67' single point distributor system; Also ignition coils

[Dave K.]

Need help understanding distributors and the ignition coil? I have a 1967 427 390hp car with radio but no AC. Did all 1967 cars have a single point distributor? and what does this actually mean? Also I'm looking at replacing the ignition coil and I need to understand the difference between an ignition coil and transistor ignition coil? Ex: #232 and #263. Also I know my car has a coil ballast resistor and if so would I then not have a transistor ignition coil. I fairly ignorant on this topic??????????
Thx Dave

[John H.]

Re: 67' single point distributor system; Also ignition coils

Need help understanding distributors and the ignition coil? I have a 1967 427 390hp car with radio but no AC. Did all 1967 cars have a single point distributor? and what does this actually mean? Also I'm looking at replacing the ignition coil and I need to understand the difference between an ignition coil and transistor ignition coil? Ex: #232 and #263. Also I know my car has a coil ballast resistor and if so would I then not have a transistor ignition coil. I fairly ignorant on this topic??????????
Thx Dave

Dave -

All '62-'74 Corvettes with point ignition used essentially the same Delco single-point (single set of points) distributor, and your car used a #1115264 coil. That Delco distributor used a single set of breaker points, vs. some earlier C1 distributors that used two sets of breaker points. The link below will take you to an article I wrote that explains how the Corvette ignition system works, in layman's terms, including the breaker points.


http://www.lbfun.com/warehouse/tech_...tionBasics.pdf

[Dave K.]

Re: 67' single point distributor system; Also ignition coils

Thx John!....Extremely helpful!!!

[Richard M.]

Re: 67' single point distributor system; Also ignition coils

Dave, In addition to John's great document, here is one from another magazine that has much info too.

Rich

[William C.]

Re: 67' single point distributor system; Also ignition coils

If you use points you need the matching coil. The turns ratio between the primary and secondary windings of the coils are quite different