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-   -   MSPNP2 and sequential spark (https://www.miataturbo.net/mspnp-55/mspnp2-sequential-spark-99175/)

ATX. 01-27-2019 08:54 PM

MSPNP2 and sequential spark
 
Hello

Looking to wire up some LS coils and I have it 90% planned and figured out but I jeep finding contradictory info regarding the hardware requirements to run this on my board.

INFO
MSPNP2
v3.57
1994

my question is, can I just use two of the factory spark signals and then just add 2 more signal wires for the remaining cylinders onto 2 of the pins associated with spark output (pins 14-17, and yes I know the is specific like 1342 or something like that)?

Or do I need to free up a spark driver? I read that in order to do sequential spark, need 4 spark drivers, but cant find out for certain whether i have 2 or 4 dedicated spark drivers. In some documentation, it recommends to convert the ALED and/or WLED outputs in order to use their circuits.

Thanks and sorry if this was already answered in another post, but i found contradicting answers and just wanted the up to date perspective on the subject

Skamba 01-28-2019 04:03 AM

Why not run wasted spark?

ATX. 01-29-2019 10:52 AM

Good point. Im just gonna run wasted spark then. Thanks!


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