Variable-ratio power steering

Years 1970–72 Models 3 Factory citations 2

Also described as Power steering — variable ratio

Documented applications

Cutlass / 4-4-2

1970 Factory-verified

Factory list: "Power Steering - Variable Ratio"

GM Heritage factory kit — 1970 Oldsmobile 442 Info Kit, p.230.
1971–72 Factory-verified

Factory list: "Power Steering - Variable Ratio"

GM Heritage factory kit — 1971 Oldsmobile 442 Info Kit, p.224.

Full-Size 88 / 98

1971–72 Confirmed

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Toronado

1971–72 Confirmed

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This page aggregates every documented appearance of N-47 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.