Quote:
Originally Posted by Mando
Fkemmerer, fantastic build. Do you use screens or filters on your injection system? I followed your long post on your build and was wondering what the sensor on your tailshaft was for? By the way the log of your build and the quality you achieved was the best Ive ever seen bar none. I recommend anyone thats interested in seeing some AMAZING work find Fkemmerers build log on Clubcobra.
Regards.
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Hi Mando,
Thanks for the nice comments. I do use screens. Here's a picture of them:
The sensor on the driveshaft is related to the electronic traction control system on the car. You can see the sensor in the following picture - it is the silver collar and associated sensor between the back of the driveshaft and the differential.
Here's a closeup picture before the driveshaft was installed:
The silver collar is a custom made piece that contains 2 equally spaced magnets at its edge. As the driveshaft rotates, these magnets fly by the sensor (the part with the wire comming out of it) and create a signal that the EFI computer can read as driveshaft RPM. This data is used by the computer to record speed and miles per gallon in the on-board data logger memory. The computer can also sense any sudden jumps in drieshaft RPM and will interpret these as the rear wheels slipping/tires spinning. When the computer detects this, it automatically removes ignition timing from the motor which reduces torque output and controls the tire spin. I have not yet had a chance to full set up this part of the system up but I plan to do so in spring. If it works well, it should help solve some of the tire spin/control issues that cobras with large, high torque engines are prone too.
- Fred