? about dp tuner
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Elder User
Joined: Apr 2005
Posts: 518
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From: sycamore, illinois
? about dp tuner
first off i wish i would have bought this chip 2yrs ago when i bought the truck its like driving a different truck, what i had before was good, the ts chip i didn't like, the dp blows them out of the water
now the ? i read some where to not start the truck in one of the tunes is this just for a cold start or for every start i've been doing it on every start and its getting kind of old
now the ? i read some where to not start the truck in one of the tunes is this just for a cold start or for every start i've been doing it on every start and its getting kind of old
Post Fiend
Joined: Sep 2006
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From: Millbrook Alabama
If your oil temp is up to operating range (180*) then its O.K. to start with a tune. If its a cold start , let the temps come up before switching from stock.
PS. Your little water temp guage in the dash does not mean your up to 180* oil temp. It can take another 10 miles or so for the oil to come to temp after the water does.
PS. Your little water temp guage in the dash does not mean your up to 180* oil temp. It can take another 10 miles or so for the oil to come to temp after the water does.
Elder User
Joined: Mar 2006
Posts: 751
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From: Greeneville,TN
Brandon is right on. I like to start mine in stock then switch to a tune after the temps get up. I will have to admit that I have not always done this, but after talking with the guys at smoking they have changed my ways. Also, Jeremy(JTHarvery) reminded me not to switch the tunes under a load. Let off the pedal and then switch, give it a second or two to adjust then hammer down.
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Elder User
Joined: Apr 2005
Posts: 518
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From: sycamore, illinois
ok i was hoping it was that way i know the guages on the dash are just fancy idoit lights i drive easy until the temp guage is in normal range, actually i've been driving pretty easy all the time with fuel prices right know
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Elder User
Joined: Apr 2005
Posts: 518
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From: sycamore, illinois
i have the new guage switcher and it has a little dot next to the # and when it goes out the tune is loaded so i let off change tunes wait for dot to leave and then get back on it
Posting Guru
Joined: Jun 2007
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From: OAHU,KANEOHE HAWAII
I leave it on 80 econ and let it warm up for a minute in the morning,i try not to go over 1/4 throttle but its 75* in the morning here in hawaii.
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Elder User
Joined: Apr 2005
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From: sycamore, illinois
whats the fuel price in hawaii these days i went on a cruise 7yrs ago around the islands and gas was quite a bit higher then
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Posting Guru
Joined: Oct 2007
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From: Farmington, Minnesota
I have heard the same on a really cold start.
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For the most part I don't give it much thought, just crank her over. What do you guys think the pitfalls are when starting the truck with a tune.
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For the most part I don't give it much thought, just crank her over. What do you guys think the pitfalls are when starting the truck with a tune.
Post Fiend
Joined: Sep 2006
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From: Millbrook Alabama
According to what we learned from Jody during mine and Mikes Live tuning, starting a cold truck in a performance tune can raise the pressures in the heads (not combustion, but ICP) to dangerous levels. Why? Because the PCM will retard the timing(up to 27*) due to cold oil. Jody told us the absolute WORST thing you can do to a PSD is start it in a tune cold, and then go romp on it before the oil is up to temp. IOW dont race your neighbor out of the subdivision unless you have let your truck warm up first.
Posting Guru
Joined: Oct 2007
Posts: 2,225
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From: Farmington, Minnesota
According to what we learned from Jody during mine and Mikes Live tuning, starting a cold truck in a performance tune can raise the pressures in the heads (not combustion, but ICP) to dangerous levels. Why? Because the PCM will retard the timing(up to 27*) due to cold oil. Jody told us the absolute WORST thing you can do to a PSD is start it in a tune cold, and then go romp on it before the oil is up to temp. IOW dont race your neighbor out of the subdivision unless you have let your truck warm up first.
That's what I have been doing. I live in Minnesota, so six months of the year I **** away fuel warming up my truck.
Post Fiend
Joined: Sep 2006
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From: Millbrook Alabama
Its up to you, but I will be starting my truck (when cold) in the stock tune from now on.