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Join Date: Mar 2009
Posts: 233
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spedometer cable?
so my car when I first take off wont register any speed until im up to like 20 then it gets with it. but on the highway I notiece it is up there in the 90 range? I am either going faster then I think. or there is a small problem. I am running 205 60 15 tires on stock rims. any thoughts? thanks
brent |
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03-11-2013, 08:10 AM
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Join Date: Apr 2010
Location: New Orleans, LA
Posts: 1,493
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you need to say what year your car is.
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1982 911SC, Mocal oil cooler, Bilsteins, Carrera tensioners, backdated heat, factory short shift, Seine gate shift, turbo tie rods, pop off. 2005 Mercedes-Benz C230 kompressor sport 6-speed (daily driver) |
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03-11-2013, 08:30 AM
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You can also do a quick test on the highway using a stop watch and mile markers.
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15 year PCA member  1972 911 E Coupe - gone now 1987 Mazda RX-7 2+2 - still cooking Swift DB-1 FF & Swift DB-3 F2000 -not forgotten 1979 911SC 3.0 & 2000 Camaro |
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03-11-2013, 08:48 AM
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Posts: 233
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I always forget that part. 1975 911
brent |
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03-11-2013, 09:06 AM
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Brent,
Just put it in your signiture and forget about it :=)
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15 year PCA member 1972 911 E Coupe - gone now 1987 Mazda RX-7 2+2 - still cooking Swift DB-1 FF & Swift DB-3 F2000 -not forgotten 1979 911SC 3.0 & 2000 Camaro |
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03-11-2013, 09:26 AM
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Posts: 233
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was trying to figure out the signature.
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03-11-2013, 10:00 AM
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AutoBahned
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sounds like the cable is binding or dirty
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03-11-2013, 10:38 AM
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it seems like the car is like 20 miles fast. it says 90 and I am just a little slower then traffic. I just don't want to get a ticket in this little car.. since it is so fast anyways.. do I just need a new cable? where should I start? I did notice on the highway I got about 8/10ths of a mile so the spedometer is definately off
brent
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1975 porsche 911 silver anniversary edition 1967 camaro 1939 chevy 5 window business coupe |
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03-22-2013, 08:33 AM
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AutoBahned
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start by measuring the rolling circumference of the tires & use a GPS or smartphone app to get tru speed
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03-22-2013, 10:54 AM
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Join Date: Mar 2009
Posts: 233
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I never thought of that. I have one of those dumb smart phones as well
thanks brent
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1975 porsche 911 silver anniversary edition 1967 camaro 1939 chevy 5 window business coupe |
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03-23-2013, 09:25 AM
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I downloaded a spedometer app today. and the spedometer is exactly 10 mph off at 80 and upwords.. etc. at 30 mph it is roughly 5 miles off. I had it to 120 on the highway the other day. dumb me. it still had some poop left.. I would go to jail around here at those speeds.. still sound like a spedo cable?
brent
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1975 porsche 911 silver anniversary edition 1967 camaro 1939 chevy 5 window business coupe |
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03-24-2013, 06:18 PM
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Molly
