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Old 07-11-2013, 11:36 AM   #11
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I use cruise whenever I can. The only problem is that it's an reactionary system...doesn't anticipate for grades...that's when I use the right foot and downshift earlier for a better chance at maintaining speed up the grade.

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Old 07-11-2013, 11:37 AM   #12
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Seeing as you have a Ford definitely control it with your foot!!! If you had a Dodge you are free to do whatever as they are just that much better!!!

Honestly though, I use cruise control but I also pay very close attention to the sounds my truck makes, exhaust, trans, engine ect... I also am monitoring my gauges to make sure everything is where I want them temperature wise. I pulled into Colorado up to estes and until we got into the windy slower roads I used cruise for 7 hours... The truck only down shifted one time on the trip home... As long as your trans isn't shifting all the time in cruise you will be fine. When you start shifting a lot is when the heat builds and that is how you will blow the trans...
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Old 07-11-2013, 11:38 AM   #13
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Originally Posted by jeeplj8 View Post
occasionally, but only on flat ground, and even then it just annoys me. The problem is that CC cannot sense when you are about to go up a slight hill. At least in my Ford, it will cause the truck to donwshift frequently to maintain speed, however by the time it downshifts and brings the RPM up I am already over the small hill and now in the wrong gear going down.

And now the obligatory safety message: NEVER use CC in the rain or any other adverse traction condition.
The Chevy/GMC cruise control with our Alison transmission in Tow/Haul is DA BOMB. Speed within 3 MPH up or down hills and weather permitting is the only way to tow in our GMC.

Never in the rain - is a fact of life whether towing or driving your car.
If the tire should slip, the engine and tire speed can ramp to dangerous levels before you can disengage and a dry patch can throw you out of control.
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Old 07-11-2013, 11:39 AM   #14
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Originally Posted by Dave_Monica View Post
I use cruise whenever I can. The only problem is that it's an reactionary system...doesn't anticipate for grades...that's when I use the right foot and downshift earlier for a better chance at maintaining speed up the grade.

Dave
I have the overdrive lockout button, so use that for the same reason, or if I think the tranny will be searching for the right gear in a long moderate climb.
My right foot thinks its on vacation too!
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Old 07-11-2013, 11:42 AM   #15
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When you are using the gas pedal (instead of cruise) and take your foot off to hit the brakes, the vehicle immediately starts to slow down during the time it takes to get your foot over onto the brake.

With cruise control, the throttle remains engaged at your chosen speed during the time it takes to get your foot off the floorboard and onto the brake pedal. So you are not yet starting to decelerate during that short time your foot is on the way to the brake.

Probably only a second's worth of difference, but at 60 mph, that second or split-second without deceleration could be the difference in getting stopped in time or not. I'm not saying don't use cruise, but that small lag time is something to think about.
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Old 07-11-2013, 12:03 PM   #16
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I tried it for the first time last fall in southern Manitoba where the roads are nice and flat. I watched the fuel economy readout on the dash and found it made an appreciable difference over the space of a couple of hours.
I don't think I'd be trying that in the mountains though...
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Old 07-11-2013, 12:11 PM   #17
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I use cruise all the time and put the tranny in manual mode that way the puter deals with the throttle and I can keep it in gears longer as the 6.2 easily pulls most hilly terrain in 4th or 5th if you manually shift.
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Old 07-11-2013, 12:12 PM   #18
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Never in the rain - is a fact of life whether towing or driving your car.
If the tire should slip, the engine and tire speed can ramp to dangerous levels before you can disengage and a dry patch can throw you out of control.

I guess we're all crazy up here in The Great White North, because we use cruise no matter what, even on ice!
Actually, we're just used to driving in poor conditions, and I wouldn't use cruise on ice with a posi rearend.
I don't really see an issue with using cruise in the rain while towing the camper, as there is no way on God's green earth that the TV tires would ever slip with all of that weight on them.
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Old 07-11-2013, 12:16 PM   #19
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Quote:
Originally Posted by herk7769 View Post

The Chevy/GMC cruise control with our Alison transmission in Tow/Haul is DA BOMB. Speed within 3 MPH up or down hills and weather permitting is the only way to tow in our GMC.

Never in the rain - is a fact of life whether towing or driving your car.
If the tire should slip, the engine and tire speed can ramp to dangerous levels before you can disengage and a dry patch can throw you out of control.
Actually on gm models I believe newer than 04 the computer will disengage cruise if a tire spins.

As well as some of the later models with active suspension control will kick out cruise if the sensors detect a slide with no will spin.
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Old 07-11-2013, 12:19 PM   #20
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when the I dont or cant use the cruise because of traffic I use manual mode (tap shift) I dont use it a lot but selecting any gear when I want is a bonus (as long as the trans wants the gear) the turbo & grade break will keep my speed at any selected and also when not on the cruise it will slow me down almost to a stop on a off ramp.. Since the GM/ally/dmax is the best tow machine on the planet everybody else is just trys to bring us down..lol.. just drive one and you will see... serious... lol
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