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05-22-2008, 01:58 PM
| #1 |
| Junior Member Join Date: May 2008 Location: SC
Posts: 2
 |  Speedo off I have a 86 chevy blazer 4wd auto that I just bought, it has 373 gears 33in tires and when I am going 50mph the speedo says 65. With bigger tires it should slow the speedo down not speed it up? I am not sure what the person who owned the truck before me did or didn't do. I keep getting different answers on how to correct this problem?? Is the best way to get an adapter with a 23% reduction to put on the transfer case(It attatches to the transfer case and the speedo cable into the adapter)?? I am not sure what to do???everbody I talk to is telling me something different  Thanks Phil |
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05-22-2008, 02:01 PM
| #2 |
| Senior Member  Join Date: Mar 2008 Location: Lincoln NE
Posts: 439
 | I'd take it to a transmission shop and ask them what they thought and see if I could get any free info out of them then do it my self
__________________ "She's gonna Freak when she see's my wheels" 85' Chevy C-10 Longbox (Rat) TBI 5.7 Liter/THM350 90' Chevy Suburban 4x4 TBI 350 Cu.In./700R4  http://www.truckforum.org/forums/truck-pictures-176.htm |
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