Chip Questions - Diesel Truck Forum -
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post #1 of 9 (permalink) Old 01-25-2007, 01:17 AM Thread Starter
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Chip Questions

I got my Powerstroke about 2 months ago, and have been thinking LOTS about where to drop some cash. I have a few questions about chips first though. I am going to be putting some 285s on in a few weeks to go with my leveling kit. I would like to recalibrate the speedo to correct the changes. I know that edge says that their evolution can accomplish this. But I really don't want to go with the edge. Do I have to get a programmer to have this? I am thinking about going with a dp when I get around to getting a chip. Am I out of line or does everybody with different size tires just leave the speedo alone? I need to get some gauges first, then I want to get on with everything else! :smoke Any input at all would be greatly appreciated. Thanks Sam :grd

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post #2 of 9 (permalink) Old 01-25-2007, 01:30 AM
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I put 285x75 16's on my 96 and couldn't tell much of a difference on the speedo.

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post #3 of 9 (permalink) Old 01-25-2007, 01:31 AM
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I went with DP this month and it's great!
I think i seen somethin on their site for speedo recalibration :shrug:

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post #4 of 9 (permalink) Old 01-25-2007, 01:34 AM
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when I paid ford 50 bucks to recal for tires it was still off 2.5 mph so being some trucks came stock with 265/75/16 the 285 would probably be closer to dead on.I could be wrong on this.

I would go chip just cause you can play on the fly instead of stopping and loading.

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post #5 of 9 (permalink) Old 01-25-2007, 01:53 AM
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post #6 of 9 (permalink) Old 01-25-2007, 03:11 AM
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I have even run 305s and did not tell much difference. You might want to look at those, or a 295. I think they look a little better than the 285. But, you should not have much issue with the speedo, and go for the chip, they are much nicer to have.
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post #7 of 9 (permalink) Old 01-25-2007, 06:09 PM
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I have 285's on my truck and it is definitely off. The odometer is off by about 4%. I determined this by running a 50 mile stretch on the interstate and checking it with the mile markers. I add 4 miles to every 100.
I did this because I like to track my fuel mileage.
So, the speedometer has to be off by an equal amount.
If your speedo reads 60 your are probably going approx. 62.5
I asked Jody at DP tuner and he said he could not do this with his chip.
Hope this helps.

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post #8 of 9 (permalink) Old 01-25-2007, 06:27 PM
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Edge can NOT ajust the speedo's on our trucks... I dont know why but every truck I have seen with edge the speed parts are locked out...

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post #9 of 9 (permalink) Old 02-01-2007, 09:18 PM
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Just get a chip you will be much happier.
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