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#1060702 - 02/09/19 11:12 PM speedometer  
Joined: Apr 2012
Posts: 45
Bowtiejc Offline
Member
Bowtiejc  Offline
Member

Joined: Apr 2012
Posts: 45
Marion NC
my speedometer on our 1988 Monte SS is acting weird. the speed gets off the faster you go. Up to 35mph it is correct but the faster you go , it doesn't read correct. at 60 it only shows about 50 or so and won't ever show correct. but when you slow down , it starts getting correct about 35. Any ideas on this .

#1060714 - 02/11/19 05:13 PM Re: speedometer [Re: Bowtiejc]  
Joined: Apr 2011
Posts: 936
Hunter79764 Offline
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Hunter79764  Offline
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Joined: Apr 2011
Posts: 936
Grand Prairie, Tx
Is it jumping at all? Possibly just needs the cable greased to help out. If not that, I've got nothing. Is it a new problem, or did it start after doing other work on it?


Sometimes you just need a bigger hammer...

'85 MC with budget 5.3L swap, TH350 with stock 2.14 rear end
It ain't much off the line, but it's nice on the highway
#1060715 - 02/11/19 05:26 PM Re: speedometer [Re: Bowtiejc]  
Joined: Apr 2012
Posts: 45
Bowtiejc Offline
Member
Bowtiejc  Offline
Member

Joined: Apr 2012
Posts: 45
Marion NC
I thought about that , I’ll give it a try . Not new but it’s been doing it a while . We don’t drive it a whole lot . Just a nice weather cruiser lol. 88 with 42k miles. We are the second owner . My friends mother bought it new . Still
Have the window sticker .

#1060716 - 02/11/19 06:42 PM Re: speedometer [Re: Bowtiejc]  
Joined: Apr 2011
Posts: 936
Hunter79764 Offline
Member
Hunter79764  Offline
Member

Joined: Apr 2011
Posts: 936
Grand Prairie, Tx
Yeah, I'd try lubing it up first. It can't hurt anything, and is a good idea to do periodically anyway. If it doesn't fix it, you are at least one step closer to narrowing it down.


Sometimes you just need a bigger hammer...

'85 MC with budget 5.3L swap, TH350 with stock 2.14 rear end
It ain't much off the line, but it's nice on the highway

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