alright im lookin to do an ecco tec swap in my 2001 cavie, and im wondering if anyone has done it, and could tell me what i need to do for it to work. any info about this would be very helpful . thanx
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there are posts all over about it
well, if you spell it right (ECOTEC) then maybe the search function would help you

PJ (DaFlyinskwirl) had an excellent writeup on the swap we did in his 2002 in the 3rd Gen forum, that should explain just about everything for you.
Arrival Blue 04 LS Sport
Eco
Turbo
Megasquirt
'Nuff said