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Installing a Fuel Pressure Gauge

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Old Apr 22, 2004 | 11:15 AM
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TampaBlack99's Avatar
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Installing a Fuel Pressure Gauge

Here is a pic of some of the things you will need to connect the fuel pressure sendor to the fuel rail. This stuff's not cheap and be prepared to be out a few bucks. Sorry, I don't have parts number but these pics should give you a good idea what is needed.


 
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Old Apr 22, 2004 | 11:35 AM
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What in the hell kind of fuel pressure gauge are you hooking up??? I didn't need any of that when I did my AutoMeter gauge...some split loom, shrink wrap and a soldering iron and liquid thread sealant and it works just fine. The L's motor doesn't turn high enough RPM's or vibrate enough to justify the expense of mounting the fuel pressure sender remotely instead of directly on the fuel rail.
 
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Old Apr 22, 2004 | 01:24 PM
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it looks like he is remote mounting the sender.

I didn't do mine like that, I just screwed it onto the fuel rail with the one fitting/adapter.

BUT... autometer has had PLENTY of trouble with their electronic fuel pressure sending units. they have had several recalls on them.

I've even had some troubles with my brand new one (only been on the truck for like a month) stuck on ZERO fuel pressure at startup and stayed there for my entire morning drive to work. but worked fine when I drove to lunch? and then while I was watching the fuel pressure on a dyno run a few weeks ago, I noticed it wasn't moving during one of my runs. it was just stuck at like 38psi. next run, worked fine.

it doesn't inspire much confidence in a potentially important piece of equipment when you can never tell if it's working accurately or not!

anyway, back to the original post, autometer recommends doing what tampa is doing. they say you should remote mount the sender to avoid vibration and such. not a bad idea.

later,
chris
 

Last edited by superfords; Apr 22, 2004 at 01:27 PM.
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Old Apr 22, 2004 | 03:35 PM
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Glad to see I'm not the only one that reads directions.
 
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Old Apr 22, 2004 | 04:12 PM
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I have had no problems with my rail mounted senders, I have had them on 4 different vehicles over the last several years with two of them being L's.

I dont use Autometer products though <shrug>

Bob
 
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Old Apr 22, 2004 | 07:25 PM
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I've got no problems with my Autometer fuel pressure sending unit mounted directly on my fuel rail. And yes, I did read the directions when I installed it, no way the L has enough vibration to warrant remote mounting the sending unit. The hardest part was finding an adapter to make it fit, I had to have one specially made.
 
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Old Apr 22, 2004 | 08:33 PM
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Directly from AutoMeter's directions...

"If unit is to be installed on a high vibration application such as a full race engine or engine capable of high RPM, it is strongly recommended that the sender be remote mounted to either the fenderwell or firewall, to insulate from vibration. Failure to remote-locate pressure senders on such an application could result in gauge failure and potential damage to vehicle and /or operator injury. Braided stainless steel lines are sold separately by Auto Meter, and can be used to accomplish this."

Ahhh...some of us not only read directions but call the vendor if we have questions. Like, "Should I remote mount my fuel pressure sender...I've got an '01 Lightning?" AutoMeter's answer, for what it's worth, was no (they said that there shouldn't be enough vibration from the motor to warrant the added costs of remote mounting). But the braided will look nice along with all of your other goodies!

I'll still give you the big thumbs up for going to both the hassle and expense!
 

Last edited by Struck in AZ; Apr 22, 2004 at 08:36 PM.
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Old Apr 23, 2004 | 09:34 AM
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Ohhh SNAP, I get burned!

My engine does seems to shack alot, it's mainly due to my idle being so low (just above 500). So remote locating the sender will probably be best for me until my new IAC valve comes in the mail.

The steel braided line does look cool and I recently picked up steel braided intercooler lines from a parted out 03Harley motor that will go perfect with the fuel line.

Thanks for setting me straight!
 
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Old Apr 23, 2004 | 10:37 AM
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Originally posted by TampaBlack99
Ohhh SNAP, I get burned!

Thanks for setting me straight!

you dummy







































 
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Old Apr 23, 2004 | 10:53 AM
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Don't make me tell the story about you lossing tools in your engine bay

Where did that socket wrench go? How come there's a huge hole in my hood?
 
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Old Apr 23, 2004 | 12:50 PM
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it would have been real bad, if you remember where I found the damn thing...it was between two pullies... glad I didnt start it... I have since a bought new socket set...those el' cheapo ones fall off a lot
 
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