I'm thinking of installing the Isspro R17033 RV2 fuel pressure gauge (electric) and the bullet mount.  I know they offer a mechanical gauge and perhaps its more accurate, but I like the idea of an easy install and no chance of fuel coming in the cab.  I'm also looking at the Vulcan big line filter to vp44 kit.  I have read Mopar1973Man's article for this install and look to do just the same, however I have few questions for those already having done this mod before:

 

Is there a need for 1/2" over 3/8" big line kit?  Depending on the condition of the stock in-tank pump, an Air Dog or Fass would be in the future with its big line kit.

 

Is there a need to have both a shut off valve and snubber?

 

Is the distance from the big line kit to the fender too short to eliminate fuel hammer?

 

Is it just as easy and more durable to use fuel hose over air brake line to connect to the sender unit?  (Thinking back to the days of my youth using copper over plastic line for oil pressure gauge installs.)

 

This is the big one:

 

How did you wire this gauge to the factory wiring harness without a bunch of splices or a spider web of connections?  I'd like to have the lighting dim with the dash if possible, but won't fuss if that's a bunch of aggravation for not much gain.

 

I'd like to keep it a clean (near factory looking) install and probably won't add anything later unless I go with a Westach egt/boost combo gauge (stock ETH so really no hurry).

 

Thanks for any ideas and help!!

What air line fittings are being used for the gauge senders?

8 hours ago, gipperkid said:

What air line fittings are being used for the gauge senders?

Sfandard compresion fittings for me.

Same here...standard compression fitting with ferrel. 

PTC fittings. Push To Connect fittings.

 

No ferrels, no compression nut. PTC are seal sealing and work very well for low pressure applications. 

 

 

Reusable. If there is any tubing problems you can just simply push the collar back to release the tubing. Not you can trim off the bad part or just replace. Push the tubing back in and it self seals and locks.

Edited August 14, 20195 yr by Mopar1973Man

Those kinda worry me on an mechanical gauge with no isolator setup...the compressions just seem much more reliable to me.  I had push fittings on my air bags and couldn't get them to stop leaking.  90lbs when I parked the truck at night...10lbs in the next morning. 

3 minutes ago, Bullet said:

Those kinda worry me on an mechanical gauge with no isolator setup...

 

I'm the reverse I've had plenty of compression fittings and tubing fails in my past and not having a means of replacing the ferrel and getting the line hooked back up. End up heat the end of the tubing and crushing the plastic shut to get home a few times. Then find out the local stores don't have the right ferrel for your setup. End up changing fitting because of a change of ferrels. 

Edited August 14, 20195 yr by Mopar1973Man

1 minute ago, Mopar1973Man said:

Then find out the local stores don't have the right ferrel for your setup. End up changing fitting because of a change of ferrels. 

Yeah I've ran into that one before.  Not all ferrels will work in all compression fittings.  I was trying to piece one together out of the messy drawer at the hardware store and mismatched one brand fitting with another brand ferrel...not a good result.  I would have never known if the hardware store guy didn't explain that to me on the second trip.  The more you know... 

6 hours ago, Bullet said:

Yeah I've ran into that one before.  Not all ferrels will work in all compression fittings.  I was trying to piece one together out of the messy drawer at the hardware store and mismatched one brand fitting with another brand ferrel...not a good result.  I would have never known if the hardware store guy didn't explain that to me on the second trip.  The more you know... 

 

Quick fix... If you have a flat/tapered ferrel. You can use a double taper ferrel. The trick is managing to file one side down flat. but not too much because to much filing will make it to the point you can compress the ferrel ino the tubing. Still can damage your tubing again doing this. 

 

This is why I fell in love with PTC fittings. I got all metal PTC fittings and so far 6 years and still going strong and leak free. I got the fitting from NAPA.

Edited August 14, 20195 yr by Mopar1973Man

3 hours ago, Mopar1973Man said:

Quick fix... If you have a flat/tapered ferrel. You can use a double taper ferrel. The trick is managing to file one side down flat. but not too much because to much filing will make it to the point you can compress the ferrel ino the tubing. Still can damage your tubing again doing this. 

Mental note made on that...

I really need to put a e guage in my Piller for this sigh lol I run a sump half inch line to air dog half inch return to sump half inch to motor fps in top of airdog on port reading way over recommended pressure but all good lol 2 years of super high pressure

So far I've had zero issues with my ISSPro EV2 gauge or pressure sensor. Very good gauge as long as the pressure sensor is NOT at the tap point. I've got the 5 foot of air brake line from the snubber then the sensor.

Just got a mechanical Isspro from DAP arrived in 3 days to the UK just going to pipe it and be done for a bit... I have a local supplier I use looking for a 1/8th NPT needle valve.... FP more important than the looks

Well I run 40 to 50 psi sooooo

Your'e gonna blow your diaphram  

Bull **** 

Been over 2 years of this 

5 hours ago, Silverdodge said:

Well I run 40 to 50 psi sooooo

How long have been running those pressures?.

 

I'm worried about one of my trucks running 24-25 p.s.i. The gauge is not Isspro it's an unreliable gauge I had a shop install. My other truck has The Isspro and it tests correct. 

Over 2 years

I have seen people running p7100 type psi to the VP44 without issue.  Somebody will usually say "you'll blow the seals" or "you'll have hard starts" but I have never seen either happen.  And I wonder if the ones who say that have even ever seen it happen.  So I kinda take all that with a grain of salt.

 

One thing is for sure that @SilverdodgeVP44 is cooling itself on another level compared to people running max 20 psi VP's.  I don't run high psi is because 18-20psi has my original wire tapped VP at 205k without issue.  So I figure I would just continue to go with what has been working for me. 

13 hours ago, Silverdodge said:

Well I run 40 to 50 psi sooooo

I have the same pump. Did not know it could go that high. My latest replacement was 19 to 20 psi out of box which suits me fine.

8 hours ago, Bullet said:

Somebody will usually say "you'll blow the seals" or "you'll have hard starts" but I have never seen either happen.

 

Actually I've seen both happen. It is possible to blow the front seal and then some cases i possible to have hard starts because the timing is over advanced. There is a few members here that filled the crankcase full of fuel from a blow front seal. Then hard starts than require pulling the lift pump power. 

Edited August 23, 20195 yr by Mopar1973Man