help me sort out

[S13 240SX]

have an rb20 mafs.. but i beleive it has an rb25 pigtail on it.. can anyone help me cofrim if i have an rb25pigtal...

wires on pigtail isorgane/bluewhite/blueblack/white/black/silver

rb20 harenss mafs loom isfull white wirefull black wireblack/white and a black silver.

and can anyone help me cofrim my wiring.

i connected... it this way.

help me sort this out..

pigtail 25 .................. rb20 maf loomorange/blue ................... to whitewhite/blue ......................... to blackblackwhite ....................... to black/whiteblack/silver ...................... to black/silver.

am i correct on this??? and if i am correct then it should be working unless rb25 is ob2 and i'm confussing the ecu????

edit.. i was at first using an n60 mafs but it took a **** and now i'm trying to go back to a stock rb20 mafs.

my car problems are these... while it was running.. it ran rich and smoked soo much black smoke, ilde would jump 200, 1,500 or 1,000 to 1,500. the engine would seem rough, it would miss-fire, it sound like a disel, and it wouldn't rev. it would bog and back-fire loudly and shoot fireballs out at 4 grand.

and now it wont ever start not even with using carb cleaner in the intake.

it does have new spark plugs in it gappged at 1.1.

[S13 240SX]

anybody please?