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Discussion Starter · #1 · (Edited)
My P3 Boost Gauge arrived. This does much more than just read boost though, as it's more of a "Multi-Functional Gauge". Perfect if you don't want to take up extra space. In this unboxing video I cover all the features of this multi-functional gauge, why I chose it, and what you need to properly read boost with it on our cars. Hope you guys enjoy it!

UPDATE: We now carry P3 Gauges on Driven District. You can view/purchase this exact gauge here and check out all the options available: P3 Gauges V3 OBD2 Multi-Gauge | 2017+ Fiat 124 Spider Multifunctional Boost Gauge


UPDATE (install video):
A full walkthrough install video of the P3 Multifunctional Boost Gauge. I cover where to tap for boost and parts, so this will help anyone installing any boost gauge that is not plug & play.

The video covers a lot and there are timestamps in the description to make it easy for people to jump to certain sections. Hope this helps people in the future! Shout out to @sharkcohen and @Greg for their useful posts on this forum about installing a boost gauge (mentioned in video but most may not see it (y))


UPDATE (host melted shut):
The thin/hard plastic hose that P3 supplied crimped closed...had to swap it out.

 

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Very cool. I love all the functions and data that this makes readily-accessible. Let us know how the install process is.
 
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I've been researching this unit more since you made this post and shared your video. I know there are a lot of questions out there about how certain piggy-back units play with signals and change certain parameters. This unit might help some of us demystify those variables with real data. I know many have asked in past threads about AFR/Lambda and timing, which this unit reads. Useful stuff!
 
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Discussion Starter · #5 ·
Very cool. I love all the functions and data that this makes readily-accessible. Let us know how the install process is.
Installed it yesterday and editing the install video now! Will upload it within the next few days on YouTube and update this thread with it. Wasn't too bad, just this 1 particular clamp took forever to get off (hard to access)

I go in-depth and include all the parts I sourced from Amazon for the install to work. I basically bought a bunch of parts, not knowing what will work properly, but now I have the perfect list of parts that work which I will share as well in the video for anyone else looking to tackle this install (or basically any other boost gauge that is not plug and play and needs a source for boost)

You do a great job of making videos. I can't wait until the next one.

Greg
Thank you Greg! And huge HUGE thank you for helping with the parts on what hoses, T's etc. to use!

I've been researching this unit more since you made this post and shared your video. I know there are a lot of questions out there about how certain piggy-back units play with signals and change certain parameters. This unit might help some of us demystify those variables with real data. I know many have asked in past threads about AFR/Lambda and timing, which this unit reads. Useful stuff!
Yea it's not cheap, but between the OEM vent look, keeping vent functionality, and allowing to read a ton of different things, I personally think it's worth it. I know some folks can use an iPhone app to see some of these parameters (which I plan to use as well as needed), but even with that the boost won't read accurate to my knowledge since it's through the OBD2 port which is limited. With this gauge, you can tap into a boost source so you have the correct boost reading as well as all the other things being pulled in through the OBD2 port.
 

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Discussion Starter · #6 ·
Here's a short first drive clip right after installing it. (install tutorial video should be live tomorrow, YouTube taking forever to go over the copyright claims so it's in queue):

 

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Discussion Starter · #7 ·
A full walkthrough install video of the P3 Multifunctional Boost Gauge. I cover where to tap for boost and parts, so this will help anyone installing any boost gauge that is not plug & play.

The video covers a lot and there are timestamps in the description to make it easy for people to jump to certain sections. Hope this helps people in the future! Shout out to @sharkcohen and @Greg for their useful posts on this forum about installing a boost gauge (mentioned in video but most may not see it (y))


 

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A full walkthrough install video of the P3 Multifunctional Boost Gauge. I cover where to tap for boost and parts, so this will help anyone installing any boost gauge that is not plug & play.

The video covers a lot and there are timestamps in the description to make it easy for people to jump to certain sections. Hope this helps people in the future! Shout out to @sharkcohen and @Greg for their useful posts on this forum about installing a boost gauge (mentioned in video but most may not see it (y))


Great video, Pat! Thanks for posting this, as I've been toying with picking one of these up and didn't quite know what to expect when pulling the dash. Super helpful that you posted this up. Lots of cool features on this gauge.
 
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Wow, P3 instructions have you remove the dash trim to remove the vent? That's not necessary.
 

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My P3 Boost Gauge arrived. This does much more than just read boost though, as it's more of a "Multi-Functional Gauge". Perfect if you don't want to take up extra space. In this unboxing video I cover all the features of this multi-functional gauge, why I chose it, and what you need to properly read boost with it on our cars. Hope you guys enjoy it!


UPDATE:

A full walkthrough install video of the P3 Multifunctional Boost Gauge. I cover where to tap for boost and parts, so this will help anyone installing any boost gauge that is not plug & play.

