Hi Doug, The problem with using a GPS as a speedometer is the lag... My Magellan GPS2000 is very accurate for speed ( +/- 0.1 KMH) but it has about a 5-second lag in reporting that speed. Which means that I can sometimes pull up to a stoplight and look over at it telling me I'm still going 30MPH. Once up to a steady speed it works pretty well. I once had an 88 Eagle Premier where my GPS WAS the speedo.
Happy trails, Greg Potts Toronto, Ontario, Canada 1973/74/79 Westfakia Conversion **Bob the Tomato** LY3H 1977 Sunroof Automatic L63H/L90D http://www.pottsfamily.ca/westfakia http://www.busesofthecorn.com
On 30-Jun-05, at 12:49 PM, Doug in Calif wrote: > GPS ! > > > ----- Original Message ----- > From: "Bob Stevens" <mtbiker62@HOTMAIL.COM> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Thursday, June 30, 2005 9:32 AM > Subject: Re: Synchro MPG > > > >> "maybe cause things werent > recalibrated after the PO put on 15 >> > inchers..." > >> >> that's the key here. I have 28.4" diameter wheels (16" rims, with >> > 225/70's). > >> That equates to 1.13% larger than stock so that's the number I >> times my >> indicated trip meter mileage by to get an accurate read before >> factoring >> > the > >> gallons added at fill up. >> >> bob >> > > > |
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