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Re: KPH Speedometer [Re: 2ManyTrucks] #1343150 Tue Jan 21 2020 09:01 PM
Joined: May 2015
Posts: 1,787
K
klhansen Offline
Shop Shark
Interesting. Looks like it has a custom fabbed tubbed bed (or something from a later truck maybe a different brand?) Done quite a while back gauging from the similar finish on cab and bed.
Also a cute little bowtie emblem between the speedo and instrument cluster.


Kevin
First car '29 Ford Special Coupe
#2 - '29 Ford pickup restored from the ground up.
Newest Project - 51 Chevy 3100 work truck. Photos
Busting rust since the mid-60's
Re: KPH Speedometer [Re: 2ManyTrucks] #1344165 Wed Jan 29 2020 05:08 PM
Joined: Aug 2018
Posts: 337
2
2ManyTrucks Offline OP
Shop Shark
that's a nice video Frank50,
thanks for the link!

i see that in the video that truck as a metric speedometer version of the 0-80 MPH
whereas my metric speedometer is the counterpart to the 0-90 MPH
so now we have evidence of all 4 speedometer variants

for interest sake, i counted the gear and worm teeth to calculate the exact turns to unit count in this metric speedo.
input shaft worm to first gear ratio 11:1
first gear-worm shaft to second gear-worm shaft ratio 8:1
second gear-worm shaft through idler to 1/10ths Odo wheel is 7:1

multiplying those ratios get us to 616 input shaft turns to 1 complete revolution of the 1/10th unit which counts up 1 KM

Re: KPH Speedometer [Re: 2ManyTrucks] #1344180 Wed Jan 29 2020 07:32 PM
Joined: Mar 2014
Posts: 1,183
J
Jon G Offline
Shop Shark
If you want to make a waterslide decal, just let me know. Some of you may remember I did this about a year ago to convert a 0 to 80 mph electronic speedometer to look as close to possible as the original one. You can still see that work in the electronic bay section somewhere...


Jon

1952 1/2 ton with 1959 235
T5 with 3.07 rear end
Re: KPH Speedometer [Re: 2ManyTrucks] #1344182 Wed Jan 29 2020 07:36 PM
Joined: Mar 2014
Posts: 1,183
J
Jon G Offline
Shop Shark
There it is: https://www.stovebolt.com/ubbthreads/ubbthreads.php/topics/1343677/1.html

When you get to around page 3 you should see the work I was doing on the SpeedHut speedo conversion (which is about as close to original as you can get with the lcd display for odometer, etc).


Jon

1952 1/2 ton with 1959 235
T5 with 3.07 rear end
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