if i pull the one off the manifold... so plugging it will make it run smooth? il have to try this... thanks! |
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| Author: | steak_knife [ Sat May 15, 2010 9:24 pm ] |
| Post subject: | Re: installing new airbox; not sure what to do with vacuum h |
whincup wrote: really?... it idles really rough if i pull the one off the manifold... so plugging it will make it run smooth? il have to try this... thanks!
It run's rough because you've just made a huge vacuume leak, plugging it will fix said leak, making it run properly. |
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| Author: | whincup [ Sat May 15, 2010 11:28 pm ] |
| Post subject: | Re: installing new airbox; not sure what to do with vacuum h |
ok. i just assumed that with the one way valve there in the hose it would act as a plug assuming nothing was making any suction from the end pulled off the airbox... |
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