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Mechanical Boost Gauge installed

DerangedPony

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I finally got around to installing my boost mechanical boost gauge. The only other mods on the truck are aFe intercooler pipes and a Turbosmart BOV. The biggest pain was going through the firewall and getting the wires and tube up to where I mounted the gauge. I had to go across the bottom of the dash over to the passenger side and then up.




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daniel3507

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I do miss the aeroforce interceptor I had in the f150. The boost gauge was always fun. I just wish there were better places to put a gauge in the Rangers.
 
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DerangedPony

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I do miss the aeroforce interceptor I had in the f150. The boost gauge was always fun. I just wish there were better places to put a gauge in the Rangers.
Yeah, something on the A-pillar would be much better. I wish I could have the current install face me a little more but there is no room. I can still see the whole thing so it's not a huge deal.
 

Dr. Zaius

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Nice work!

That looks like you're hitting 22psi.

Are you stock or tuned?
 
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DerangedPony

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Nice work!

That looks like you're hitting 22psi.

Are you stock or tuned?
Stock tune. Just aFe pipes and Turbosmart BOV. BTW, boost reference is being pulled right after the intercooler.
 


u wish u could ride

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very nice.what rpms does the boost really kick in ? is it amount of throttle that does it or how fast you hammer it? and can you sorta control the amount of boost by feathering the pedal?
 
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DerangedPony

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very nice.what rpms does the boost really kick in ? is it amount of throttle that does it or how fast you hammer it? and can you sorta control the amount of boost by feathering the pedal?
I'll have to drive it a little more to see what RPM but sure seems like it's all in at 3000 RPM at least. It really is the amount of throttle that determines boost. The first time I was testing and went up that hill I put a load on the engine like half throttle to the point it did not downshift and it sat around 12 psi. So, it is controllable but you wont see the 20+ psi until you stomp on it.

I was also surprised by the 22ish psi stock. I disconnected the battery during the install so I'll drive it some more to see if that changes. It's either that or it could be the fact that it's a mechanical gauge compared to pulling boost from the MAP sensor that electronic gauges use.
 

u wish u could ride

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I'll have to drive it a little more to see what RPM but sure seems like it's all in at 3000 RPM at least. It really is the amount of throttle that determines boost. The first time I was testing and went up that hill I put a load on the engine like half throttle to the point it did not downshift and it sat around 12 psi. So, it is controllable but you wont see the 20+ psi until you stomp on it.

I was also surprised by the 22ish psi stock. I disconnected the battery during the install so I'll drive it some more to see if that changes. It's either that or it could be the fact that it's a mechanical gauge compared to pulling boost from the MAP sensor that electronic gauges use.
so when im driving a 75/80 mph at 2200 rpms theirs really really no boost behind it? the 4 banger is pulling me along with the 10 speed on its own ?
 

2000rpm

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Where is the boost pressure tapped from? Looks like you never get vacuum while you were driving. I'd expect a vacuum on idle or deceleration from a gas turbo truck.
 
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DerangedPony

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so when im driving a 75/80 mph at 2200 rpms theirs really really no boost behind it? the 4 banger is pulling me along with the 10 speed on its own ?
Again, I'll have to drive it a little more but, it seems, if you are driving on a flat Hwy with cruise control, yes, you may not see boost at all.

Where is the boost pressure tapped from? Looks like you never get vacuum while you were driving. I'd expect a vacuum on idle or deceleration from a gas turbo truck.
So, I was thinking the same thing. The port is in the intercooler tube right after the intercooler. I'll have to take a pic tomorrow. IDK, if it won't read vacuum because it is in front of the throttle body? I'm going to look tomorrow but if there was a leak, I think I'd see issues with it displaying boost?
 

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Where is the boost pressure tapped from? Looks like you never get vacuum while you were driving. I'd expect a vacuum on idle or deceleration from a gas turbo truck.
Yeah, I'm running the Torque app through my OBDII port and I see about -7 to -8 PSI at idle when warm. -1 to +3 at highway speeds on flat roads and not pulling my trailer. I have pulled +20 on a WOT on ramp pull in Drive, with a completely stock setup. elevation changes will make it float around quite a bit due to engine load and throttle position. Kind of fun to watch.
 

Big Blue

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So, I was thinking the same thing. The port is in the intercooler tube right after the intercooler. I'll have to take a pic tomorrow. IDK, if it won't read vacuum because it is in front of the throttle body? I'm going to look tomorrow but if there was a leak, I think I'd see issues with it displaying boost?
Your probably right about the throttle body. the OBDII is I think using the MAP sensor and barometric pressure to calculate vacuum/boost pressure
 

Frenchy

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Again, I'll have to drive it a little more but, it seems, if you are driving on a flat Hwy with cruise control, yes, you may not see boost at all.



So, I was thinking the same thing. The port is in the intercooler tube right after the intercooler. I'll have to take a pic tomorrow. IDK, if it won't read vacuum because it is in front of the throttle body? I'm going to look tomorrow but if there was a leak, I think I'd see issues with it displaying boost?
Because of the placement you chose it will not read vacuum. In order to rea both boost and vacuum you will need to have it ported behind the throttle body somehow and it is possible someone could have an adaper to make it work.
 
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DerangedPony

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Because of the placement you chose it will not read vacuum. In order to rea both boost and vacuum you will need to have it ported behind the throttle body somehow and it is possible someone could have an adaper to make it work.
Ok, that's what I thought. Thank you for verifying. I'm good the way it is but we'll see what happens down the road.
 

Frenchy

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Ok, that's what I thought. Thank you for verifying. I'm good the way it is but we'll see what happens down the road.
If you ever decide to change it turbosmart has an adaptor. The part number is TS-0720-1001. Looks like a bolt in deal that is reversible if needed. All you have to do is remove the map sensor on the intake manifold and install the adaptor in its place. After that the map sensor is installed on the adaptor. Cost $44.99 straight from Turbosmart. Your call but there is an option for those wondering.
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