How do i tell the difference from a S1 or S2 rb25det?

[rb25det250sx]

hey i wanna know how i can tell the difference btween a S1 and S2 rb25? I have a s13 wit a rb25 swap and want to kno which series i actually have. . Can anyone help?? =/ thanks..

[NCPP]

Are you using the stock MAF? Or a MAP Sensored ECU?

RB25s use a Green or Pink Stickered MAF Sensor.

Gen 1 - Green StickerGen 2 - Pink Sticker

Also, Gen 2 engines dont use an 'Ignitor Pack' whereas Gen 1 Does

Hope that helps you out a bit

[Gold Digger]

Are you using the stock MAF? Or a MAP Sensored ECU?

RB25s use a Green or Pink Stickered MAF Sensor.

Gen 1 - Green StickerGen 2 - Pink Sticker

Also, Gen 2 engines dont use an 'Ignitor Pack' whereas Gen 1 Does

Hope that helps you out a bit

While this info was more slated to be in the RB forum (READ STICKIES!!!), I'm gonna be nice and just move it instead of deleting it cause it is actually good information.

[rb25det250sx]

okay i dont think its a stock MAF... but whats the difference in the ignitor pack... thought they both have coil packs

[mattleegee]

Both do have coil packs...

Its easy your motor either has the big sqaure ignotor pack that installs on the center garnish (inbetween the valve covers) or it doesnt

[Coolwhip]

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