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My Rb30det Build..

nissan200sx.dk

By nissan200sx.dk,
in Engines & Forced Induction

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nissan200sx.dk Community Regular

nissan200sx.dk

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1. The RB30 4 blocks SPOOL IMPORTS was so kind to supply me with!

2. One cleaned block. Bored to the new CP pistons, and ready for install.

3. Spool conrods, ARP bolts, CP pistons - ceramic coated on top and teflon coated on the side. CP piston rings.

4. Pistons and rods mounted. Main bolts i use unbrako 12.9 bolts. (example. Opel lotus omega use this as std)

5. Fitting the intake plenum to renewed head. Portmatched, and a little porting. Otherwise std RB25 head for now. (Done the oil mods, enlarged the oil return, extra oil return to oil pan etc..

6. Engine ready to go in.

7. Old RB25DET setup.

8. New RB30DET engine in.

9. Relocation of fuse boks..

10. More engine work and the work place / car.

11. Test mounting the turbo. (GT4094R)

12. Exhaust manifold done, turbo mounted correct way, exthaust temp probes mounted at each cylender, wiring done, (only wiring in engine bay is for engine and temp probes)

13. Heat wraping done.

14. Were i am now. I need to put clamp on pressure piping, mount water cooler, fill her up and crank it. (This picture is before oil cooler was mounted, its there now. 19 rows.)

There is alot other work to the car.. But this is engine thread soo.. :-)

This is my budget build on a RB30DET.. To reach the aim i have i still need to get a double or triple clutch, and some headwork. (Cams, and springs and least!) The aim is 700 - 800 crank HP. (With MAYBE 150 NOS ontop for 1/4).. But for now it is ~500 crank HP until the things i need done are done..

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Edited by nissan200sx.dk
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nissan200sx.dk Community Regular

nissan200sx.dk

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Only engine block has cost me 5239 AUD in total to build complete with new tensioners, belt, etc.. Then there is the GT4094R. RB25DET head is std but re-newed so not that big a cost as i also already had it from me RB25 engine. exhaust manifold has cost me maybe 100AUD, homemade as all other things done to this car. Intake and throttle body is about 400AUD plus ALOT of time to make nice. Intake manifold was a very poor fit, plus very uneven in the runners.Then there is alot of small bits and pieces, dont know what that has run up in. Also got a vi-pec ECU a short time before i started with the RB30 build.

This time around i have spent a total of 16592 AUD on the car (this is including the above which is only engine..) And still need to use ~13000AUD to get the car "finished" to were i do not want more done to it.. (I know there is ALWAYS something else to do... hehe).

The last picture here is my old CA18DET setup.. Car was completely std when bought 6 years ago.

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Dale FZ1 Veteran

Dale FZ1

Posted
Posted

It's going to be interesting to see how things go. Well done :(

This would have to be one of the larger turbo sizes onto a road driven RB engine. My Vipec gave an instant first start, and an even idle within a couple of minutes. Similarly a bit fluffy off-idle when touching the throttle, but impressive out of the box. :(

nissan200sx.dk Community Regular

nissan200sx.dk

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Thank you. I am a little surprised over this build. Start right up, idle perfect, and 2 min of tuning it takes rpms perfect now. No oil or water leaks.

Only issue ive had was that oil priming thing! I was expecting a little more in starting it up, but hey! i do not complain! hehe

nissan200sx.dk Community Regular

nissan200sx.dk

Posted
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Posted (edited)

Has been out for a few runs now. :) Drives very nice. Fantastic response, can feel the 500c extra! hehe. Love this!

No use of water, no use of oil, oil is super clean to look at, perfect oil pressure. at idle (1000 rpms right now - 25 psi oil pressure @ 140F. Oil is 10w40 mineral)

I need to fit my servo steering though! Damn i need to pull in that steering wheel! And need to build the rest of the exhaust. right now it got a 40cm downpipe after turbo, thats it. (sounds really sweeeeet!!)

Need to modify bonnet to fit, cant close as new engine is almost 4cm taller than the rb25.

Edited by nissan200sx.dk
nissan200sx.dk Community Regular

nissan200sx.dk

Posted
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Hi all!!

Engine is going strong! Has almost 3 hours of drive time on it now. Oil is completely clear, oil pressure is spot on. No funny noises or nothing.

I need some info on exhaust temps.

On cruise what exhaust temp should it be around? Right now it does not go over 450C..

on full load what temp? Has not tested FULL load.

And what is considered as high temps. I can set an alarm, that will cut engine revs to what i set it to, if temps go over a set temp.

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