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Neo Rb25det Into A Na R34

dori34

By dori34,
in Engines & Forced Induction

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dori34 Grand Master

dori34

Posted
Posted

hi guys,

has anyone in here with a R34 non turbo chucked in a rb25det neo from a GTT into their car?

was it a direct plug in wire job?

im planning to just get the complete motor & ecu and whack it in (using the existing loom).

any tips? problems you came across etc?

cheers

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https://www.sau.com.au/forums/topic/263606-neo-rb25det-into-a-na-r34/
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Baz Experienced

Baz

Posted
Posted

Not that I've done the conversion but the wiring loom will be slightly different to cater for the sensors related to boost pressure. I know for one there is a boost pressure sensor mounted near the firewall that I doubt would be present on the non-turbo wiring loom. There are probably a few extra sensors that are present on the turbo loom as opposed to the non-turbo loom.

dori34 Grand Master

dori34

Posted
  • Author
Posted

brakes, diff & wheels are sorted.

main concern is wiring in the hunka junk.

definatelly considering it nate, for $1500 for a neo det motor is less then half price & better in the long run.

only thing left to do after is det gearbox + tailshaft & im set.

Silver_GT Collaborator

Silver_GT

Posted
Posted

if RB's are like any other nissan family engine swap (which ill be my left nut that they are) youll be fine using your old loom, maybe some things need minor mods, but they wouldnt be anything to go to town about, nissan would be crazy to make them very different (if at all)

Tbo Rookie

Tbo

Posted
Posted
if RB's are like any other nissan family engine swap (which ill be my left nut that they are) youll be fine using your old loom, maybe some things need minor mods, but they wouldnt be anything to go to town about, nissan would be crazy to make them very different (if at all)

yeah for the cost of a few wires you'd think they would make all the looms the same and just swap the ecu etc between NAs and Ts

  • 2 weeks later...
666DAN Grand Master

666DAN

Posted
Posted

My advice is not to use the standard ECU, it gets upset when it looks for the TCS/ABS controller, HICAS ECU, Boost sensor and a myriad of other minor ECU's scattered through the R34. A power FC or some other standalone would make it a lot easier to do as you won't have to trick as many inputs (as they don't use them)

As for the main sensors on the engine they're plug 'n' play from one engine to the other so you won't have to touch the loom at all :) Oh and take the butterfly valve out of the TCS throttle....2 scews hold the brass disc, easy to remove.

N-DAWG Mentor

N-DAWG

Posted
Posted
all good fellas,

thanks for the reply dan but i sticking with the NA+T

coming soon, keep an eye out for my build up thread :stupid:

Looking forward to seeing this :D Particularly with you using the Nistune, assuming that's what you're still going ahead with.

WIHAGTR Community Regular

WIHAGTR

Posted
Posted

Im planning this aswell, except gonna be a bit more difficult for me as there are complications... anyway I got a gt-v, the turbo model r34 without the actual turbo, it has the brakes, diff etc but what about the gearbox? anyone know?

dori34 Grand Master

dori34

Posted
  • Author
Posted
Didn't think you could use the Nistune on the N/A ECU...it's a pretty basic shitty thing with no upgrade ports on the board :S

hm good point, i told my tuner that im doing a na+t he said its suitable so maybe it is?

i dont want to keep hassling him with questions until its its done end of may so we'll see in 5-6 weeks :P

N-DAWG Mentor

N-DAWG

Posted
Posted
hm good point, i told my tuner that im doing a na+t he said its suitable so maybe it is?

i dont want to keep hassling him with questions until its its done end of may so we'll see in 5-6 weeks :P

Who's tuning it?

666DAN Grand Master

666DAN

Posted
Posted
hm good point, i told my tuner that im doing a na+t he said its suitable so maybe it is?

i dont want to keep hassling him with questions until its its done end of may so we'll see in 5-6 weeks :)

May be a nice little surprise when they crack it open and see it's an R33 N/A type board :)

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