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Supercharger vacuum lines relocation
Posted: Sun May 27, 2018 3:54 pm
by Pre_luda_Chris
Help Prelude bretheren!
So with the new intake unit installed the vaccumed lines have to go somewhere... Do I need all of them, do I have to T join them somewhere? My mechanic has never done one of these before.
I have 5 vacuumed lines that drew from the intake before hand.
What to do?
I would like to keep as much running and in use as possible.
Thanks




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Re: Supercharger vacuum lines relocation
Posted: Sun May 27, 2018 5:12 pm
by Pre_luda_Chris
These are the 5 lines
There are spare nipples I'm guessing input and out of the idle or for air temp sensor?
So any help would be appreciated

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Posted: Sun May 27, 2018 8:02 pm
by RattyMcClelland
Do you not have the jrsc installation manual?
The first picture it sick air intake resonator control. Ditch that.
The second picture is the brake booster. That goes at the very back of the supercharger and is out of sight.
The test is difficult to see. The map sensor line needs extending to one of the 4 nipples. Another nipple goes to the fuel pressure regulator and the 2 other nipples get capped off.
The coolant and iacv routing is where it gets confusing.
Re: Supercharger vacuum lines relocation
Posted: Sun May 27, 2018 8:59 pm
by Pre_luda_Chris
RattyMcClelland wrote:Do you not have the jrsc installation manual?
The first picture it sick air intake resonator control. Ditch that.
The second picture is the brake booster. That goes at the very back of the supercharger and is out of sight.
The test is difficult to see. The map sensor line needs extending to one of the 4 nipples. Another nipple goes to the fuel pressure regulator and the 2 other nipples get capped off.
The coolant and iacv routing is where it gets confusing.
Massive help thanks dude I was trying to read up on your build to get some info.
Lots of nitin love comments lol
So the brake line one goes round the back you say.
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Re: Supercharger vacuum lines relocation
Posted: Sun May 27, 2018 9:14 pm
by Pre_luda_Chris
So pic #3 runs behind the SC and pops out near the belts
#4 is attached to the throttle bracket
#5 I'm guessing is the long one you said goes on one of those nipples
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Re: Supercharger vacuum lines relocation
Posted: Sun May 27, 2018 9:17 pm
by Pre_luda_Chris
Can I not simply plug each on to the nipples and then make a connection point for the brake servo (if it doesn't already have one)
Or are the nipples output input specific?
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Posted: Sun May 27, 2018 9:59 pm
by RattyMcClelland
Pre_luda_Chris wrote:Can I not simply plug each on to the nipples and then make a connection point for the brake servo (if it doesn't already have one)
Or are the nipples output input specific?
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No every connection is very specific. You have to make custom hoses and vacuum lines.
On the firewall side of the supercharger there is a place for the brake booster to go.
Posted: Sun May 27, 2018 11:46 pm
by nitin_s1
Pre_luda_Chris wrote:Lots of nitin love comments lol
If there is no nitin love comments in his thread then it’s not legit

Re: Supercharger vacuum lines relocation
Posted: Mon May 28, 2018 10:34 pm
by Pre_luda_Chris
RattyMcClelland wrote:Do you not have the jrsc installation manual?
The first picture it sick air intake resonator control. Ditch that.
The second picture is the brake booster. That goes at the very back of the supercharger and is out of sight.
The test is difficult to see. The map sensor line needs extending to one of the 4 nipples. Another nipple goes to the fuel pressure regulator and the 2 other nipples get capped off.
The coolant and iacv routing is where it gets confusing.
Do you have a copy of the installation manual... What does it advise for each of the vacc lines?
And when you say messy, how kind of messy lol?
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Posted: Tue May 29, 2018 12:03 am
by RattyMcClelland
It's quite simple. You have it pretty much setup.
The large breaker boost goes into these back of the charger. You can't miss it. Right against the firewall.
Then the 4 smaller nipples. 2 are capped off the other 2 are the map sensor on the throttle body and the other is the fuel pressure regulator that sits next to the iacv.