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[fonebooth]

budget is what determines what you want to do

the stock 91 efi works fine - esp for a daily driver- i have installed a few EFI installs complete and it comes down to 4 wires with the 5.0 harness

power-ground- key on- fuel pump..
no need to buy anything but the fuel lines- make a return-- i used a aeromotive reg. and ordered a billet fuel rail kit but you dont even need to do that


limitation of this is the 6500 rpm redline on the computer (approx) but with underdrive pulleys and mandrel bend exhaust with a blackmagic fan - 3.7 gears - larger Throttle body- and egr spacer.. the rev limiter i can hit thru 3 easily.. or the injectors are maxed out?? i have this setup in my 240z 5.0 conversion

i'm installing the FAST w/ Dynaformance stacked EFI into my 65 -- all sitting here on the bench-- looks fantastic IMO.. but the price is 10x what i put into the 91 efi on the 240z..

between the 2 i would choose SDS efi.. i have used it in a few cars - user friendly..

i also have a racecar with Autronic (very similar to Motec)-- but difficult setup.. runs very well on track car though