The video covers a lot and there are timestamps in the description to make it easy for people to jump to certain sections. Hope this helps people in the future! Shout out to @sharkcohen and @Greg for their useful posts on this forum about installing a boost gauge (mentioned in video but most may not see it (y))

Great Video! P3 added to the bucket list!
 

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Discussion Starter · #11 · (Edited)
UPDATE: We now carry P3 Gauges on Driven District. You can view this exact gauge here will all the options available: P3 Gauges V3 OBD2 Multi-Gauge | 2017+ Fiat 124 Spider Multifunctional Boost Gauge

If you’re not already, below are my Insta/FB and YouTube links, if you’re interested, follow/subscribe as it will also help me grow and be able to try and get more deals & products for the community! Thanks!

YouTube: https://www.youtube.com/c/DrivenDistrict
Instagram: Driven District Instagram
Facebook: Driven District
 

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That is very nice of you!
Btw I know you like mods:
I just put in the MX5things.com
Automatic window lowering unit
With key fob control
It is sold out currently but
I am sure they will restock it (maybe they have a
Waitlist?)
Install was easy hardest part was removing the door panel.
when you lower the top it lowers the windows
Put top back up and it rolls the windows fully up
( you can change the default to, after retracting the top, it will raise the window if you prefer)
They have a ~10.00 USD accessories that will allow you to raise and lower the windows using the key fob.
item worked flawlessly
I highly recommend watching site for when back in stock
Best
CDNA
Ps thx for shipping my shirt promptly!
 

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Discussion Starter · #13 ·
That is very nice of you!
Btw I know you like mods:
I just put in the MX5things.com
Automatic window lowering unit
With key fob control
It is sold out currently but
I am sure they will restock it (maybe they have a
Waitlist?)
Install was easy hardest part was removing the door panel.
when you lower the top it lowers the windows
Put top back up and it rolls the windows fully up
( you can change the default to, after retracting the top, it will raise the window if you prefer)
They have a ~10.00 USD accessories that will allow you to raise and lower the windows using the key fob.
item worked flawlessly
I highly recommend watching site for when back in stock
Best
CDNA
Ps thx for shipping my shirt promptly!
I remember checking out their site a while back...I gotta go see what else they got!

And thanks so much for grabbing a shirt, really appreciate it! :)
 

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Can you install the existing silver trim on the new gauge, or do I need to pay the extra $140 for one with the trim?
 

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Discussion Starter · #16 ·
Can you install the existing silver trim on the new gauge, or do I need to pay the extra $140 for one with the trim?
The extra $140 is if you want it delivered pre-installed in a factory vent so you just swap out the entire vent with the new one. You can also just purchase the gauge and swap it into the your own factory vent. We have all the options here: P3 Gauges V3 OBD2 Multi-Gauge | 2017+ Fiat 124 Spider Multifunctional Boost Gauge

If you choose to install the gauge in your factory vent, here are the instructions: https://www.p3gauges.com/wp-content/uploads/2019/07/MX5D-FIAS-Display-Install-Guide.pdf
 

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FWIW - I was able to install my P3 gauge without disassembling the entire gauge cluster/dash. The P3 instructions say to do so, but with the right trim tools you can actually unclip the silver trim ring and pull the vent out all at once. Then you just feed the cables through and clip in the gauge/vent.
 
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Very cool. I love all the functions and data that this makes readily-accessible. Let us know how the install process is.
So is this more accurate than a digital steering wheel that provides readouts aside from RPM lights? Example: CarbonMiata steering wheel or Galaxy?
I assume if these steering wheels connect to OBD, it should be just as accurate.
 

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It’s as accurate as your OBD2 system is. Unless you get an analog sensor, which case would be much more accurate.
 

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Discussion Starter · #20 ·
So is this more accurate than a digital steering wheel that provides readouts aside from RPM lights? Example: CarbonMiata steering wheel or Galaxy?
I assume if these steering wheels connect to OBD, it should be just as accurate.
If you're tuned and running over 22-23psi then OBD2 boost reading is not going to be accurate since the car limits the reading around 22.x psi. The P3 Gauge has an additional analog boost sensor which you would want to get as well. Then the P3 Gauge will pull boost from the sensor where you tapped for boost, and all other data is pulled through OBD2. That's how I have mine. We have the sensor on our site as well: P3 Gauges V3 OBD2 Multi-Gauge | 2017+ Fiat 124 Spider Multifunctional Boost Gauge

I believe those steering wheel systems all just use your OBD2 port so boost readings will be limited. The P3 Gauge actually has a shift light feature as well. The entire gauge will flash at a certain RPM that you set it to. In this video here it's noticable in the final 3rd gear pull (you'll see the gauge flash a few times):

 
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