Table of Contents
Should HEI distributor be grounded?
Engine man The modules and pickup coils shouldn’t be grounded to the distributor either. The newer HEIs have the coil mounted to the engine block so it gets it’s ground through the mount. Points need a ground in the distributor, but the electronic systems shouldn’t.
Does HEI distributor need a ground wire?
When you have an external coil (hei), ground wire in cap is not needed.
How does HEI distributor get its ground?
How do you ground a HEI distributor? There is a ground strap that bolts to the outside of the coil and comes out between the battery terminal and the tach terminal. From the factory the module harness atatches to this and the distributor in grounded to the intake.
When did the GM HEI ignition distributor come out?
GM’s high energy ignition (HEI) distributor has been used as an affordable, easy to install performance distributor since its introduction in the mid 70s. It should come as no surprise being one of the most popular options among modern rodders and race enthusiasts to this day.
What are the colors of the HEI distributor?
On a factory HEI, the primary coil leads will either be white and red, or yellow and red. The colors of the leads determine the direction the coil is wound, which determines its polarity. Whenever you are replacing a coil or distributor, it’s always a good idea to be sure to the ground clip is transferred from the old cap to the new.
Is there a Hei on a Chevy V 8?
Starting in 1981, ignitions with complete computer control of spark timing use a seven terminal mod- ule. There is no vacuum or centrifugal advance. In 1987, a “small body” HEI using a separate coil was introduced for Chevy V-8. This is completely computer-controlled and has no centrifugal or vac- uum advance.
Which is the heart of a HEI ignition system?
HEI ignition systems are very dependable and offer great performance on a number of applications. The heart of any ignition system is the coil, battery voltage is supplied on the positive side, while the negative side is repeatedly pulsed to ground.