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R33 Rb30 Conversion

JNR24

By JNR24,
in Engines & Forced Induction

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Bliksem Veteran

Bliksem

Posted
Posted (edited)

Only in the fact that it has to physically pump more oil around (extra oil in the lines etc) Personally I doubt an oil filter relocation kit would have enough effect to actually starve the head.

Edited by MintR33
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Duncan
Duncan

Just thought I would bump this 20 year old thread because the Skid Factory have just posted up a video summarising a lot of the content, format might be more familiar for newer members

JNR24
JNR24

fyi guys, Well yesturday i picked up a RB30 for my conversion into my R33. I will be using my RB25DET head on the RB30 block. So i started stripping the motor down, pulled the crank, pistons, girdle

Cubes
Cubes

Here is all I have at the moment: http://www.geocities.com/r32_jjc/ Unless you are on broad band make sure you right click then save as. The file is around 120kb. If there is anything I have got w

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r33_racer Grand Master

r33_racer

Posted
Posted

wont affect anything. We use a truck oil filter thats about four times the size of the std skyline one and its got about 1m of line to it and then it goes to two oil coolers and back to the motor.

Craved Grand Master

Craved

Posted
Posted
also what sump would i have to use to run in a s15?

That would depend on where you have the motor sit in the bay, best to install the motor without the sump, fabricate the mounts to suit, then see clearances to the cross member and sway bar etc

or have a chat to Fatz regarding what they did in his S13

bubba Grand Master

bubba

Posted
Posted

I haven't used SolidWorks as such, but I used to work for an automotive R&D company and there I used SolidEdge - pretty much just a leaner version of SW :) At the moment I use microstation to do all my drawings whether they be .dwg or .dgn.

</back on topic>

Waiting for my N1 oil pump and bearings to arrive then my RB30 will be running again.. after xmas will probably see a GT35R get bolted on :huh:

Cubes Grand Master

Cubes

Posted
Posted

I'm just about to get the cams sorted from Tighe cams for mysetup.

I've been recommended by both my tuner and Tighe cams to go the 265/265 in/exh.

My only small concern is will the 265/265's lope over noticeably on idle? A mate has the 254/254 cams and the idle is baby smooth; the note did change slightly but there is no lope.

If the 265/265's do lope would the 254/265 setup smooth the idle?

I wouldn't mind a slight lope but I've been you tubing SR20's (same bore stroke) with 264 cams and they lope over like bridgy's. :S

All though the SR's do run a LOT more lift that I will be running (8.9mm).

The cams are hydraulic so no doubt slightly reduced ramp rate which may also smooth idle slightly compared to rb26 solid cams.

Any guesstimates based on sort of similiar experience? :S

Adriano Grand Master

Adriano

Posted
Posted

Considering the cams you are running at the moment, either setup will be a vast improvement. Being that you aren't running a huge turbo, the power difference of the 264 inlet cam over the 254, i wouldnt expect to see an extra 20rwkw between the two. Its all up to you, but considering you are almost at the limit of streetable 2wd power, i would go the smaller inlet, to maintain the low rpm torque, and idle quality, but its all trial and error.

Cubes Grand Master

Cubes

Posted
Posted

Cheers Adriano,

I do plan on dropping a GT35r .8 on it at a later date once I push the limit of the GT30.

As Uni is now all done with and I'm working I have a fair bit more $$ to throw at the car and have some fun with it down at Mallala. So it will be primarily a car I race down at the track. Similar to the Troymeister but I'd still like it to idle 'ok' so it doesn't attract too much attention. :(

I'm hoping some one has played with 265 cams in a hydraulic head and the RB30. ;)

shanef Grand Master

shanef

Posted
Posted
I'm just about to get the cams sorted from Tighe cams for mysetup.

I've been recommended by both my tuner and Tighe cams to go the 265/265 in/exh.

My only small concern is will the 265/265's lope over noticeably on idle? A mate has the 254/254 cams and the idle is baby smooth; the note did change slightly but there is no lope.

If the 265/265's do lope would the 254/265 setup smooth the idle?

I wouldn't mind a slight lope but I've been you tubing SR20's (same bore stroke) with 264 cams and they lope over like bridgy's. :S

All though the SR's do run a LOT more lift that I will be running (8.9mm).

The cams are hydraulic so no doubt slightly reduced ramp rate which may also smooth idle slightly compared to rb26 solid cams.

Any guesstimates based on sort of similiar experience? :S

this vid is of a 33 gtst i've help built this year. its a built rb25, solid lifter head, 260/9.15 cams, big port work both sides, os valves on the exhaust side. its just sounds pure porn at ilde (~900rpm), and u should hear it on full noise ;) *creams pants*

http://smg.photobucket.com/albums/v315/Tha...urrent=Idle.flv

Cubes Grand Master

Cubes

Posted
Posted

Sounds very very nice. I've replayed it over and over and over. I could listen to it all day. lol.

All though partially due to the solid lifter setup. Hydraulic cams sound much smoother. :) A good thing for not being defected though. ;)

Cheers Shane. :(

shanef Grand Master

shanef

Posted
Posted
Sounds very very nice. I've replayed it over and over and over. I could listen to it all day. lol.

All though partially due to the solid lifter setup. Hydraulic cams sound much smoother. :w00t: A good thing for not being defected though. ;)

Cheers Shane. :)

i know myself and the owner dont get sick of it hahaha

they can be turned so its not as 'raspy' on idle, but then there goes hp, and who wants to do that? :(

he's running a 35r with the .82 rear, and power tips over at 8000rpm (although 1 silicon joiner is sucking closed at high rpm so that could be playing a part in that) so i reckon something closer to 270deg would be ideal on an rb30 with the 35r

Godzilla33 Community Regular

Godzilla33

Posted
Posted

i know myself and the owner dont get sick of it hahaha

they can be turned so its not as 'raspy' on idle, but then there goes hp, and who wants to do that? ;)

he's running a 35r with the .82 rear, and power tips over at 8000rpm (although 1 silicon joiner is sucking closed at high rpm so that could be playing a part in that) so i reckon something closer to 270deg would be ideal on an rb30 with the 35r

[/quot

How many ponies did it produce?

Bliksem Veteran

Bliksem

Posted
Posted

You could try sourcing a set of A'PEXi 270 degree cams, pretty sure these retain the hydraulic lifter setup... from memory they run 9.0mm lift.

The downside is they went out of production some time ago so Yahoo auctions may be the best bet...

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