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8.2.4. Adjustment of a corner of an advancing of ignition

MODELS 1,3, 1,4 AND 1,6 L (16 SH) WITH THE CARBURETTOR AND MODELS OF 1,8 L (18 E) WITH SYSTEM OF INJECTION OF FUEL

The models using ethylated gasoline

Statically the ignition advancing corner in contactless system of ignition cannot be checked.

Dynamic check of a corner of an advancing of ignition can be made with use of a stroboscope. Keep in mind that the distributor of ignition is fixed by two nuts instead of a tightening bolt.

On models of 1,4 l there are two tags on a pulley of a bent shaft. The first corresponds 10 ° to VMT, and the second – 5 ° to VMT.

On models with contactless distributors of ignition check of a corner of the closed condition of contacts is not required.

The models using unleaded gasoline

The engines installed on cars can use high-octane unleaded gasoline.

On models of 1,3 l (13 N and 13 NB) with a low compression reinstallation of a corner of an advancing of ignition is not required. On all other models it is recommended to make adjustment of a corner of an advancing of ignition according to the following principles.

PERFORMANCE ORDER
1. In the presence of a detonation in cylinders of the engine it is necessary to reduce an ignition advancing corner on 3 °.
2. If the detonation in cylinders still occurs, it is necessary to reduce an ignition advancing corner even more.

OTHER MODELS

On other models the corner of an advancing of ignition can be checked a stroboscope, but adjustment of a corner is not provided. If the corner of an advancing of ignition does not correspond to demanded, it is necessary to make check and adjustment at specialized service station Opel.