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~Nutzos Gts4 Rb25Neo Build~

RBish
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RBish Collaborator

RBish

Posted
Posted

hey people so my r32 got a new sticker the other week so i decided perfect time to start the build. car is going to be used for daily duties and occasional track events. i am doing all the work myself and with friends.

my car -

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my engine -

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my tools-

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atm i am just tidying things up and cleaning the metal up. then going to do the 100k service. then start buying and fitting new parts.

future mods to come-

Garret 3076r

external wastegate

custom screamer/dump pipe

6boost low mount manifold

hks adjustable cam gears

hks timing belt

256 poncams

greddy front facing plenum

nismo mounts

bigger injectors

hks rail

bigger fpr if needed

splitfire coils

haltech 1000 ecu

haltech race dash

mechanical diff

if you have any advice for planned mods or want to suggest different mods feel free to post... only if you know what you are talking about as i dont have the time nor want your advice if you have not tried it before.

as more money is available for parts and more work gets done i will update.

nut.

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https://www.sau.com.au/forums/topic/387150-~nutzos-gts4-rb25neo-build~/
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  • 2 months later...
RBish Collaborator

RBish

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  • Author
Posted

just done water pump/timing belt/ exhaust cam gear/oil filter mount/rocker covers today, took the photos before the rocker covers and oil filter mount were back on.

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i am now planning on using all the stock manifolds, turbo, ecu, injectors just so i can get the car rolling and regoed asap. then collect all the mods and install them in one go and then tune it. other wise the car wont be ready for a year. so all i need now is the injector o rings which work is getting in for me next week, a blue relay, oil & fuel filter. chuck it all back together, remove the rb20, swap front diff centres, re-condish the front half shafts, drop in the 25 then wire the cluster :@ i have also just purchased a second hand set of light weight enkei rims 12 spoke 100% condition for a great price.

Chris Rogers Grand Master

Chris Rogers

Posted
Posted

well i have the starndard gts4 @ 4.311 rear centre in so i need to match that, think i will just swap the rb20 front centre into the rb25

if i am incorrect somebody please let me know.

which is what I am doing.

Chris Rogers Grand Master

Chris Rogers

Posted
Posted

my new Jland wheels. :) 17'x9' unsure of the offset, hoping they will bolt up without any issues. they are made for a GTR so i may need spacers... can anyone could confirm the model?

if they are GTR then you may have trouble at the rear. I have issues with the BBS 17s I used on mine. they hit the guard.

RBish Collaborator

RBish

Posted
  • Author
Posted

i made a good start to getting the motor out today, unbolted the ecu and removed the engine and dash loom plugs, dropped the tail shaft, the clutch slave, the bell housing bolts underneath, the starter, drained the front diff oil. unbolted the left front half shaft, had to leave the front tailshaft as i need some thinner spanners to get onto it, so i will do that tomorrow. removed airbox & all the piping, removed the viscous fan, drained the coolant & removed the radiator and shroud, unbolted and moved p/s pump and a/ compressor to the side, removed the belts, unhooked the throttle cable and moved it aside, loosened the fuel lines to rail so there ready to come off when the motors ready to come out. tomorrow will get a jack under the gearbox and drop the crossmember, lower the box so i can get the top bell housing bolts out, unhook the heater hoses, remove both front halfshafts, drop the k frame bolts a little to get some clearance on the front diff then unbolt the engine mounts and out she will come, hopefully biggrin.png

i am not removing the gearbox as i font want to bleed the attessa, i have done a nismo fork pivot previosly when i did the clutch so will just regrease the input and new spiggot in the crank and solid gearbox mount and that will be fine.

i also test fit the RPF1s on the front and they foul the calipers and the piece between upper and lower control arm so will definitely need some spacers... does anybody know what size spacers i will need to make the RPF1s fit?

  • 2 weeks later...
Adriano Grand Master

Adriano

Posted
Posted

Wouldnt it be easier to swap the sumps, then you dont have to reshim the diff to get the clearances right.

As far as turbo choice, a gt30 doesnt need an external gate, as long as you get a genuine garrett exhaust housing, the internal gate is fine.

RBish Collaborator

RBish

Posted
  • Author
Posted

i was thinking its gonna be harder than people have said and i have reshimmed diffs before at tafe but after looking at the setup i couldn't see the shim so once i get the rb20 out i will look at swapping the sumps. i was hoping the car would be done at the end of the week but atm its more looking like the new motor will be in at the end of the week, with the wiring left to nut out.

  • 1 month later...

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