Guage question
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Senior User
Joined: Apr 2009
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Guage question
A pillar guages VS. Dash computer (DashHawk,Edge insight,and like products)
Any recomendations? Is one more accurate than the other? Any advice?
Seems that the dash computers working off the OBDII would leave no room for error,but will it give me accurate EGT,Boost,and fuel pressure readings?
A pillars have been around forever..... Tried And True.....
Any help/input appreciated!!
Any recomendations? Is one more accurate than the other? Any advice?
Seems that the dash computers working off the OBDII would leave no room for error,but will it give me accurate EGT,Boost,and fuel pressure readings?
A pillars have been around forever..... Tried And True.....
Any help/input appreciated!!
Hotshot
Joined: Dec 2003
Posts: 15,369
Likes: 121
From: Stuttgart, Ar
NONE of them will give you EGT and fuel pressure without plumbing them in manually as there are no sensors. Boost is read of the MAP sensor and is subjective unless you tap into the boost elbow at the intake manifold. IMHO it's personal preference. I think technology is good enough that there's virtually no difference since there's error in all of them.
Post Fiend
Joined: Oct 2005
Posts: 10,626
Likes: 7
From: Plano TX and Brentwood TN
NONE of them will give you EGT and fuel pressure without plumbing them in manually as there are no sensors. Boost is read of the MAP sensor and is subjective unless you tap into the boost elbow at the intake manifold. IMHO it's personal preference. I think technology is good enough that there's virtually no difference since there's error in all of them.
What he said. I use both analog and OBD-II gauges and the gauges that I have tested between the two had negligible(if any) differences in their readings. It comes down to budget and preference(sometimes those don't end up being the same things).
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Senior User
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After a little noodeling I think the analog mechanical guages are the best fit for me,but have a few more questions .....
The big 3 seem to be boost,egt,and trans temp. I have the factory high/low for trans temp on the dash would I be better putting a fuel pressure guage in the 3rs spot on the pillar along with boost & egt, what's the benefit to monitoring fuel pressure Vs. Having an actual trans temp reading?
And the big question is where do you get the most acurate reading (where do you plumb) for each (boost,egt,trans temp.,fuel pressure)?
Thanks guys!
The big 3 seem to be boost,egt,and trans temp. I have the factory high/low for trans temp on the dash would I be better putting a fuel pressure guage in the 3rs spot on the pillar along with boost & egt, what's the benefit to monitoring fuel pressure Vs. Having an actual trans temp reading?
And the big question is where do you get the most acurate reading (where do you plumb) for each (boost,egt,trans temp.,fuel pressure)?
Thanks guys!
Post Fiend
Joined: Oct 2005
Posts: 10,626
Likes: 7
From: Plano TX and Brentwood TN
The big 3 seem to be boost,egt,and trans temp. I have the factory high/low for trans temp on the dash would I be better putting a fuel pressure guage in the 3rs spot on the pillar along with boost & egt, what's the benefit to monitoring fuel pressure Vs. Having an actual trans temp reading?
Elbow, exhaust manifold, test port and I have no idea for the stock system
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Senior User
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Good copy! Thanks for the input!! I mispoke I meant el. Guages!! Another question...... What will the fuel pressure guage help me diagnose and/or monitor? If I'm gonna do the guages I want em all at once but don't nesc. Want all the guages just cause I can get them..... If it's relavent and something that'll help me out I'm all in!!
Thanks again!!
Thanks again!!
Post Fiend
Joined: Oct 2005
Posts: 10,626
Likes: 7
From: Plano TX and Brentwood TN
Well, it helped me know that my fuel pump was going out. It will help you with loss of power issues, either bad fuel pump or maybe the filters etc. It would help narrow things down I think. Also our trucks are very fond of fuel, so it helps make sure that the beast is taking care of.
I am not one that is fond of just waiting for the computer to tell me when something is wrong unlike a few people that are on here like to do.
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Cargo Master
Joined: Jan 2009
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From: Lubbock
If I had the money I would have gotten a 4 pillar set up. With fuel pressure. I got isspro egt, tranny and boost. It is possible to tap into the map line but since you are going to have to tap for egts it is not a big deal to tap the intake ell. What I will most likely do now is eventually get a 4 pod pillar for fuel then run a edge insight or simillar digital gauge to get the coolant temp and oil temp. I will most likely be getting a gt mustang in a few months and if they finally get the ficm tuning worked out I might go the phalanx route for tuning and digital monitor and use my xca2 for the mustang.
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Hotshot
Joined: Jul 2005
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From: Middle Tn.
Well, it helped me know that my fuel pump was going out. It will help you with loss of power issues, either bad fuel pump or maybe the filters etc. It would help narrow things down I think. Also our trucks are very fond of fuel, so it helps make sure that the beast is taking care of.
