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Tuner Question #2

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Old Nov 12, 2013 | 05:08 PM
  #1  
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Tuner Question #2

For those of you running tuners.

Do you have different tunes that you use for summer vs winter?

I haven't found where anyone posted anything different but I thought I would ask.
 
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Old Nov 12, 2013 | 05:19 PM
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I am not touching your other thread, there have been too many disputes here over the years. You can search this forum and go over all the old threads with tuner wars all you want.

This one however, I have never heard of a tuner having weather specific tunes. The programming uses the trucks sensors, oil temp, idle air temp, etc. to make adjustments to the fuel mapping, so I don't know what one would change from summer to winter.
 
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Old Nov 12, 2013 | 06:22 PM
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I run different programming for 5/40 in the winter vs. 15/40 in the summer.....

BIG difference in how the calibrations behave.
 
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Old Nov 12, 2013 | 07:03 PM
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Originally Posted by cleatus12r
I run different programming for 5/40 in the winter vs. 15/40 in the summer.....

BIG difference in how the calibrations behave.
I've experienced a piece of that when I switched oil.

I use my warm-up tune in the winter - it's high-idle with the EBPV activated.

For the sake of control, I use the most gentle tune I have on slick roads. That way, a slip of the foot doesn't turn into a flip over soot.

 
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Old Nov 13, 2013 | 05:10 AM
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You guys bring up a good point.
I had not thought about tunes based on oil.

Tugly, your postings always crack me up. And good point.

I hadn't even thought about the points you guys made. I was thinking more on the lines of colder denser air, with more mass air flow. Or, dragging my trailer here in the mountains of Co. and less O2 etc. I know we can't plan for all the conditions out there we might experience but I was thinking of the two extremes with the weather we see here.

Thanks
 
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Old Nov 13, 2013 | 03:39 PM
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i run valvoline 15-40 all fleet oil year round. and 99.99% of the time my DP F-5 chip is in 80 econo tune winter, spring, summer, and fall.
i see no difference in the way the truck runs whether it is 100 degrees or 5 below.
the only thing i do different in winter is hit the remote start to warm the engine up for 5 minutes before leaving
 
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