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175 mph speed?

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Old Feb 25, 2012 | 11:00 AM
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Default 175 mph speed?

I have an 81 which came with the lame government mandated 85 mph speedo. Someone saved me the trouble of converting to a real speedometer along the way. When I look at pictures of other vettes I see 160 being the top but mine looks like a factory piece and is 175. Just wondering did any come with a factory 175 or is this aftermarket. No big deal but made me curious.
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Old Feb 25, 2012 | 11:06 AM
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Why bother...

Car can't reach 160 or 175
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Old Feb 25, 2012 | 11:25 AM
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Good question I have seen them for sale on eBay claiming to be nos

Clubby is right though I once saw a c3 when I was 7-8 years old try to do over 120mph on a cross country trip with family guy flew buy us like a rocket an about a mile up he came over a hill and it was STUPID windy the car flipped on it it's tops and just skid for a while several people stopped but we couldn't don't know if that guy lived or not but the cars are not to friendly at high speeds wind gets into the wheel wells an under the fenders the c3s literaly will fly for about 2 seconds before crashing

Last edited by jesse10886; Feb 25, 2012 at 11:41 AM. Reason: Stupid iphone
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Old Feb 25, 2012 | 12:06 PM
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This is my speedo but I don't have idea where it come from.The P.O. installe dI think year ago!
[IMG] Uploaded with ImageShack.us[/IMG]
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Old Feb 25, 2012 | 02:33 PM
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Originally Posted by Clubby99
Why bother...

Car can't reach 160 or 175
Thanks, you're are a veritable fountain of worthwhile information.
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Old Feb 25, 2012 | 06:41 PM
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Your 175 unit is probably custom. I re-did an 85 mph speedo for another car to 140, and had a speedometer shop calibrate it. The mention of coming close to 175 in an 81' obviously isn't gonna happen, unless you've got one heck of an engine, and taller gearing. My C6 ZO6 will do over that, but not with me driving it. Sometimes hit near 150 at road track events, and plenty fast for me.
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Old Feb 25, 2012 | 06:44 PM
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at 85 in my '81 the car becomes scary enough
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Old Feb 25, 2012 | 06:51 PM
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I think I am going to not like being a gal on a guy-type forum Poor hubby has to do the speed limit while I am in the car, but going to work on the back roads I do 70+..... But high speeds are for the young and daring,

My 1980 Vette has the gov't friendly 85 mph speedometer, way enough for me....

Cheri, ya'll be careful out there
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Old Feb 25, 2012 | 07:01 PM
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Originally Posted by ZZ383
Thanks, you're are a veritable fountain of worthwhile information.
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Old Feb 25, 2012 | 07:30 PM
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Mid 79 through 81 had the 85 mph speedo, if I remember correctly. I found an early 79 speedo and tach on the forum that was a 140 mph and had the L-82 tach. They look and work great in my '80 with new bulbs and a general cleanup.
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Old Feb 25, 2012 | 07:46 PM
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Don't recall ever seeing one that goes to 175 before. Pics???

My '78 SA (originally an L82) came with 140 speedo, but I changed it out ages ago to one from Corvette Clinic, just like that seen below. (Sorry, before anyone asks, the one pictured has already been sold.) Pippo's somewhat favors the one carried by Eckler's, no?



...and, yes, there are a few C3's around which can definitely peg that needle.

Last edited by TheSkunkWorks; Feb 25, 2012 at 10:06 PM. Reason: spelling, doh!
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Old Feb 25, 2012 | 07:53 PM
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I have nothing to add to this thread, except this pic I took last summer after a Sunday drive........

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Old Feb 25, 2012 | 08:11 PM
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<---has gone 185-190.....not in my Corvette though
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Old Feb 25, 2012 | 08:48 PM
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Originally Posted by TheSkunkWorks
Don't recall ever seeing one that goes to 175 before. Pics???

My '78 SA (originally an L82) came with 140 speedo, but I changed it out ages ago to one from Corvette Clinic, just like that seen below. (Sorry, before anyone asks, the one pictured has already been sold.) Pippo's somewhat favors the one carried by Eckler's, no?



...and, yes, there are a few C3's around which can definitely peg that neddle.
Ding ding ding. This is exactly what mine looks like with the exception of it is a 175 mph speedo. It seems I may not have been clear with my original post. I was only interested in whether my speedo was a factory piece out of another model, not driving my car at 175mph. While I don't intend on going that fast, the 85 mph speedo was not enough.
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Old Feb 25, 2012 | 08:50 PM
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Originally Posted by TheSkunkWorks
...and, yes, there are a few C3's around which can definitely peg that neddle.
Here's one of the few...

I never reached that, but the previous owner had a 4 speed in it. Then he decided to go back to the three.

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Old Feb 25, 2012 | 10:05 PM
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Originally Posted by ZZ383
Ding ding ding. This is exactly what mine looks like with the exception of it is a 175 mph speedo. It seems I may not have been clear with my original post. I was only interested in whether my speedo was a factory piece out of another model, not driving my car at 175mph. While I don't intend on going that fast, the 85 mph speedo was not enough.
Maybe CC did yours too. In any event, it would certainly be an aftermarket piece.

My remark about high speed sharks was intended for the benefit of non-believers among us.
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Old Feb 28, 2012 | 05:14 AM
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Originally Posted by 7t2vette
I have nothing to add to this thread, except this pic I took last summer after a Sunday drive........


That was not in a C3.
Did you have the GPS in a small plane during the 175m blast ?
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Old Feb 28, 2012 | 07:33 AM
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Originally Posted by couperdecar
That was not in a C3.
Did you have the GPS in a small plane during the 175m blast ?
No, it was in his prized Pinto.
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Old Feb 28, 2012 | 08:18 AM
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Originally Posted by 7t2vette
I have nothing to add to this thread, except this pic I took last summer after a Sunday drive........

All without spending a penny on gas. Well done!
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Old Feb 28, 2012 | 09:08 AM
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My friend posted a gps picture like that on facebook. turns out he was riding in a train.
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