how to find the right speedo gear?

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V8-valiant

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FABO Gold Member
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hello all, just wondering how to find out what speedo gear will get me accurate speed? ive got a 26.5" tall tire, 3.55 gears, and a four speed? thanks alot!
 
i've been wondering about that as well for the past year. It appears that my car tops out at 100 mph. I was estimating 90 before.

Thanks!

Steve
 
If this helps anybody, here's the "master" list of speedo pinions still
availble for 66-75 Mopars (fit all transmissions versions):
# Teeth P/N Color

*24 3410024 WHITE

*25 3410025 BLUE

26 2538926 RED

27 52068149 WHITE

28 52068150 BLUE

29 52068151 BLACK

30 52068152 YELLOW

31 52068153 GREEN

32 52068154 BLACK

33 52068155 YELLOW

34 52068156 GREEN

35 52068157 ORANGE

36 52068158 RED

37 52068159 WHITE

38 52068060 BLUE

39 52068061 GREEN

40 52068062 ORANGE

41 2538941 RED

42 2538942 WHITE

43 2538943 BLUE

45 2538945 (Disco’d -ref.only)

* These pinions require a special adapter, now disco’d (2892994.) Allothers
use 2538608. Don't forget new seals - pkg. 4883434AA
 
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