Generally
For cars with original HEI switchless ignition system
A good value spark plug kit, complete with spark plugs.
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Ignition cable set, For cars with HEI
565 kr
For cars with original HEI switchless ignition system
Tip!
Keep in mind that the cables should not run like straight lines of clothing under the hood. They should be soft bends and closest to the distributor they should go an extra turn so that you can lift off the distributor cap without removing the ignition cables. So loose and free, but they must not lie close to the manifolds so they will be burnt to pieces. Put a thin layer of spark plug grease inside the rubber of the spark plug before pressing it onto the spark plug. The next time you have to remove the spark plug, it will not be stuck on the spark plug, and moisture will not get into the spark plug. BUT keep in mind that this special grease does not conduct current, so keep it away from electrical parts that must conduct current.
HEY?
HEI Means: High Energy Ignition And it was the new switchless ignition system that GM came standard with in 1975, in 1974 it was an optional extra on Cadillac.
If you have an HEI ignition system, the distributor cap is mounted with 4 screws and the ignition coil sits on top of the distributor cap.
If you don't have an HEI ignition system, the distributor cover is mounted with 2 screws and you have a regular round ignition coil that sits a bit from the distributor.
