Engine ignition voltage.

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Engine ignition voltage.

Post  jones on February 4th 2016, 10:53 pm

Is there a noticeable difference in performance with a higher voltage ignition system?

The alternator I have is 170amp Mechman unit. (This unit can put out the juice.) as follows is the electrical items I'll be running. All lights are LED rated up to 24 volts, MSD Ignition, starter, power windows and power door lock's. Would it be worth the effort to run a high voltage system?

How can you raise the amperage the ignition receives ?

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Re: Engine ignition voltage.

Post  whatbumper on February 5th 2016, 12:02 am

A 16 volt system will increase the power of the ignition. We have tested about everything on the dyno to prove it.

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Re: Engine ignition voltage.

Post  jones on February 7th 2016, 11:14 pm

whatbumper wrote:A 16 volt system will increase the power of the ignition.  We have tested about everything on the dyno to prove it.


Who's 16volt batteries do you run?


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Re: Engine ignition voltage.

Post  whatbumper on February 12th 2016, 3:13 pm

Either Rock batteries or Go Lithium depending on weight requirements.

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Re: Engine ignition voltage.

Post  norm on February 12th 2016, 9:11 pm

I would say the ignition will draw what amperage it requires, it's up to the rest of the system being up to the task of being able to supply what is needed.
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Re: Engine ignition voltage.

Post  jones on February 12th 2016, 9:28 pm

I read on MSD sight that the box's limit voltage. So no matter how much voltage you give it, it's going to regulate it down. Sounds like the only way to send max amps and voltage is with a magnito.

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Re: Engine ignition voltage.

Post  FalconEh on February 12th 2016, 9:43 pm

The msd should keep the candles lit, however if it drops below 12v performance will suffer, if it drops below 11.8-ish it likely will not start either. full load all accessories running the 16v should keep the msd in its happy place with the system working properly. if you need any ballast you can add a second 12v and isolate accordingly. I use 1 battery for starter, MSD, fuel pump, and t-brake, the other battery powers everything else.
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Re: Engine ignition voltage.

Post  rmcomprandy on February 13th 2016, 12:27 am

A regular alternator will put out about 14 volts no matter how much the amperage rating is.  A custom HIGH VOLTAGE alternator would be needed.
OR, a converter to boost the voltage for the ignition system such as the "voltage booster" available from I.C.E. ignitions; works well with CD ignitions.

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