Not exact matches
Also, the specialists recommend
changing the
spark plugs rather more often than the 40,000 - mile
intervals that official dealers suggest.
The catalytic converter and GM High Energy electronic ignition were advertised among the components of «Chevrolet's new Efficiency System» which was promoted to offer other benefits to owners of 1975 models versus comparable 1974 models that included extended maintenance
intervals from 6,000 to 7,500 miles (12,100 km) for oil / filter
changes and
spark plugs that lasted up to 22,500 miles (36,200 km) compared to 10,000 miles (16,000 km) on»74 models.
Oil
change intervals have been lengthened, the clutch is self - adjusting,
spark plugs can go 100,000 miles between
changes and the optional five - speed automatic transmission has fluid that never needs
changing.