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Discussion Starter · #1 ·
Hello All,

I figured I'd share my little beater build with the supra community, I've always been a huge supra fan (I6 fan in gereral and pretty much love the supra community here on SF, cars are right up the alley with what I'm into. I'm a function over form guy who loves stock bodied, clean, retarded fast street cars that get driven and hard.

Brief history of my car and I. I did a stock rb25 swap in 2005/2006 drove it stock for a year then decided to do a little single turbo (35R)... long story short I've had some real rough history with my built RB's in the past... some very unfortunate incidents that resulted in lost built motors, lots of hard work, time and money... The last my car ran was in March of 2009... and I put down the wrenches and said screw cars for a long while. It wasn't until last fall (2011) that I decided to do an RB30 build which in my opinion is the ultimate RB.. RIPZ is part of the inspiration with their bad ass RB30 skyline builds.. so I figured why not. I ended up importing 2 Rb30 short blocks for the AU... only took about 3 months to arrive and huge custom fees later...no the second block is not for sale.. its a spare. :)

I do like 240's they are very fun to drive even stock, but I love RB's even more.. just the sound they make is so ear warming to me. So the combo works good.. my car is essentially a 2800lb go-cart that makes cool noises. :)

Anyways I'll let the pics speak for themselves, you can find more at the link at the bottom.

Blocks Arrive.. what a headache getting these things here...


Rb26 Head


Stripped and cleaned


Intake and Exhaust Bowls.. start of cleaning off mill imperfections



Cleaned up



Exhaust humps removed


Drilled out oil drains



Rb30 Stripped down to short block
 

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Discussion Starter · #4 ·
Custom Clutch Fan! … Tight ass fit…


Best mod to date btw... what a tight fit though with the 2" Fluidyne... had to trim the fan blades and also reverse the clutch so it fits.. Temps stay a very cool 180-185

Had to cut hood reinforcements


I also made custom pucks that are 7/8" of an inch tall with the McKinney Mounts... pan is about 1/16" of an inch off the cross member... doesn't get any lower.. ground the front cam cover as well.. still have a tiny dent in my hood.. The RB30 is a huge motor I didn't realize its size until I dropped it in.. very big. With the valve and cam cover its taller than a 2j I believe... at least with the RB pan, not sure if the 2J pan is slimmer.

I didn't take pics of them, but I made my own sway bar adapters since the RB oilpan hits the factory sway bar cost me about $15.00 in aluminum and used the mill at work.


Polished Up after collecting 2 years of nasty rain water, leaves, acorns... ect ect




I'll work on body alignment when I'm not feeling lazy... the front could be a lot better.. but for now I don't care. I just want to drive my car... minor not functional details later..

Big Brake Upgrade

DBS 350z track rotors, Carbotech XP8 pads, R33 calipers .. stops very very hard... locks up the brakes extremely easy even at highway speeds if not careful. My old setup was factory R33 brakes with EBC green pads... meh this is much much better. I do also have a z32 brake reservoir and SS lines.

The seating


Rest of pics here:
http://s27.photobucket.com/albums/c183/Shockster0429/

Overall I am pretty happy thus far with the swap, the car has about 1000 miles on it, the motor is well broken in and no mechanical issues to speak of as far as the rotating assembly is concerned. I currently have an occasional high rpm break up with the LS1 coils (70k miles on them) as they seem to get heat soaked.. I'm upgrading to LS2 truck coils to hopefully cure this. I am also RPM limited to 6500 right now since I've got a pretty serious boost creep issue. The tial v44 is set to 11 psi with a spring.. however the gate opens at 14 psi and creeps slowly till I hit the boost cut set at 20 psi which happens at 6500... The manifold waste-gate setup is lacking and is not seeing proper flow with the added ~0.3-.4 liters of displacement over my last setup. I'll fix this as well eventually.. even short shifting at 6500 the torque of the RB30 is just awesome.. I'm seeing the gate open about 3900 rpms.

