is it my speedo cable or the gauge itself????
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Junior Member
Joined: Mar 2009
Posts: 56
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From: DuBois, PA
Car: 86 IROC-Z
Engine: 350
Transmission: 700r4 3000stall
Axle/Gears: 3.27
is it my speedo cable or the gauge itself????
ok i have an 86 iroc with the 145 speedo from the factory. now occasionally when im driving ill get right up to about 45 and the speedo needle starts jumping rapidly. now i dont mean alittle speed woble, its a variance of about 60-90 mph between swings and when it happens it makes an awfull noise like tiny plastic gears grinding. i thought it might the end of the cable going bad but when i pulled the cluster out the cable end looks fairly square. so could this be an internal problem with the speedo or what???
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: is it my speedo cable or the gauge itself????
ok i have an 86 iroc with the 145 speedo from the factory. now occasionally when im driving ill get right up to about 45 and the speedo needle starts jumping rapidly. now i dont mean alittle speed woble, its a variance of about 60-90 mph between swings and when it happens it makes an awfull noise like tiny plastic gears grinding. i thought it might the end of the cable going bad but when i pulled the cluster out the cable end looks fairly square. so could this be an internal problem with the speedo or what???
JamesC
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