Consider this though. A few weeks ago I'm driving in a residential area on a 25mph road. On a straight stretch of road. there's this radar trailer. You know the kind that measures your speed and displays it on this big screen that says: "You are going : x mph."
Well I was doing about 35 mph and it displayed about 32 mph.
Now that's funky!
What's wierd to me is if both the computer and the analog gauge are reading from the same source and they're both electronic. Why aren't they both calibrated to the same degree of accuracy?
FlyinVR6 wrote:
It's hard for me to believe that there is that much of a difference between the computer and the speedo needle. I'm thinking that the computer is lower due to the fact that it is programmed to take the average mph of your drive time. I know that you're thinking..."Well if I'm going a constant 70, then the computer average should be 70 too...." Maybe, maybe not. If you closely watch your speedo during cruise control, it does NOT stay at a constant speed. It will drop off 3-5mph every now and then before the engine kicks in to maintain the proper setting. Also, if u think about it......having 66 displayed on your computer while your speedo is reading 70 is a huge difference at that speed. That means when you're doing 35mph, you're actually doing 33mph. That's too big a margin of error for me to believe with all the technology we have packed in our cars these days. I don't know enough about the on-board diagnostics of our cars to give any technical info to support my idea, but it just sounds too funky to me.FlyinVR6
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