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Ignition Coils
Pontiac V8 Ignition Coils
Match It to the Box — Ignition Coils for Pontiac V8s
The ignition coil is half of a matched pair with whatever is triggering it. A coil wound for a points system behind a capacitive discharge box, or a CD coil on a stock ignition, is how a Pontiac V8 ends up with a high rpm miss nobody can find.
Butler stocks the MSD Blaster 2 and Blaster SS, the HVC and HVC II race coils, the High Energy unitized coil that upgrades a GM HEI in the cap, Holley HyperSpark and MSD EFI coils, Pertronix Flame-Thrower canister coils, ProComp coils, a universal bracket and a ballast resistor.
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More About Ignition Coils
1. Start From What Fires It
Every coil below is listed against a type of ignition. That listing is the specification that matters most.
| Points | The Pertronix Flame-Thrower canister coil is a 40,000 volt, 1.5 ohm primary coil for inductive points systems, in black for a stock appearance, and it is legal in all 50 states and Canada. |
| Stock or CD, street | The MSD Blaster 2 uses special 100:1 windings, a .7 ohm primary and a 4.5K ohm secondary for 45,000 volts, oil filled in a metal canister with an alkyd tower and wide spaced brass primary terminals. It can be used with a stock ignition or an MSD 5, 6 or 7 series control. |
| CD, compact | The Blaster SS is an E-core coil at 70:1 with a .355 ohm primary, 40,000 volts and 300 milliamps of peak current when used with an MSD 6 Series ignition. Windings are encased in polyurethane and it comes with a 90 degree boot, terminal and vibration mounts. |
| 6 Series, long duration | The HVC-2 Blaster uses an iron U-core with a segmented bobbin, 100:1 turns, 44,000 volts and 450 milliamps of peak current with a 450 microsecond spark duration. |
| 7 and 8 Series racing | The HVC II is built for MSD 7 or 8 Series controls, at 70:1 with a .016 ohm primary, 45,000 volts and 2 amps of peak current. |
2. Canister or E-Core
Shape is not only styling. It changes how the coil is mounted and how it sheds heat.
| Canister | The round oil filled can that looks correct on an early engine bay. The oil keeps the windings cool. ProComp's canister coil is 40,000 volts with a .600 ohm primary and 70:1 turns. |
| E-core | Square, epoxy filled, compact and easier to mount out of sight. ProComp's E-core is a 60,000 volt, .450 ohm coil intended for use with capacitive discharge ignitions. |
| Mounting | The MSD universal coil bracket handles standard canister coils up to 2.25" in diameter and uses a bolt and nut rather than the self-tapping screw that strips. |
3. EFI Coils
Fuel injected Pontiacs want a coil that plugs into the system rather than one you wire in.
| Holley HyperSpark | 43,000 volts and 135 millijoules of spark energy when used with the HyperSpark ignition box, plug and play with Sniper EFI, and supplied in its own mounting bracket with hardware. |
| MSD EFI 6 | 43,000 volts, designed to work with the MSD 6EFI ignition and usable with other MSD 6 series boxes, supplied with a plug-in harness whose wire colors match the box and a boot and terminal to convert a coil wire from socket to HEI. |
| Edelbrock oil filled | A canister style coil with a .7 ohm primary, which Edelbrock states is the minimum primary resistance recommended for Pro-Flo 4 EFI, and which also suits other aftermarket EFI and ready-to-run distributors. |
4. HEI Owners Have Their Own Answer
You do not have to leave the distributor to get a better spark out of an HEI.
| Unitized coil | The MSD High Energy unitized coil is a direct replacement for the GM HEI coil-in-cap at 42,000 volts, 70:1 turns and lower primary resistance, and it is CARB E.O. approved. |
| Pair it with the module | MSD rates it for full power sparks to 9,000 rpm when used with the MSD HEI module, which is stocked in the caps and rotors section. |
| Or go external | A modified HEI dust cover lets you remove the internal coil entirely and run any of the external coils on this page. |
5. Ballast Resistors
One small part that is either required or actively wrong, depending on the system.
| Points cars | A ballast resistor for points distributors is stocked here. |
| When to leave it out | The ballast is not necessary if an MSD 6 or 7-series ignition control is being used with the points distributor. |
| Electronic distributors | A distributor that wants a full 12 volts must not be fed through a factory resistor or resistor wire. |
If you are buying a box and a coil at the same time, buy them as a family. Butler's complete ignition kits already pair them so nothing has to be guessed at.
Not sure what your Pontiac needs?
Email our tech team at tech@butlerperformance.com. Tell us your engine, heads, car, and power goal, and we will put the parts together as one combination that works.