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Ignition Timing

  1. On 1975-79 models, check or adjust ignition timing with vacuum line disconnected and plugged and engine running at idle speed. Leave vacuum hoses connected on 1974 models.
  2. To adjust timing, turn distributor until specified mark on flywheel is aligned with specified mark on clutch housing. See Fig 1. Reconnect distributor vacuum hose.
1974 IGNITION TIMING SPECIFICATIONS

Application Timing @ RPM
R-12, R-15 & R-17 TL
  Man. Trans. 10°BTDC@850
  Auto. Trans. 10°BTDC@650
R-17 G TDC@1000
1975 IGNITION TIMING SPECIFICATIONS

Application Flywheel Mark Timing
R-12
  Man. Trans. 1 7°BTDC
  Auto. Trans. 1 10°BTDC
R-15 TL & R-17 TL 1 10°BTDC
R-17 Gordini 8 4°BTDC
1976 IGNITION TIMING SPECIFICATIONS

Application Flywheel Mark Timing
R-5 1 TDC
R-12, R-15 TL & R-17 TL
  Man. Trans. 1 8°BTDC
  Auto. Trans. 1 10°BTDC
R-17 Gordini 1 12°BTDC
Fig 1: Renault Ignition Timing Marks (Typical)
G09326536Courtesy of AMERICAN MOTORS/RENAULT CORP.
1977-79 IGNITION TIMING SPECIFICATIONS

Application RPM Timing
Le Car & R-5 800 TDC
R-12
  Man. Trans. 850 7°BTDC
  Auto. Trans. 650 7°BTDC
R-17 GTL   7°BTDC
R-17 Gordini 850 (1) TDC
(1) Timing should be 12°BTDC with both retard and advance vacuum hoses disconnected.
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