What is the name of this?

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78C10BigTen

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I dont need it but i grabbed it just in case. Whats it called?

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Goldie Driver

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I dont need it but i grabbed it just in case. Whats it called?

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That's one of those speed reducers to correct the speedo that a few of us need, but are not sure of the ratio (well, me, anyhoo, and if that is my speedo jumping issue anyway).

What the real name is = ?, and good find!:)
 

78C10BigTen

Full Access Member
Joined
Apr 12, 2017
Posts
15,575
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23,966
Location
pennsylvannia
First Name
Ted
Truck Year
1978
Truck Model
C10 BIG TEN
Engine Size
350
That's one of those speed reducers to correct the speedo that a few of us need, but are not sure of the ratio (well, me, anyhoo, and if that is my speedo jumping issue anyway).

What the real name is = ?, and good find!:)
Itll be for sale....
 

idahovette

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Weiser Idaho
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Perry
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1975-1979
Truck Model
K20-K10
Engine Size
350
Possibly the ratio is stamped on one of the flat surfaces.
 

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