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We'll to me anything over three minutes, to a guy that is out in the construction field...maybe twenty minutes...oil field, four hours....extremely subjective….not trying to be caddy just very difficult to quantify.
At the risk of sounding really stupid, how are you determining engine hours? Have you installed an aftermarket hour meter, or is there some other way to find this info?
I think its pretty pointless seems just like another way ford can regulate your truck...which it is, i guess its great for guys in the field but ya i have no use for it
What do you consider exsesive idling? My 05 has a turbo timer that alows the truck to run for 3 mins after the key is shut off......if I start the truck 5 times a day tht adds about 15 mins of idle time is that to be considered exsesive idling? should I change the oil at 5000 or 7000 miles?
Is there a way you can adjust the timer only to turn on when you drive for a long period of time or tow, bc the truck does not need to idle for that long just for short trips around town.
It's not how far you need to go, it's how hot have you gotten the truck.
I have the optional shutdown module for my X-monitor gauge package. It lets you set a shutdown temperature and has a timer as a backup if for some reason the truck never reaches your setpoint.
My pyrometer probe is mounted preturbo in the exhaust manifold and I have the shutdown temp set to 350 deg F. Generally the truck shuts down immediately when I'm just driving around town and it also shuts down immediately after I've driven several hundred miles and pulled off the Interstate into a fuel station.
It takes a surprisingly short amount of time for the exhaust gas temps to drop as you let off the throttle and coast down an exit ramp and then clank towards a fuel station.
On the other hand, I live at the top of a grade 8+ hill four miles away from where I work. My driveway is a block off the street that leads up the hill. My truck will often idle for about 10 to 15 seconds to get down to 350 after pulling the hill. Longer if I had the AC running - rare in San Diego but we're having a heat wave.
So it isn't really the distance that determines whether the timer is needed, it's the heat that you've put into the motor and turbo.
My general experience has been that unless you're towing or hauling a heavy load, the timer probably doesn't need to run for more that 30 seconds, if at all.
I agree with Daryl 100% i meant the time u run your truck because usually it gets hotter that way, but hes right i let mine cool down usually to 350 also which takes about 20 secs, but its also over 100 here in texas. And if im just doin in town driving then anything below 400 i just turn it off, which by the time you park its below 400. Also turn off your ac it helps the EGT go down quicker. But as for settin your timer, just turn it off or set it for 20 secs because your not goin to need to have it idle any longer than that, unless your towing somethin and suddenly pull of to the shoulder or gas station then ya let it idle for a bit. Hope this helps.
Cody
Thanks for the info (Daryl hunter/WW Beast).....I have been running my truck for far to long. I wish my timer ran off of egt instead of just time. I am going to have a pyro installed hopefully this week. Do You guys know of a good shop in the So Cal area to do the install? It just scares me to drill into the exhaust manifold myself. thanks again
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