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04-12-2006, 11:43 AM
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#1 |
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Registered User
Join Date: Jul 2004
Location: Spanish Springs, NV
Posts: 1,171
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85 mph vs. 100 mph Speedo
I've serach this and other forums.
I'd like to know if a 100 mph Speedo will work, correctly, where my 85 mph speedo is now. Will I need to re-gear at the tranny? Or??? Also, is it easy, or possible, to reset the odometer to my cuurent reading? As always, you're help is greatly appreciated. - Dave
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2003 Silverado K1500 Z71 - Arrival Blue 1973 K5 Cheyenne Blazer 350/TH350/NP203 Kids Trucks:92 K1500 Blazer 5.7/700R4 4" lift. RETIRED: 1980 Scottsdale 4x4 Founding Member: "TILT WHEEL BELLY." Club |
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04-12-2006, 11:48 AM
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#2 |
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Registered User
Join Date: Apr 2005
Location: Tulsa Oklahoma
Posts: 943
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Re: 85 mph vs. 100 mph Speedo
i would assume the tranny gear would need to be changed as well and for the odometer reading it can be changed but a PITA
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square body trucks an addiction or an investment either way they consume all my extra time and money |
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04-12-2006, 11:50 AM
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#3 |
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Professional Grade
Join Date: May 2003
Location: Fort McMurray, Alberta
Posts: 7,915
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Re: 85 mph vs. 100 mph Speedo
The two interchange without any problems. Just unbolt the one, and bolt the new one in to replace it. Only difference is that the 85 mph speedos have an orange ring, and the 100 mph speedos have either a white or blue ring. If you change the gas gauge as well, thats no concern
 You can change the odometer reading, but as 86 GMC mentioned, its a pain, lol
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1995 Chevrolet 2 Door Tahoe (6.6L LBZ Duramax / ZF6 / NP241 with 1 ton solid axle swap) |
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04-12-2006, 11:51 AM
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#4 |
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Account Suspended
Join Date: Mar 2003
Location: southern pa
Posts: 698
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Re: 85 mph vs. 100 mph Speedo
switch out to a complete older style cluster run hard line for oil pressure( so all match correctly) all you need to know is your tire size, tranny type, and your good. who knows you may be close . I went from 400 to a 700, 10 bolts with 373 to 4.56 in 14 bolt changed to c 50 cluster and was dead on when i went to have it calibrated.
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04-12-2006, 12:53 PM
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#5 |
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Registered User
Join Date: Nov 2004
Location: Jamestown NY
Posts: 731
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Re: 85 mph vs. 100 mph Speedo
Should work fine.
I have a complete cluster for sale with a 100 mph speedo for sale if your interested make a offer. http://67-72chevytrucks.com/vboard/s...d.php?t=190687
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Support your local search and rescue team.... GET LOST! Originally Posted by DURRTY if some is good more is better too much ought to be enough........ |
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