RB25DET Series 1 & Series 2

[Z U L8R]

sil 85 ^ , just look at the coil packs and see if they have a little hump on the top of them, if so then it's just a series 2, the only difference is it doesn't need an ignitor aka power transistor unit to amplify the ecu's signal to each coil, in order to activate the coil, that's why it doesn't need a coil relay and that's why there's no thick red wire on the dash plug for that. everything is the same though.

when i did my friend's series 2 in his 240z we actually had a pad coil pack on cylinder 1 and the rest didn't look that great either, and since the series 2 coil packs are different, they're not as common and readily available aka expensive. so i wired in a 300zx ignitor (ptu) and a buick grand national coil pack and ran 8.5mm msd spark plug wires to each of the cylinders (total cost was like $200 for all the parts) , converting it all to a "wasted spark" set up like the Aussie's with 800hp+ do ^_^ GANGSTA!, plus rb25's with shiny top mount turbo's and spark plug wires going to each cylinder looks sexy ooOOoo BUKAKE!! @@