Question about Chevrolet C3500
Hi, I have pasted the procedure below. Your spec is 0 degrees (right at TDC).
CHECKING AND ADJUSTMENT
Do not pierce the plug wire insulation with HEI; it will cause a miss. The best method is an inductive pickup timing light.
The tachometer connects to the TACH terminal on the distributor and to a ground on models with a carburetor. On models with fuel injection, the tachometer connects to the TACH terminal on the ignition coil. Some tachometers must connect to the TACH terminal and to the positive battery terminal. Some tachometers won't work with HEI.
WARNING Never ground the HEI TACH terminal; serious system damage will result.
TDC or Top Dead Center corresponds to 0°B, or BTDC, or Before Top Dead Center may be shown as BEFORE. A, or ATDC, or After Top Dead Center may be shown as AFTER.
Posted on Mar 25, 2011
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Posted on Jan 02, 2017
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