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R33 Rb30 Conversion

JNR24

By JNR24,
in Engines & Forced Induction

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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

Posted Images

drft.industries.nz Newbie

drft.industries.nz

Posted
Posted
I didnt think you had vvt in the 26 head?

Just out of interest have you spoken to Robbie at RIPS?

http://www.ripsltd.co.nz/

sori, vct/ yea a lil but hes a busy guy, if im not payin him i dnt think he want to help??

and its a huge toll call lol,,

thanks

dano4127 Veteran

dano4127

Posted
Posted

go to the first page and download the pdf guide after you read that and if there are any specific questions to what your doing ask away!

the guide pretty much explains it all when it comes to what goes with what and how.

Read it carefully as i just put my motor in forgetting to do the RB25 sump mod now i gotta drop the sump off which is a bitch considering i just had the motor out on a stand!!!!!

RB26 does not have any form of VVT/VCT/VTEC

26 heads dont have vct - thats only the gheyass rb25's

my gheyass RB25 doesn't!

shanef Grand Master

shanef

Posted
Posted
kool thanks, so wat do i need to block off etc?

ive neva realy been intrested in rb30s im realy stubbrn like that,, just realy been doin others,

im not going to spoon feed you, read the damn thread and pdf

shanef Grand Master

shanef

Posted
Posted
It's so ghey that HKS decided to make one for the 26 and sell it for a small fortune :banana:

sif kill my bagging of the rb25 :(

one a side note, my billet girdles are ready :D

the one you see below is for the 4wd guys, it has the adapter encorporated in it. i can re-design it to make them for rwd rb30's, rwd rb26's & rwd rb20's. this also means my 4wd adapter plates are good to go aswell :D

girdle004zc7.th.jpg

girdle005qd2.th.jpggirdle006vc7.th.jpggirdle007ao7.th.jpggirdle008ep9.th.jpg

Craved Grand Master

Craved

Posted
Posted
sif kill my bagging of the rb25 :D

one a side note, my billet girdles are ready :D

the one you see below is for the 4wd guys, it has the adapter encorporated in it. i can re-design it to make them for rwd rb30's, rwd rb26's & rwd rb20's. this also means my 4wd adapter plates are good to go aswell :banana:

girdle004zc7.th.jpg

girdle005qd2.th.jpggirdle006vc7.th.jpggirdle007ao7.th.jpggirdle008ep9.th.jpg

so these adapters go over the top of the standard girdle?

shanef Grand Master

shanef

Posted
Posted
so these adapters go over the top of the standard girdle?

correct. the std girdle/main caps get machined down to suit.

i initially looked at getting rid of the std cast caps, but when i looked at the caps where the bearings sit, they are not round (oval shaped) and they are slightly recessed - i dont have the funds to do r&d on 2+ motors to get that style of girdle correct, but i do have the funds to do r&d on this style of girdle

drft.industries.nz Newbie

drft.industries.nz

Posted
Posted
Wing it.. If you haven't got half a brain to work out the problems as you come across then its best you don't do the conversion. :banana:

Get the two motors in front of you and have a look. Its all quite simple.

yea i get that, i only have the head to look at, block is at machinests waiting on wat to do,

im just tryna cut down time,,,

Alf Proficient

Alf

Posted
Posted
sorry for asking this probably been asked and answered a few times but im not reading 306 pages.. so can someone please tell me the difference between a rb30 short block and long block.. and does it matter what one i use

Long motor includes bottom end and head and all internal parts but no accessories.

short motor is same as above minus the head, includes internal parts inside the block and sump.

It's obvious what you need for the det conversion.

[200] Mentor

[200]

Posted
Posted
sif kill my bagging of the rb25 :)

one a side note, my billet girdles are ready :P

the one you see below is for the 4wd guys, it has the adapter encorporated in it. i can re-design it to make them for rwd rb30's, rwd rb26's & rwd rb20's. this also means my 4wd adapter plates are good to go aswell :P

girdle004zc7.th.jpg

girdle005qd2.th.jpggirdle006vc7.th.jpggirdle007ao7.th.jpggirdle008ep9.th.jpg

What are they worth?

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