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- - new speedo gears (https://67-72chevytrucks.com/vboard/showthread.php?t=120565)

hotrodhomi

09-21-2004 08:34 PM

new speedo gears

What info do I need to get my speedo working properly? The thing reads way to fast. It says I’m going 100 on the freeway. I know I drive fast, but not that fast. Tire size? Diff ratio? Tranny is a th350.

cliffsta

09-22-2004 01:27 AM

Did you change the size of your wheels / tires? Did you change the diff ratio? Those 2 things would cause the speedo to be whack.

gchemist

09-22-2004 02:38 AM

http://www.tciauto.com/tech_info/speedo_gears.htm

hotrodhomi

09-22-2004 04:10 AM

perfect! thanks gchemist

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