Tune-Up Specifications for Fiat | Fiat Model | Year | Dwell Angle | Distr. Point Gap | Ign. Timing | Int. Valve Lash, Cold | Exh Valve Lash, Cold | Spk. Plug Gap | | 850 Sedan | all | 60 deg | .017-.019" | 11 deg BTDC | .006" | .006" | .022-.024" | | 850 Coupe, Spider | all | 60 deg | .017-.019" | 11 deg BTDC | .006" | .008" | .022-.024" | | 124 Sedan, Wagon | 1966-73 | 52-58 deg | .016-.018" | 10 deg BTDC | .017" | .019" | .022-.024" | | 124 Sedan, Wagon | 1974 | 52-58 deg | .016-.018" | 5 deg BTDC | .017" | .019" | .022-.024" | | 124 Coupe, Spider | All to 1974 | 52-58 deg | .016-.018" | 10 deg BTDC | .017" | .019" | .022-.024" | | 124 Coupe, Spider, 131 | 1975-78 | 52-58 deg | .016-.018" | 5 deg BTDC | .017" | .019" | .022-.024" | | 124, 2000 Spider, 131 | 1979 - on | n/a | n/a | 10 deg BTDC | .015-.018" | .017-.019" | .023-.027 | | 128 (all) and X 1/9 | through 1978 | 52-58 deg | .014-.017" | 0 deg BTDC | .012" | .016" | .022-.024" | | X1/9, Strada | 1979 - on | n/a | n/a | 5 deg BTDC | .011-.014" | .015-.018" | .023-.027 |
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