Basic Mods
Rb26/30
Haltech PS2000 Standalone
Equal Length Manifold
PT67 .68 a/r H cover Journal
V44 screamer, 50mm BOV
FIC 1100's
Dual Fuel Pumps 044 pump comes on at 15 psi (controlled by the PS2000)
Custom Rb25 Wiescos 86.5mm 9:1 Comp with 0.045 of squish
Stock HG
ARP Studs
ACL Bearings
N1 Pumps
Crank Collar
ARP SR20 Bolts
Stock Prepped Rods
Brand new CAS
Spec Stg 5 clutch
ET Streets

***Quick Video I made with the Go-Pro

No timing in the motor yet only ~9-10 degrees in boost... (will be 15-17 degrees once tuned on a dyno - car is missing 100-150 hp)

http://www.youtube.com/watch?v=Lb5NJrxggMU*****

I'd like to thank a few people who made this possible (these arn't sponsors just people who have awesome hearts and extremely helpful), without the help of my loving cousin Cody I'd still be working on this car tonight, its tough to do everything yourself and an extra set of hands are priceless... Howard at Boardman Engine, [email protected] Tuning, my machinist buddy Matt (excellent crank work), John Zuz for helping me get my Rb25 manifold to work on a 26 head. Thank you all!!

Hope you enjoy my build, it puts a big smile on my face to drive it, nothing like the scream of an RB.. and honestly its nice just to drive the stupid girl again.

Cheers,

-Cory
 

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That is the motor that should have came in all 300zx's!

Very impressed with your build!

When do you plan on tuning it?

What are your plans for setting it up to hook once you start making good power, if big power is in the future?
 

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Discussion Starter · #9 · (Edited)
That is the motor that should have came in all 300zx's!

Very impressed with your build!

When do you plan on tuning it?

What are your plans for setting it up to hook once you start making good power, if big power is in the future?
I'll tune it once I sort out the ignition break up issue. I've got d585s on their way. So maybe a couple weeks. I run et streets so traction really shouldn't be an issue over 2nd.. right now I occasionally spin 2nd if cold.

Sr20ser I had two pusher fans they block more air at speed than they being in. Clutch fan rocks, I don't care if it robs a few HP.. it keeps my engine much cooler.

Thanks for the positive comments!
 

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I'm surprised you'd go to such effort to do an RB30 when 2JZ's are so cheap and comparably plentiful... :angel:


Nice build! The R33 GT-R wheels are a refreshing change from the goofy hellaflush 18x11's with a stretched 235 that most S chassis guys prefer these days.
 

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Discussion Starter · #15 ·
I'm surprised you'd go to such effort to do an RB30 when 2JZ's are so cheap and comparably plentiful... :angel:


Nice build! The R33 GT-R wheels are a refreshing change from the goofy hellaflush 18x11's with a stretched 235 that most S chassis guys prefer these days.

Haha.. yeah stretched wheels arnt my thing... I agree I could have down a 2JZ stock block made the same power for half the price... but I wanted to keep it in the family. I like to be different as well.. I had never even seen an RB30 stateside before the two I bought.

Nice build dude,the torque from the 30 must feel sweet in the s body.
It is, its just nice to spool my turbo about ~700 rpms sooner with the added displacement.


Oh sweet good to 2 see a 26/30 over there :) we have more of those combos in Australia than Supras
Hhah yeah the AU the land where a 30 cost about ~50 bucks in a junkyard then here they are ~1500 shipped... jealous I am.

great sound but the exhaust is so small it's killing the sound.
Its a 3" straight pipe with one little dynamax blow through, its fine.. the GO-PRO really doesn't do the car absolute justice, as people who have rode in my car tell me it sounds great inside and even better from outside. But I've never been outside of it to hear it under load.

Very nice! My cousin is also doing a RB25 swap in a 240.
Good deal! He will be happy, I was never a 4 banger fan so the RB swap was a good natural fit. Good luck to him!
 
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