Just starting to tune my car & have some questions.
Sep 29, 2005, 09:21 AM
#16
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Originally Posted by Jokeri
So what is the use of the egt-meter in that situation?
If you had pre-ignition, how fast would the EGT-meter react to that if the sensor is mounted after turbo? in the same time when the detonation has killed your engine?
If you had pre-ignition, how fast would the EGT-meter react to that if the sensor is mounted after turbo? in the same time when the detonation has killed your engine?
EGT is not for knock detection. It is simply to keep you from melting the inside of the combustion chamber. Hence my statement that one tool alone is not enough. In any case, if you EGT is too high, then you must find out why...
Sep 30, 2005, 01:10 PM
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Thanks for the advise so far...
I was able to tune the car to a very flat 11.4 - 11.6 A/F with the SAFC on a mix of 93 & 104 octain with my boost between 1.3 & 1.4 bar. I know there is a lot more power to be had but my timing was as high as 22* in 3rd @ 7200 & 19* @ 6800 in 4th which is the higest its ever been so I know the car is making more power but how high can/should I go with my A/F?
I was able to tune the car to a very flat 11.4 - 11.6 A/F with the SAFC on a mix of 93 & 104 octain with my boost between 1.3 & 1.4 bar. I know there is a lot more power to be had but my timing was as high as 22* in 3rd @ 7200 & 19* @ 6800 in 4th which is the higest its ever been so I know the car is making more power but how high can/should I go with my A/F?
Oct 3, 2005, 07:10 PM
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I'm going to try and retune for 11.5's on pump gas now with the boost a little lower.
Does anyone know which wire I need to tap on the ECU to see timing? Cam Position Sensor, Crank Position Sensor? I tried tapping the "ignition" wire but that just reads .03v steady. I would like to stop using my pocket logger if possible.
Does anyone know which wire I need to tap on the ECU to see timing? Cam Position Sensor, Crank Position Sensor? I tried tapping the "ignition" wire but that just reads .03v steady. I would like to stop using my pocket logger if possible.
Oct 5, 2005, 09:29 AM
#21
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Originally Posted by AlwaysinBoost
has anyone tried to tap the MDP sensor? will that sensor provide you with an accurate reading of manifold pressure / volts? I guess kind of like a MAP sensor. When I was reading the wiring diagram for the EVO I saw that sensor and I figured it was too easy and someone would have done it already by now... just checking.
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