LT1-LT4 Modifications 1993-97 Gen II Small Block V8

110 mph speedo in Z28

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Old Sep 11, 2006 | 07:01 AM
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Default 110 mph speedo in Z28

I am looking at a 94 Z28. It has the 110 mph speedo, can this be changed to the 150 mph (or whatever it is) speedo?
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Old Sep 11, 2006 | 07:58 AM
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im sure you could get a guage cluster from a wrecked car or something and it would work fine. but i think the speedometer should be the last thing your worried about before purchasing a used car.
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Old Sep 11, 2006 | 08:15 AM
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I don't know what I would do with that low of numbers on the speedo. It would be pegged a few times..
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Old Sep 11, 2006 | 08:24 AM
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Originally Posted by Schweet97Z
im sure you could get a guage cluster from a wrecked car or something and it would work fine. but i think the speedometer should be the last thing your worried about before purchasing a used car.
Yeah i'm looking at everything else on the car to, to make sure its in good working order. But I was just curious about this for later down the road, if I bought it. I've heard about some Z28 coming with 110 mph speedo's but this is the first one I came across. Thanks for replying.
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Old Sep 11, 2006 | 08:43 AM
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It's plug and play. Just get a 150 cluster from a 94-97 and hook it up. You also have the 2-3-D-R-P, granny gears, rev limiter, and non z rated tires.
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Old Sep 11, 2006 | 08:54 AM
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94-96, 97 he would have to change his entire dash.
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Old Sep 11, 2006 | 09:15 AM
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Originally Posted by Honda Hunter
It's plug and play. Just get a 150 cluster from a 94-97 and hook it up. You also have the 2-3-D-R-P, granny gears, rev limiter, and non z rated tires.
So that model has other things that are different than the normal z28? Does the 2-3-D-R-P, mean that it just doesn't 1st and overdrive on the gear selector, or is it a differnt trans.? And the granny gears, is that just a high rear gear? Sorry for the newbe questions but when I was doing my research on 93-97 camaros I didn't come across much on this model. So whatever info you can give me would be helpful. In the mean time I'll try to do a search to find out more. Thank you
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Old Sep 11, 2006 | 09:32 AM
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It's a 4l60E like the 94-97's but it doesnt have the other options. I bought a 97 T/A center console and replaced mine completly so I could take advantage of my Transgo. Granny gears are I believe 2.73's though I may be wrong.
It's just minor things that you wouldve changed anyways if you think about it except for the cluster. I stand corrected 94-96. Could be 93-96 but 93's are wierdos and it's hard to tell what they share and dont share with the newer models.
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Old Sep 11, 2006 | 09:43 AM
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i beleive you have a speed limiter at 110 too......im not completley sure on that....but i think so
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Old Sep 11, 2006 | 09:51 AM
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Youre correct.
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Old Sep 11, 2006 | 09:52 AM
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it is infact a 2:73 geared car if you have those gear selections on the counsole. the reasoning behind the 2:73 geared cars not being able to select first gear is because when you would select first gear at a certain mph it would kick down in that first gear and would not pass noise requirements. so gm had to put in a rubber bumper that would lock all 2:73 geared cars out of first. now to be able to select first gear, there is a simple mod you can do and that is to take the counsole out and cut the bumper off. it takes 5-10 min.

http://www.97transam.com/97ta-shiftmod.php
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Old Sep 11, 2006 | 09:54 AM
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isnt the reasoning behind speed limitations due to the tire rating the customer order when first purchased?
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Old Sep 11, 2006 | 09:56 AM
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yep...i think id just try to find a car with the Z rated tires and 150 speedo....could save you some headaches
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Old Sep 11, 2006 | 10:04 AM
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Yeah you can change it out. Kinda fun to watch how fast the speedo moves.
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Old Sep 11, 2006 | 10:05 AM
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Dont let it scare you. You may miss out on a great car for no good reason.
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Old Sep 11, 2006 | 10:12 AM
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Thanks for the help, everyone.
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Old Sep 11, 2006 | 11:43 AM
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My 6-speed car has the 110 speedo....
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Old Sep 11, 2006 | 12:10 PM
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probably because it didnt come w/ z rated tires....
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Old Sep 11, 2006 | 01:32 PM
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My car came with the 110 speedo and all those crappy options you guys speak of. The limiter actually shuts you off at 105 not 110. I never got another gauge cluster because 1) I thought that the mileage would be off and logged into the other cluster
2) It sure looks more badass watching the needle rise twice as fast on the 0-110 speedo , and I rarely go over 100 anyways.
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Old Sep 11, 2006 | 05:02 PM
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Alot of you are right. If you got a Z-28 with H not Z rated tires it only came with a 110 speedo. My car only has a 110 speedo I did swap in a 150 to see if it worked, and it did. One good think about a car with a 110 speedo is that its more than likely lighter than most other Z-28s, seeing that it the dont usually come with a whole lot of comfy related options.
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