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1999 to 2003 7.3L Power Stroke Diesel 7.3L Power Stroke Diesel equipped Super Duty and Excursion. |
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I can only go on common sense, which seems to be dwindling as I get older (according to my better half...(c: ), I'd like to rely more on your experience and wisdom than my own.
If I were to guess it would be a combination of both but possibly heavier towards (B), and yes, I'm only interested in the tow tune. Is Throttle position the only parameter you have to work with? As I recall, I would press the throttle down to accelerate out of a corner and maintain some reasonable uphill speed (35 - 45 mph). Coming out of the corner I'm not doing a 'hard' accel by any stretch and I'm not trying to get up to some fantastic speed either because I've got more corners/potholes coming up. Going off of memory, I can't really recall how much I was varying the throttle postion on that pull. With a constant pull (maybe 7%+ ??), no corners, and constant speed over 35 mph and even up around 50 mph it will not go into TCL. I can say that with the current tune I tried accelerating pretty hard and backing off to try to initiate TCL, I also tried going faster that I really wanted to around some corners (45 mph?) to try to initiate TCL while sometimes intentionally mashing and sometimes intentionally easing off the throttle with no avail. On that particular section (and similar sections while testing) I could go 40 mph on a straight-ish section of road with constant Throttle position and grade and TCL would never initiate. I don't know what other parameters there are to look at. Really if Torque was available that would be a good one, using a countdown timer may be useful, like if at 35 mph AND 5 seconds has elapsed (i.e. no acceleration other than the torque of going uphill) then engage... I simply don't know what access you have to other parameters. Tony (Transmission Solutions, he was manning the scanner as I was driving) indicated that he would be happy to discuss his findings with you if that would help. Remember, we are PDT, 541-484-0633. Let me know what you'd like me to do, Sincerely,
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-Kevin 2003 F250 SD Crew, 7.3L, PHP Gryphon CTS, 5.5" Fabtech Lift, 20" KMC Spy, 315/60/R20 Toyo MT, Billet Grill, ATS Ported Shroud |
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