Speedo eratic

1HTBIRD

1HTBIRD

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Feb 25, 2019
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Palm Desert, CA
1970 383 A727 and my speedo is eratic at all speeds. Pulled the dash cluster, replaced the speedo cable, removed the cable gear from trans and no sign of damage to 32 teeth gear.

Any ideas? Thanks
 
Take the cable out and lube it with some powered graphite. Sounds like it is binding up inside the protective sleeve. Do you see and damage or kinks in the sleeve?
 
I had the same problem with my 69RR. with a after market cable from year one. Was lucky to find one at a dealer nos. Problem solved
 
You might try Mopart's They have had stuff other place's don't have. Good luck. I am wondering if I need to send mine of too have it cleaned and checked.
 
had this problem but at low speeds it would stay at 40mph.....went faster and stayed at 60mph......did everything.....turned out to be the speedo cluster.......all fixed
 
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