Fuel pressure gauge
Lead Driver
Joined: Jun 2003
Posts: 8,298
Likes: 25
From: Damon (South East Texas)
Look here: Replacement O-rings for Diesel Engines This is the adaptor you'll need to install the sender.
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Posting Guru
Joined: Feb 2004
Posts: 1,873
Likes: 1
From: Phx, AZ
I was thinking the top one was best for me. Just wondering if anyone had pics of their senders in the port. Looking at mine I am thinking I need the 90degree elbow fitting from RiffRaff
Lead Driver
Joined: Jun 2003
Posts: 8,298
Likes: 25
From: Damon (South East Texas)
Platinum Pete was installing one today, but didn't have the adaptor fitting like the one I linked to. He will be getting the adaptor on Monday. Maybe he can send you a pic when he's finished with his install. I'm sure someone else has a pic somewhere, but I can't think of them.
Post Fiend
Joined: Sep 2006
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From: Millbrook Alabama
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Posting Guru
Joined: Sep 2007
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From: Knoxville, TN
Here is a picture from Diesel Manor
That shows the bottom port on the passenger side. When I installed mine in the fuel bowl, I used the top port on the driver side. Just take the plug out with an allen wrench and then install the adapter.
That shows the bottom port on the passenger side. When I installed mine in the fuel bowl, I used the top port on the driver side. Just take the plug out with an allen wrench and then install the adapter.
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Post Fiend
Joined: Nov 2007
Posts: 9,549
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From: Payson, AZ
The reason the passenger side port is used is that it is post-filter and is the pressure that is going to the heads. The
other port is pre-filter and reads return pressure. If the filter is restricted couldn't the return pressure still read good
but the pressure to the heads could be lower? I have often wondered about this.
I personally have the sender reading the fuel pressure at a tee in a CCK sytem where the fuel return lines from each head join.
other port is pre-filter and reads return pressure. If the filter is restricted couldn't the return pressure still read good
but the pressure to the heads could be lower? I have often wondered about this.
I personally have the sender reading the fuel pressure at a tee in a CCK sytem where the fuel return lines from each head join.
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Posting Guru
Joined: Feb 2004
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From: Phx, AZ
The reason the passenger side port is used is that it is post-filter and is the pressure that is going to the heads. The
other port is pre-filter and reads return pressure. If the filter is restricted couldn't the return pressure still read good
but the pressure to the heads could be lower? I have often wondered about this.
other port is pre-filter and reads return pressure. If the filter is restricted couldn't the return pressure still read good
but the pressure to the heads could be lower? I have often wondered about this.
Any thoughts?
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
Tht being said....I think I will put and in cab Fuel pressure gauge so I can see the numbers at idle and while driving. (here comes gauge # 12) sender in the lower passenger side port. and do an under the hood gauge in the upper drivers side port. Then I will be able to see the FP at idle when under the hood doing something. And I can also compare idling pressures between the two gauges and see how much my is causing in FP changes. plus have a baseline and know when I need to change the filter by FP drop over time.
Any thoughts?
Any thoughts?
It would be interesting to see if over time and the fuel filter is getting a bit dirty if you can see a difference between pre and post filter pressure.
Snowboard season cometh..
Joined: Jan 2006
Posts: 5,406
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From: Gulf Coast of Florida
How about this: put electronic senders on both ports, run the wiring to a SPST switch with one side labeled "pre" and the other "post". Then from the switch, go to your elecronic gauge inside the cab. You could then also have taps or "quick disconnects" under hood so that you could tap in a 2nd electronic gauge while working under hood. This way, you could have both readings, in both locations.
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Posting Guru
Joined: Feb 2004
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From: Phx, AZ
How about this: put electronic senders on both ports, run the wiring to a SPST switch with one side labeled "pre" and the other "post". Then from the switch, go to your elecronic gauge inside the cab. You could then also have taps or "quick disconnects" under hood so that you could tap in a 2nd electronic gauge while working under hood. This way, you could have both readings, in both locations.
Post Fiend
Joined: Sep 2006
Posts: 5,584
Likes: 0
From: Millbrook Alabama
How about this: put electronic senders on both ports, run the wiring to a SPST switch with one side labeled "pre" and the other "post". Then from the switch, go to your elecronic gauge inside the cab. You could then also have taps or "quick disconnects" under hood so that you could tap in a 2nd electronic gauge while working under hood. This way, you could have both readings, in both locations.
