Fuel Pressure Gauge Install
#1
Thread Starter
Joined: Jan 2006
Posts: 16,282
Likes: 438
From: Huntsville, AL
Just installed some new gauges today for fuel pressure and boost.


Whats the easiest way to run the boost hose and fuel pressure wires to the engine bay? They arent long enough to go down the bottom and back up, so I need to go through the firewall somewhere, but where....
Also, what size is the schrader valve on the fuel rail?


Whats the easiest way to run the boost hose and fuel pressure wires to the engine bay? They arent long enough to go down the bottom and back up, so I need to go through the firewall somewhere, but where....
Also, what size is the schrader valve on the fuel rail?
#2
gauges look really good. what line of autometer are those and what wideband is that. for the firewall i just used the hole that was drilled for my amp wires. i drilled it out some more with a uni bit and inserted a grommet to kepp the wires from getting messed up
#3
Joined: Apr 2004
Posts: 16,820
Likes: 2
From: In a van DOWN BY THE RIVER
Here are 2 of them to choose from, one you still have access to bleed the rail if need be.
http://www.casperselectronics.com/st...x=0&search.y=0
http://www.casperselectronics.com/st...roducts_id=963
Look back to the right of the engine cover.. There is a bare spot on the wall.. That is where I went through with the boost line, FP line(this is older pic, didn't have the FP line ran yet) But it is right next to the boost line, with rubber grommets.. A bit of a pain, but well worth it, looks good aswell..
http://www.casperselectronics.com/st...x=0&search.y=0
http://www.casperselectronics.com/st...roducts_id=963
Look back to the right of the engine cover.. There is a bare spot on the wall.. That is where I went through with the boost line, FP line(this is older pic, didn't have the FP line ran yet) But it is right next to the boost line, with rubber grommets.. A bit of a pain, but well worth it, looks good aswell..

#4
Thread Starter
Joined: Jan 2006
Posts: 16,282
Likes: 438
From: Huntsville, AL
they are the autometer "z" line, i bought them from danv. The wideband is a plx.
Where exactly in the firewall is the hole you drilled?
The links you posted are broken, but I searched last night and remember seeing a thread you posted that in. I was just trying to avoid paying $12 for a little piece of brass.
Where does that hole come out under the dash?
Where exactly in the firewall is the hole you drilled?
The links you posted are broken, but I searched last night and remember seeing a thread you posted that in. I was just trying to avoid paying $12 for a little piece of brass.
Where does that hole come out under the dash?
#5
Joined: Apr 2004
Posts: 16,820
Likes: 2
From: In a van DOWN BY THE RIVER
The holes come out in back of the dash board, from what i remember, it is pretty clear in that area back there, but still make sure you don't go crazy and blow through the wall with the bit... I fixed the link, but they are only showing the T now... Hey it is 16 buks, but when you need it you need it...
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#8
I've run a bunch of different things through the factory harness/grommet on the driver's side, just removed the factory electrical tape and snaked whatever through. I have wires for my air horns, the battery lead to my Infinity Basslink, and the hose for my vacuum gauge going through there, as well as some other wires. Didn't drill any holes in my firewall
#9
Thread Starter
Joined: Jan 2006
Posts: 16,282
Likes: 438
From: Huntsville, AL
I have a crap-ton of wires going through the e-brake hole to the point where there is no way to get anything else in there. Where does the main electrical come in?







