Speedo just started reading high
Thread Starter
Burning Brakes
Joined: Oct 2010
Posts: 1,160
Likes: 23
From: Prescott AZ
Speedo just started reading high
My trani is a t56 magnum and am using the stock speedo in my 1970 Vette. I've been running this combo for a few years and it's always been acurate. Just recently it started reading considerably higher than it should.
I've pulled the cable, inspected, lubed and reinstalled it with no luck.
I also inspected the speedo gear in the trani and it looks ok.
Not sure where to go from here.
Any ideas.
Thanks
I've pulled the cable, inspected, lubed and reinstalled it with no luck.
I also inspected the speedo gear in the trani and it looks ok.
Not sure where to go from here.
Any ideas.
Thanks
Is my vette stock?? HAHA
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From: Im not allowed to tell you
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Did you replace your tires? Other than that the only thing it could be is internal to the speedo itself. If its like the tach, it uses a magnet to move the needle so it could be sticking in that area getting a higher reading.......maybe
Thread Starter
Burning Brakes
Joined: Oct 2010
Posts: 1,160
Likes: 23
From: Prescott AZ
It reads high at any speed.
I can be crawling out my gravel road and it reads 20mph when I'm only doing 15rpm in first gear or its reading 90mph on the freeway when I'm only doing 65-70mph.
I was afraid it might be the speedo itself but am hoping there's some way to make sure.
Melting Slicks
Joined: Jun 2011
Posts: 3,114
Likes: 592
My trani is a t56 magnum and am using the stock speedo in my 1970 Vette. I've been running this combo for a few years and it's always been acurate. Just recently it started reading considerably higher than it should.
I've pulled the cable, inspected, lubed and reinstalled it with no luck.
I also inspected the speedo gear in the trani and it looks ok.
Not sure where to go from here.
Any ideas.
Thanks
I've pulled the cable, inspected, lubed and reinstalled it with no luck.
I also inspected the speedo gear in the trani and it looks ok.
Not sure where to go from here.
Any ideas.
Thanks
Being fast it would point to the speedo unit itself.
Thread Starter
Burning Brakes
Joined: Oct 2010
Posts: 1,160
Likes: 23
From: Prescott AZ
Burning Brakes
Joined: Jan 2010
Posts: 884
Likes: 84
From: New Boston, NH
Curious to see responses to this. I have what seems like the same/similar issue. I was on the highway the other day. Speedo said I was doing 90, but I became skeptical when I looked up and saw the Toyota minivan in front of me pulling away.
Thread Starter
Burning Brakes
Joined: Oct 2010
Posts: 1,160
Likes: 23
From: Prescott AZ
Not sure what that will determine. I know the cable is in good condition and know that the speedo is reading fast. Unless there is some way to determine the speed of the drill in mph.
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