How does a Chevy HEI distributor work?

HEI uses no ballast resistor or resistance wire. In a GM HEI system, the module replaced the contacts of the breaker points and the pickup coil was substituted for the rubbing block and distributor cam. The ignition coil fires when the module shuts off voltage to the coil primary. This is akin to the breakers opening.

What was the HP of a 1986 Chevy 305?

The mid-80s saw a change in the fuel delivery method to Tuned Port FI, which was employed until the extinction of the engine. The engine achieved its highest hp of 220 to 230 hp at 4,400 rpm in the mid to late 1980s. The 1986 Chevy 305 was one of the most powerful of the modifications to this engine.

How does a HEI distributor work on a Chevy C10?

Without vacuum. The C10 ignition distributor sends the voltage from the ignition coil through to the spark plugs so they fire in the correct order and start the combustion process. If you upgrade to an HEI distributor for Chevy C10, you enjoy even more amps and higher voltage from the improved spark.

What was the bore and stroke of the Chevy 305?

The bore measured 3.736 inches and the stroke 3.48 inches. Some enthusiasts consider the bore/stroke ratio to be slightly better than that of the more powerful 454 Chevy engine as well as other 4,030 x 4,000 stroke engines. The performance of the Chevy 305 engine has been described by as disappointing, especially in the GM F- and G- bodies.

What was the name of the 1980 Chevy 305?

The 305 was even used for a special edition 1980 Corvette. After 1996, GM installed the Chevy 305 in small Chevy and GMC trucks and SUVs and renamed the Vortec 5000.

When did the Chevy 305 engine come out?

The small block Chevy 305 engine was introduced in 1976 as a fuel economy engine. It has the small bore of the 265 Chevy engine (3.75 inches) and the long stroke of the 350 Chevy engine (3.48 inches). Many parts are interchangeable between the small block engines, and most maintenance procedures are the same.

What kind of spark does a 1986 Chevy 305 have?

1986 Chevy 305 w/ HEI No Spark at Plugs. I have a 1986 Chevy c/10 with the 305/5.0 in it and a HEI ignition and Vacuum advance. Heres my problem: I was driving along and I lost all power in the cab of the truck, the head lights worked but nothing else.

How do you set the timing on a Chevy 305 engine?

How Do You Set the Timing on a Chevy 305 Engine? To set the timing on a Chevy 305 engine, locate the timing mark near the harmonic balancer. Turn the crankshaft with a ratchet until the timing notch is visible.

What was the name of the Chevy Pick Up Coil?

Yea Tom the Pick-up coil’s wires were famous for breaking inside their insulation and the insulation not even crack. It was an automatic thing back then, during a cap & rotor change; too hook your finger around the individual wires from the pick-up and give them a bit of a tug.