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MDP --> Map Sensor

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MacGSX

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Discussion starter · #1 ·
Ok, I'm trying to put my new map sensor on and you can see my problem below. So now, what is my best option here? Using one of the capped vacuum ports on the back of the manifold and run the line right to this as short as possible and just leaving the MDP sensor in to plug that port? Or is there a better option?

MAP on the left MDP on the right
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Image


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Jordan
 
#2 ·
Leave the MDP plugged in so it doesn't leak and run a vacuum line to the MAP sensor and mount it on the firewall or elsewhere or zip tie it against something.

EDIT: What map sensor is that? Never seen that one before.
 
#3 ·
I would plug that flange and run a line from one of the vacuum port and use an AEM map sensor. Why an AEM one ? Because it got threads on it so you can build a nice ss line with fitting and never worry about a leak.

Or you can always build a small adapter flange to bolt your map on it than bolt the adapter on the smim. Just like an adapter flange for the throttle ... :)
 
Discussion starter · #5 · (Edited)
DSM4LIFE-AWD said:
I would plug that flange and run a line from one of the vacuum port and use an AEM map sensor. Why an AEM one ? Because it got threads on it so you can build a nice ss line with fitting and never worry about a leak.

Or you can always build a small adapter flange to bolt your map on it than bolt the adapter on the smim. Just like an adapter flange for the throttle ... :)
Click to expand...
While that sounds good. I have no welders around to build a flange(and I don't weld). I'm just gonna leave the mdp plugged in, use an extra vacuum port and hide the map sensor.

Thanks fellas.
 
#9 ·
Black95TSIawd said:
RRE makes an adapter with an NPT fitting on it that will bolt right onto your currect MDP flange. You can face it backwards and run a vac line straight to your map sensor.
Click to expand...
That is for running a mdp with a SMIM and no flange but he has a flange.
So all he has to do is run a vacuum line to the map sensor and keep the mdp sensor in place and not use it.
 
#14 ·
I was just posting to clear up the confusion, I don't condone that route.
What I would do is return the GM and use that money to buy an Omni Power 4 bar. It's better, and not much more expense. The vacuum hose to MAP sensor is possibly the worst way to wire it up (doesn't mean you can't do it, but may lead to slight inaccuracy)
The GM is 89.99. The Omni is 108.00ish on MAPerformance.
The Omni also plugs straight into the stock connector. I run it so I speak from experience. I love it.
Just thought I'd pitch that idea to you.
Its easier, connects to stock connector, and will be accurate far more than the GM.
 
#15 ·
Racah15 said:
I was just posting to clear up the confusion, I don't condone that route.
What I would do is return the GM and use that money to buy an Omni Power 4 bar. It's better, and not much more expense. The vacuum hose to MAP sensor is possibly the worst way to wire it up (doesn't mean you can't do it, but may lead to slight inaccuracy)
The GM is 89.99. The Omni is 108.00ish on MAPerformance.
The Omni also plugs straight into the stock connector. I run it so I speak from experience. I love it.
Just thought I'd pitch that idea to you.
Its easier, connects to stock connector, and will be accurate far more than the GM.
Click to expand...
It's soldering 3 wires, I think he can do that. And if you paid $108 you overpaid.
http://www.ecmtuning.com/product_in...t_info.php?manufacturers_id=10&products_id=50&osCsid=vokfcmk05if6rfm0bjgi7prgv3

http://www.ecmtuning.com/product_in...t_info.php?manufacturers_id=10&products_id=47&osCsid=vokfcmk05if6rfm0bjgi7prgv3
 
#17 ·
Gamble said:
It's soldering 3 wires, I think he can do that. And if you paid $108 you overpaid.
http://www.ecmtuning.com/product_in...t_info.php?manufacturers_id=10&products_id=50&osCsid=vokfcmk05if6rfm0bjgi7prgv3


http://www.ecmtuning.com/product_in...t_info.php?manufacturers_id=10&products_id=47&osCsid=vokfcmk05if6rfm0bjgi7prgv3
Click to expand...

Not really. Then how about the people running 3.5bar AEM sensors? More money, for a sensor that's only accurate from .5-4.5v? No, I feel to believe that the omni is not overpaying. More accuracy, more room, and easy to install, sure soldering is easy, but hacking up the wiring harness is something I would want to do on a need only basis.

Plus it's like your comparing a VRSF with an ETS fmic. Both are great, but one will overpower the other, and ofcourse that one is more expensive. So it's not really a fair comparison.
But we all have opinions and we're entitled to them


MacGSX said:
Yea I wanna say I paid around 40 or 50 for that sensor.
Click to expand...
Sorry, I just went off this
http://www.ecmtuning.com/product_info.php?cPath=28&products_id=47&osCsid=64aqrc0ea9bdduhkbgtr7tebv6

What did you end up doing?
 
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MacGSX
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