Just wanted to see what type of transducer everyone is using to measure their exhaust manifold pressure. I was going to buy to standard AEM 0-5V sensor and run tubing from the manifold so that I can remote mount the sensor to avoid heat issues. However this still allows very hot vapor to move through the system and heat the diaphragm.

 

Como what? Haha why would you need to use that unless you were using it to help design a manifold and test your design. I'm honestly curious not trying to be a arse or anything.

 

ask evans tuning or momentum, they both use map/emap to tune and would know best way to hook it up.

 

Hmm, maybe I have something up my sleeve, or maybe not?

 

OOOOOOOoooo. secrets secrets.

 

You will want to run at least 2ft of copper hard line from the turbine housing to where you are going to mount your sensor. As an extra precaution I mounted mine using a billet aluminum heat sink. The sensor I use is an Omega PX209-060G5V an AEM 5 bar will not work, I have gone through 3 other sensor brands and types and this is the first to hold up. My sensor problems could have been related to my fuel but why risk it. I also run a NoShock pressure snubber model number 1325 which protects the sensor from high pressure spikes (backfire, 2-step, etc).

Here's a picture of mine, you can see the heat sink I made. I used some of the heat conducting mounting paste they supply with ignitors as well.:



Among other things you can use them to properly map volumetric efficiency, select the proper turbine wheel and housing, setup warnings, compensate for altitude, test manifolds, test exhausts, and find problems.

I have two on mine since I have a twin scroll and two wastegates and it has saved a race for me. I had a wastegate fail and while boost stayed the same (solenoid just shut the other wastegate) the emap in one "bank" dropped significantly while the other bank went up. The ecu compensated fueling and ignition on the two banks respectively and sent a warning to my dash. So not only did I get to finish the race as soon as it was over I knew the wastegate had failed and fixed it. Without them I either would have had to quit the race or risked damage to my engine and most likely would have taken a long time to find the problem.