CHT Sensor, Stock L-Jet Sensor vs Spark Plug Sensor wiring |
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CHT Sensor, Stock L-Jet Sensor vs Spark Plug Sensor wiring |
Rikyrat |
Apr 20 2020, 09:43 AM
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#1
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Member Group: Members Posts: 58 Joined: 30-January 19 From: Phoenix Member No.: 22,844 Region Association: None |
Hi All:
Have a question, I am in the midst of final wiring on my megasquirt injection system. Since it uses it own CHT sensor, I am thinking about using the Stock CHT sensor to monitor temps. I Currently have a ring sensor on the number 3 cylinder, but was considering removing it. The problem I have is that the ring sensor has 2 wires going to a connector and the stock only has one. I believe that the stock sensor is grounded to the block itself. Is there any way to adapt the stock sensor to use it. Should I connect one of the pins on the ring sensor connector to ground, or will that totally screw things up. Thanks for any assistance |
GregAmy |
Apr 20 2020, 04:32 PM
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#2
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Advanced Member Group: Members Posts: 2,311 Joined: 22-February 13 From: Middletown CT Member No.: 15,565 Region Association: North East States |
'Cause I'm curious and don't want to start another topic...
Mark, your thoughts on the correlation between the CHT under the #3 plug (what we all use as a baseline for discussions) and a temp sensor placed under the sheet metal screw to the head just outside the intake runner near #3 cylinder? See my photo below. I'm using The Dub Shop's "modified CLT" sensor for warm-up, but I'm not sure how much confidence I have in this value for accuracy. I've used a handheld infrared and compared this terminal to that of the head directly with the plug wire off (engine not running of course) and it's generally within 5%. I'd love to use this value as a hard cutover to a less-aggressive map on my Microsquirt install, and it would also be useful as inputs for my race car data acq. |
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