Greg Meyer
Well-Known Member
- Joined
- Sep 27, 2001
- Messages
- 7,834
- Reaction score
- 19
Well...with nothing better to do Saturday...I downloaded an update for my Garmin GPS 176...loaded it into the unit. Sunday I drove to BPS for "stuff"...decided to test the new firmware...
Guess what I have discovered...why evrybody passes my truck...Speedo on truck says...say 65mph...gps says 56.7mph...consistently "off" by 14.5%....
I've never done the check of GPS to truck speedo before...Service manager of the dealer has never heard of GPS (what cave has he been living in...??) but says he'll check it...doubts it could be off...especially not that much...
Anybody else ever done this...check car/truck with GPS? And, found a big difference
Guess what I have discovered...why evrybody passes my truck...Speedo on truck says...say 65mph...gps says 56.7mph...consistently "off" by 14.5%....
I've never done the check of GPS to truck speedo before...Service manager of the dealer has never heard of GPS (what cave has he been living in...??) but says he'll check it...doubts it could be off...especially not that much...
Anybody else ever done this...check car/truck with GPS? And, found a big difference