Lucas 3TT 73198A and 3TT73197A curves?

For discussing how to choose sensors and create a wiring harness for all Bowling and Grippo versions of the MegaSquirt® EFI controller.
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Peter Florance
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Posts: 44
Joined: Fri Apr 02, 2004 7:40 pm
Location: Virginia Beach, VA
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Lucas 3TT 73198A and 3TT73197A curves?

Post by Peter Florance »

Installing MS in place of GEMS system which uses Lucas 3TT 73198A and 3TT 73197A coolant and air sensors
Anyone have resistance vs temp curves for them?
Thanks!
Peter Florance
Helpful Squirter
Posts: 44
Joined: Fri Apr 02, 2004 7:40 pm
Location: Virginia Beach, VA
Contact:

Re: Lucas 3TT 73198A and 3TT73197A curves? Found them!

Post by Peter Florance »

Peter Florance wrote:Installing MS in place of GEMS system which uses Lucas 3TT 73198A and 3TT 73197A coolant and air sensors
Anyone have resistance vs temp curves for them?
Thanks!
I ended up finding these Luas curves from http://jaguar.professional.org/thermistor/AirTemp.php and the HE version seem to match nicely.
I hadn't used Easytherm in several years - what a nice piece of software. Kudos!!

TempC/'F Pre-HE HE
-10/14 960 9100-9300
0/32 640 5700-5900
10/50 435 3764
20/68 300 2400-2600
30/86 210 1698
40/104 150 1100-1300
50/122 180 833
60/140 158 500-700

sorry about the formatting....
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