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Dil-Dog

Neo/Hitachi CAS help needed!

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So my mate with an r33 Coupe RWD Gtst rb25det series 2  has had cracked ringlands and pulled the motor. 

Instead of rebuilding his motor he bought my AWD Series 3 rb25det block and head. (I Have no clue what it came out from but its a low mile virgin in excellent condition)

Now when putting everything back together and "converting" it to rwd he realized that his series 2 CAS will not mate to cam gear inside the head.

SO.... what do we do:

1) Wire the series 3 NEO/plastic CAS to his OEM series 2 harness?  (can this even work?)
2) Use his original head? (beat the F*ck up from years of red line and drifting so he doesnt really wanna do it)

open to any suggestions or advice. we are kinda stuck on this and need some help.

He is using the Apexi Power FC (idk if this worth mentioning)

 

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and if you want 100% bolt in, just remove the intake plenum/runners with all sensors from the R33 RB25 and bolt the lot onto the R34 RB25 motor.

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Posted (edited)

Pin 1 is now pin 4, 4-1, 2-3, 3-2. When I did mine years ago, the doomsayers came out of the woodwork and said " you can't do it, they are different outputs". It was all bullshit. Before you get snotty with me, for all intents and purposes if you are dealing with a series 3 CAS then R34 applies.

Rb25Det Cas S1/s2 - Forced Induction Performance - SAU Community

Edited by Rusty Nuts
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