On 4/13/2010 4:41 PM Geo wrote: > On 4/13/10, Jamie Fitterer<fittdog8848@hotmail.com> wrote: >> >> not to hijack this engine post,,,,,,,but if anyone has fixed an 84 speedo or >> re-calibrated one let me you know. I have one that is horribly off and was >> hoping to not have to replace it. > > Hi Jack, > > I think the '84s were factory-designed to be way off. > > My understanding is that around 1983 there was a federal requirement > that speedos not indicate less than actual speed. Some manufactures > (including VW) made double-darn sure that would not happen by building > in a huge error on the high side. > > There is even a formula in the Bentley (p 90.30) for the 84 model year > to compute your actual speed based on what the instrument says. > Pretty handy... if you happen to have a calculator in hand while you > drive. Well, I'll be darned. I've always assumed my 84's speedo read high because it was out of adjustment or something. Observation while driving led me to the conclusion that it was reading about 12% high and did the math in my head accordingly. That section on p. 90.30, which I never noticed (not being that interested in that chapter), seems to be the explanation. I like the refrigerator magnet conversion chart idea. -- Mike "Rocket J Squirrel" Elliott 84 Westfalia: Mellow Yellow ("The Electrical Banana") 74 Westrailia: (Ladybug Trailer company, San Juan Capistrano, Calif.) Bend, OR KG6RCR |
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