Showing specs for all NA & NB Miatas

Automatic transmission drum support-to-overdrive case (1991)

61–78 in·lb in·lb6.9–8.8 N·m6.9–8.8 N·m61–78 in·lb in·lb
Single sourceOnly one non-factory source so far. Double-check before relying on it.
Applies to
  • NA 1991 (B6, 4AT)
Sources
  • Mitchell1 1991 MX-5 Miata: 1991 auto transmission overhaulTier 2
    Page PDF p. 62
    61–78 in·lb (6.9–8.8 N·m)
    Printed: “INCH Lbs. (N.m) Drum Support-To-Overdrive Case 61-78 (6.9-8.8)”
    Miata is explicitly listed for N4A-HL in the application table on PDF p. 1. Torque table on PDF pp. 61–62; limited to the 1991 Miata printout. Other Mitchell1 documents count as the same publisher.

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