hi

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I am going to be asking questions from time to time on here cause I am back at school and the questions that I am going to be asking are somwhat old, been asking already, and probably easy to answer to call me a jackass I know, but I just want to hear from a more general and direct standpoint.

I have a 40000 volt flamethrower coil on my car with stock plugs and stock distributor with points and stuff. How much voltage is acutally getting to my spark plugs is it alot of just as much as a stock coil will deliver at this point???

Can I put on a 5200 Holley carburator on my car with headers first?? Compared to a Autolike 1101 carb which is better gas mileage and maintenance??

If what I found out is true on my car, I am having head problems on my car, I hear that loud tapping and grinding noise at 2100 rpm in neutral and on the road and as the rpm gets higher so does the noise level: what is the best way to fix this??? If its lifter problems not to mention the whole head is going to be a gonner soon how much will it cost to get another head even if it is stock for 65 200 cid????

Thanks to you all.
 
With regards to the coil. The output voltage really depends on the turns or windings ratio of the coil and the input voltage. Stock coils used to have a 1:100 step up ratio. The car's voltage was 12 to 15 volts. Let's say you put out 14.5 volts on your electric system, then the coil secondary voltage should be about 14,500 volts.

I have not been able to locate any information on the aftermarket coils to tell me if they have a larger windings ratio. If they had a 1:200 ratio, then you might see an output of 30,000 volts. But I doubt they have that many more windings. I think it is rated for 40,000 volts in case you have 30 to 40 volts being fed to it from a capacitance discharge ignition box such as an MSD, Jacobs etc. Feed the coil 40 volts from one of these boxes, and the coil puts out 40,000 volts with the same 1:100 ratio.

Maybe the old stock units do not have the insulation etc to handle 40,000 volts. Some coils are now built where they have less losses in the core and windings.
 
Be careful hooking up the flamethrower coil with stock points. I have heard of install's where the flamethrower's burned out points. Typically with the flamethrower you install the electronic module as well that can handle the higher output of the flamethrower. Check out the ohm rating on the flamethrower and compare that with the stock ohm rating. I believe the flamethrowers have alot less resistence then stock coils hence the higher output.
 
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