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Old 03-29-2015, 07:56 PM   #35
hatzie
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Join Date: Oct 2008
Location: Wentworth, NH
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Re: speedo ratio adapter parts.

Quote:
Originally Posted by Bigstevex4 View Post
Cool I lucked out out mine is as good as you can get 1% if the mileage counter is right. only hick up is the 1st # seems funny when got 900 +It moved up level turned over 70,000 couple days later it was hanging low at 80,000. But close enough. Speedo works great!
The odometer driven gear in the speedometer head is cracked or someone reassembled it incorrectly after repairing a cracked gear or rolling back the odometer.
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1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8


RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.
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