Technical > Matt Shaff's Engine Shop
Mag or electronic ignition.
George:
It's time for a new thread.
I currently run the MSD 12LT magneto with a tach convertor to run the rpm modules. We upgraded the engine last year and the engine builder/ dyno operator talked me into a MSD digital 6 + system. We dynoed the engine with a MSD 6 with good numbers. MSD told me not to run the Digital 6 + if I were using the same battery for both the ignition and to start the car. I didn't see any on track difference between the Digial 6+ and the 12LT mag.
Spark plug gap is the reason I tried the electronic system as I could run a .030 gap. With the mag .018 is the maximum. I'm told the wider you can open the plug gap the greater the potential power.
What's your take on this? Thanks. George
slingshot383:
With my injected alcohol motor and 14.5:1 compression, I was told to take off the MSD 7AL3 and go to a mag. Now I'm putting a blower on , and the mag is the only way to go.
wideopen231:
They make ignition other than a MAG?
George:
--- Quote from: wideopen231 on June 20, 2013, 04:04:32 PM ---They make ignition other than a MAG?
--- End quote ---
Yes, and there are some very fast cars running them. ;D
wideopen231:
yea those old long cars running two mags are so slow at 330 mph in 3.7 seconds.
If god wanted man to run other ignitions he would have gave man brains to make magneto's. I'll take a MSD mag any day.Besides not all cars have a battery on board.
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