Well, it depends on your budget. If you got like 2-4 grand to spend, get a Motec, Haltec, EMS, Autronic, Pectel, Gems, DAT or something like that.
A real EMS. Then you got a ton of things to play with, a PRO-way to go.
In other hand, if you dont have tons of cash and you want to diy and learn, then get an MegaSquirt 3, best for DIY, most of the same feature than boxes on my first list but more hands on type of thing. Biggest thing in EMS these days around the world. Everything can be found in the net and if you have a problems, help is just email a way.
In TT engine you want to seqvental ignition and fuel, so you can tune it more accurately and you will have a data logger what to check when you are tuning it or run in to trouble.
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