Forced Induction Custom FI Setup Questions

Vacuum Sources?

Old Nov 16, 2004 | 04:21 PM
  #1  
93hatchdx's Avatar
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Default Vacuum Sources?

i finally have purchased all my turbo parts, except a few small things. but, i need help with where all the vacuum sources are. first, where does the vacuum off the bov go? and, in my wastgate's instructions it says the top port may be plugged with a filtered vent or connected to the air intake system after the filter. and the bootom port maybe connected to any convenient manifold pressure source, such as compressor discharge or intake manifold plenum, but this line shall not be tee'd for any other function. by the way this is a turbonetics evolution wastegate. so what goes where and i do have a manual boost controller so where does this tee at and where does my boost gauge tee in at? and, i am using an fmu right now so the vacuum off that is is tee'd with the fpr. heellp!
Old Nov 16, 2004 | 04:37 PM
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Default Re:Vacuum Sources?

look for 2 5/16" id rubber hoses comming from the top of the manifold. one's for the pcv and the other for the charcoal emissions cannister filter. buy some 5/16" to 1/4" plastic Ts' and T off those sources. connect the WG to the PCV and the boost gauge and BOV to the charcoal emissions filter. use the black rubber vaccuume hoses from the auto parts, not the ricey colored ones, they suck and slip off. clamp down the hoses w/small hose clamps.
Old Nov 16, 2004 | 06:55 PM
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Default Re:Vacuum Sources?

those could be the only two parts of a hinda ive never heard of(no njot really), but where are those located at?? which is which?
Old Nov 16, 2004 | 08:15 PM
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Default Re:Vacuum Sources?

the pcv is under the fuel rail and the charcoal emissions is mounted on the firewall. just look for 2 larger hoses comming outta the intake manifold. start up your car and disconnect one of those hosses while the car is running so you can see that there's vaccuume in it. it won't mess anything up.
Old Nov 16, 2004 | 08:44 PM
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Default Re:Vacuum Sources?

if you want to do less tee'ing you can pick up an air manifold for air compressors and tee of the brake booster as main source.
Old Nov 17, 2004 | 05:27 PM
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Default Re:Vacuum Sources?

Originally Posted by djfob
if you want to do less tee'ing you can pick up an air manifold for air compressors and tee of the brake booster as main source.
Got any pics of it?
Old Nov 17, 2004 | 06:00 PM
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Default Re:Vacuum Sources?

Originally Posted by oxsleeperxo
Originally Posted by djfob
if you want to do less tee'ing you can pick up an air manifold for air compressors and tee of the brake booster as main source.
Got any pics of it?
all you need are 2 plastic Ts', much easier and less expensive then a manifold. also, your wastegate and BOV lines will be atleast 2 1/2' shorter if you T off the intake manifold then at the brake booster.
Old Nov 17, 2004 | 07:19 PM
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Default Re:Vacuum Sources?

Originally Posted by oxsleeperxo

Got any pics of it?
The air manifold cost me a whole 5 bucks cdn...it's not too pretty but it does the trick and yes my engine bay is dirty :P

Old Nov 17, 2004 | 08:04 PM
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Default Re:Vacuum Sources?

that one doesn't look bad at all. the thing is that the vacuume hoses seem to get much longer using a vac manifold.
Old Nov 17, 2004 | 08:28 PM
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Default Re:Vacuum Sources?

ya best thing to do is get a vaccum block and tap it from the brake booster.

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