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The Blaster SS coil IS an E core coil. # 8207. Have one on a car that runs 119 mph in the 1/4, MSD # 83647 HEI module, Iridium plugs, 0.070" plug gap.

Pert has a HEI style module that provides multiple sparks to 7000 rpm. No other company has this. Those who believe in Pertronix should ask them: is it an inductive system, CD system...or something 'else' ...

That looks very Pro-Billet MSD-ish.....

And the carb choke wire should not come from the ign [ coil cct ].

Lower pic in post #43. Wires are soldered, not crimped. Good! But pick up terminals [ right side ] look to be almost touching. Not good!

I know when I helped a mate install the Pert module, we didn't even make it to the main road before it failed....

We had AI since WW2. It is called a computer.

This could be many things. If vac adv is being used & has done a lot of miles, the p/up wire could be broken. Every time the VA actuates, it flexes the p/up wires.

Yup, post #12, HEI. It is a better ign system: less coil heating, variable dwell, hotter spark for bigger plug gaps [ if you use an E core coil with it ], simplified wiring that reduces the number of connections & potential failure points. If you arer worried about failure, for a few $$$, you...

Bob, Your typing finger must get reeeeeeeeal sore typing lines & lines of negativity. Not to mention the hrs & min of your life you are wasting...& not going to get back at the end. You are a knowledgeable person. Why not just answer positively if you can help...otherwise take up bird...

Bypassing the bal res: if it is 4 pin bal res: remove the wires from each end of the bal res that connects to the coil. Using something [ paper clip?] to connect the two wires [ removed from bal res ] together. See if it is fixed.

Try bypassing the bal res.

Yup^^^.

What makes them the 'best'? Lowest resistance [ ohms ] does not mean the highest hp, because these wires also have inductance & capacitance.

Yes, MSD do it yourself kit. You can make the correct length for your combo. If you measure before cutting, you will end up with one or two spare leads.

Do not see how the 12v supply 'shorted to f/wall' could cause a coil to crack. The coil would be getting little to no current flow through it to cause any type of overload condition.

Fuel pressure affects fuel level.....which affects the setting for the floats. The 'hole' in the needle & seat also affects fuel level. The fuel pump has to have enough flow volume to deliver the reqd fuel @ peak hp. A 300 hp engine using pump gas will require about 25 gph when the mixture is...

Summit used to have a stand alone adjustable rev limiter that was pretty cheap...

Yes, you can test with dist out of the engine. Just spin the dist shaft. Check the p/up coil gap, should be 0.008", in case the dist got 'bumped' & the gap moved.

Since this happened while racing, & got progressively worse, I suspect: - bent valve - broken spring - blown head gasket. Compression test should be the next step.