sohc's use top feed injectors, so all you have to do is drop in some DSM 450cc and you will be good.
check the impedance across the stock injectors. if it is high (8-12+ ohms) then you will need a honda resistor box installed. if it is low, (2-6 ohms) then you can drop the dsm injectors right in. You could also run somethin glike msd72# if you erally wanted. Just find the right o rings that make both sides seal perfectly and you're ready to go. Also an injector clip change is probably necessary, but maybe not.
Good luck finding a head gasket and all that for a sohc, there's a good possibility you can use the DOHC head gasket that is metal by cometic for it, as well as using the ARP head studs for it. that's what you really need to do if you're going to boost the single cam.
Why waste money with microtech ?
Get a DIY Megasquirt system for $200 or so , and have taylor make you a harness for it.
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rest in peace tim.