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Hi guys, im new to the forum but just recently bought a r32 with a half started rb25det conversion. Anyways i was told it was a r34 neo engine (which i was sure it wasnt). But now I need help identifying what I actually have so i can buy the right coil packs and power fc etc for it. I have tried googling the ecu numbers but nothing comes up.

So the ECU number is MEC-R521 A1 1077 and the wiring with is seems to be right for it. I was thinking it was a series 2, but I found a broken igniter that seems to fit the harness in the boot amongst a whole heap of other parts.

Heres a link to the car i bought

http://www.boostcruising.com/forums/index.php?showtopic=731643&hl=

and heres a pic of the engine sitting in the car:

post-85299-0-15827300-1306566979_thumb.jpg

Edited by dantheman88
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https://www.sau.com.au/forums/topic/365834-help-identify-my-engineecu/
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i think it should be a rb25det series 1 motor, the ignitor on coil cover lines up, the cas, and some bolt patterns/pipe plugs on the cam covers show its not a neo, i dont have half the bolt patterns or plugs on my neo.

Isn't that just for vin numbers? It's a conversion so it won't match anyway

What would I look for then? Is there anything on the wiring loom or ecu that would maybe show a difference between a series 1 and 2 besides the igniter? Or maybe take the ecu somewhere to see what power fc would fit it? Or do the series 1 and 2 Ecu's use the same Power fc's?

if you take the head off, and you see the pistons, you can tell if it is a r33 rb25 or a r34 neo rb25, different pistons. and im also trying to figure out how to tell a series 1,2 and neo apart from one another.

  • 2 years later...

if you take the head off, and you see the pistons, you can tell if it is a r33 rb25 or a r34 neo rb25, different pistons. and im also trying to figure out how to tell a series 1,2 and neo apart from one another.

Are you saying all r34 rb25det are neo's?

=)

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