In that case, I would also add ECT and/or EOT gauges as to help let you know when you get up to operating temp or let you know if your truck is working to hard. There are pro and con arguments for both so it really just depends on which one you get more understanding from. The biggest pro for having both of them is that there is a relationship(in degrees) between the two and if there are huge fluctuations between the two that might help throw red flags that something could be amiss as well.
I am not one that is fond of just waiting for the computer to tell me when something is wrong unlike a few people that are on here like to do.
In that case, I would also add ECT and/or EOT gauges as to help let you know when you get up to operating temp or let you know if your truck is working to hard. There are pro and con arguments for both so it really just depends on which one you get more understanding from. The biggest pro for having both of them is that there is a relationship(in degrees) between the two and if there are huge fluctuations between the two that might help throw red flags that something could be amiss as well.
I am not one that is fond of just waiting for the computer to tell me when something is wrong unlike a few people that are on here like to do.
Post Fiend
Joined: Oct 2005
Posts: 10,626
Likes: 7
From: Plano TX and Brentwood TN
That's true. They don't have enough fuel to cushion them and that could led to atleast cracked nozzles.
Posting Guru
Joined: Jan 2009
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From: Mattawa Washington.
Well, it helped me know that my fuel pump was going out. It will help you with loss of power issues, either bad fuel pump or maybe the filters etc. It would help narrow things down I think. Also our trucks are very fond of fuel, so it helps make sure that the beast is taking care of.
In that case, I would also add ECT and/or EOT gauges as to help let you know when you get up to operating temp or let you know if your truck is working to hard. There are pro and con arguments for both so it really just depends on which one you get more understanding from. The biggest pro for having both of them is that there is a relationship(in degrees) between the two and if there are huge fluctuations between the two that might help throw red flags that something could be amiss as well.
I am not one that is fond of just waiting for the computer to tell me when something is wrong unlike a few people that are on here like to do.
In that case, I would also add ECT and/or EOT gauges as to help let you know when you get up to operating temp or let you know if your truck is working to hard. There are pro and con arguments for both so it really just depends on which one you get more understanding from. The biggest pro for having both of them is that there is a relationship(in degrees) between the two and if there are huge fluctuations between the two that might help throw red flags that something could be amiss as well.
I am not one that is fond of just waiting for the computer to tell me when something is wrong unlike a few people that are on here like to do.
Post Fiend
Joined: Oct 2005
Posts: 10,626
Likes: 7
From: Plano TX and Brentwood TN
ECT= Engine Coolant Temp.
EOT= Engine Oil Temp.
Either one can be used to determine when the truck is at operating temp. I suggest both because EOT is ~15 degrees warmer then ECT, so if you get wild variations between the two that can help let you know when something is amiss.
ECT there is a spot for it in the block. I'm actually pulling EOT from the computer and it does follow that ~15 degree guideline, so I don't have a reason to try to probe for that, so I don't know the best location for that.
EOT= Engine Oil Temp.
Either one can be used to determine when the truck is at operating temp. I suggest both because EOT is ~15 degrees warmer then ECT, so if you get wild variations between the two that can help let you know when something is amiss.
ECT there is a spot for it in the block. I'm actually pulling EOT from the computer and it does follow that ~15 degree guideline, so I don't have a reason to try to probe for that, so I don't know the best location for that.
Cargo Master
Joined: May 2006
Posts: 2,116
Likes: 6
From: Florida
Boost:remove intake elbow ,drill then tap cab side of elbow
Trans temp: remove test port plug and install sender this is drivers side of trans (you are looking toward front of truck)
Water temp: remove plug in engine block (be quick and have everything ready to go before backing all the way out can you say coolant bath LOL!) this picture was taken looking up at engine drivers side. (note you can see the egt probe to the lower left of pic)
EGT: this is the most difficult of the four I installed. It requires drilling the exhaust manifold tapping and installing the probe (note the band clamp was not necessary but i placed it as extra insurance)some people will advise you to remove exhaust manifold so the shavings don't go into the turbo ,but i was comfortable vaccuming out the shavings.
hope this helps, i did not install fuel pressure but plan to.
Cargo Master
Joined: Jan 2009
Posts: 2,769
Likes: 8
From: Lubbock
When you tap the intake elbow the best method is to lay out your tubing to see where it will line up. Try to stay clear or any hot surfaces. Put a mark with a pen or a sharpie. Then when you remove the intake elbow you will have your spot. Tapping the intake is pretty easy. The only thing that might be difficult it tapping the exaust manifold given the positioning under the truck. There is a flat spot on the manifold that works well. Make sure you get the correct drill bit and tap. Also when wiring up the gauges you can shoot over to diesel manor they have a great install guide with pictures. You only need one power and ground for the lighting on all the gauges