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I have a first gen. ITA RX7. I have heard of some different variations in wiring a MSD 6A with using one MSD or two, and even using three coils. What would you recommend and how would you wire it ?
Thanks for all responses.
Bill Emery
Glen Region
ITA#23
I have the various instuctions at home.
But it boils down to this: For one MSD box, install it on the primary coil. You can install a second box on the secondary coil, but there is not a significant power gain by doing this.
The only decision you have to make is wether or not to use the stock ignitors?
You can send the signal to the box direcly from the magnetic pickup, bypassing the ignitor, connecting to the magnetic pickup connector on the box. Or you can contnue to use the the ignitor and connect to the box using the small red and white wires.
There is no noticable performance difference between the two.
When you connect directly to the pickup, you are removing a possible failure point in the stock ignitor. However, should the box fail on your race weekend, if the ignitor is still in place, you can quickly bypass the box and get running again.
(I still have my ignitors in place and use a 6A box on the primary side)
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Rodney Williamson
#93 IT7
www.titaniummotorsports.com
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Having had my weekend cut short by loosing both boxes, keeping the ignitors attached is a great idea. Once I get my MSD boxes back, I'll be converting back to the ignitor on the trailing and the second box will be a spare.Quote:
Originally posted by titanium:
However, should the box fail on your race weekend, if the ignitor is still in place, you can quickly bypass the box and get running again.
(I still have my ignitors in place and use a 6A box on the primary side)
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Scott Rhea
It's not what you build...
it's how you build it
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