Gtr Rebuild - Undecided Need Input :)

[RICK-GTR]

Hey guys,

Just done bottum end on my stock 33 GTR, probably bearings. While im down there im going to put some pistons, rods n n1 oil pump in aswell. Im thinking about a new crank too if needed? ill be sending the block away aswell if i decide to keep the rb26 bottum end. After thinking of replacing all the internals it might be better for me to go rb30 bottum end if im going to be buying everything new anyway?

I currently have standard turbos running @ 1bar. I can source a gt42 1000hp turbo pretty cheep. what else would i need to upgrade even if i run the gt42 on low boost for now untill i can afford to upgrade the head and fuel system?

:EDIT: another question is, to get my car back up n running asap can i have a fully rebuilt bottum end and the rest of the engine stock? is there a problem in doing that?

Also would my power fc work with an rb30 bottum end?

Edited April 27, 2007 by RICK-GTR

[Beer Baron]

my advice is if you are going to get a new crank anyway, just buy an HKS or tomei 2.8 litre kit. it comes with rods, pistons, rings and crank. and will be suitable for your massive power goal. also, i would forget the plan of running a massive turbo at low boost. it will be a dog. far better to get something in the 500-700hp range. don't skimp on your turbo. it has one of the biggest effects on how your car drives and performs.

[RICK-GTR]

Thanks for your reply. Those stroker kits are a bit overpriced in my opinion, dont you think?

[Beer Baron]

not really. around $5K for a kit including a 2.8 crank, good rods, good pistons, good rings.

now price up:

set of pistons

set of rods

set of rings

new R33 crank.

I would say that will touch $5K easily if you are buying good parts, and you now still have a 2.6...

[RICK-GTR]

Pistons + Rings - Arias or Cp or Tomei, up to $1500

Rods - around $1000

Crank - Around $1000

Total = 3.5k

If you go rb30 bottum end add the cost of the block and pulleys n adaptor plates i think (unsure, there is a topic somewhere) couldnt equal more than $1400 so youd probably just get it done for under 5k for rb30 complete bottum end

Prices on HKS 2.8 litre kits start from 5k for 600ps

21004-AN002AU $ 5,313.67AU HKS RB26DETT 2.8L STEP 1 441kW(600ps)

21004-AN004AU $ 6,955.01AU HKS RB26DETT 2.8L STEP 2 588kW(800ps)

2104-RN006AU $ 8,696.49AU HKS RB26DETT 2.8L STEP 3 882kW(1200ps)

[Beer Baron]

you might need to check that crank price. I have a feeling the nissan crank is a fair whack more than $1K.

but yeah the rest is about right. not sure where you got the 2.8 litre prices but last time i checked them they were much less than that.

but it's up to you. RB30 is a good option. lots of power and torque. having been in both I prefer the 2.8 though.

[SimonR32]

nissan cranks are 1100 retail, cheaper trade

those stroker kit prices dont include shipping either

[Beer Baron]

fair enough. sorry my bad.

but it doesn't change my opinion. you are getting a lot more value for $$ I think with the 2.8 litre vs rebuilding with a new stock crank. the best cars I've been in were japanese 2.8 litre strokers.

[Blitz]

New cranks are difficult to find at the moment, factor that into your considerations as well

Im with Beer Baron on this one, if you are planning to switch to a big single, the cost comparison between rebuilding your 2.6 with forged components and purchasing one of the available Japanese 2.8 kits be it an HKS or Tomei version, make the stroker kit a much more attractive option.

[R31Nismoid]

How much power do you want?

Thats really the first question as big power doesnt just mean a good motor, it means spending a lot of $$ in many other areas aswell

[RICK-GTR]

Ill be happy with 400 - 500 awkw

Rb30 block i can get for $50 too, then the cost of sending it away to get cleaned up, Im sure vl turbo internals would be cheaper than 26 internals?

Still undecided n still learning

[Angus Smart]

  RICK-GTR said:

Ill be happy with 400 - 500 awkw

Rb30 block i can get for $50 too, then the cost of sending it away to get cleaned up, Im sure vl turbo internals would be cheaper than 26 internals?

Still undecided n still learning

i dont think its that easy is it?

from memory its only certian rb30's that can be used? someone can correct me on this maybe?

for all your rb30 conversion have a good read of this.

http://www.gtr.co.uk/forum/upload/52458-rb...-lots-pics.html

it provides alot of info from a home built rb30 in a 32 gtr

[RICK-GTR]

  Angus Smart said:

i dont think its that easy is it?

from memory its only certian rb30's that can be used? someone can correct me on this maybe?

for all your rb30 conversion have a good read of this.

http://www.gtr.co.uk/forum/upload/52458-rb...-lots-pics.html

it provides alot of info from a home built rb30 in a 32 gtr

Yer i read that there is alot of little things to do and i know a place where i can get adaptor plates n stuff made for the sump etc. Unsure if rb30 would work with my power fc

[R31Nismoid]

Your using the RB26 head, so the PFC will definately work.

Whats your budget? and is it 400 or 500rwkw? There is a fair difference between the two

[Beer Baron]

you need to do a lot more research. why wouldn't it work with a power FC? how does the power FC know what size stroke your crank has? or what size bore you have? the head is still the same. the sensors are all still the same. remember the ecu just controls fuel, and spark (well obviously a few other little things too). it doesn't care about RB30, or RB31 or RB27 or RB28 etc.

i have to be honest. it seems like you have made your mind up. by all means go with the RB30, or the stock 26 build. but like I said if you are buying all new engine parts anyway the 2.8 kits are a good option and nearly all the top street and time attack cars in japan are now running 2.8...

[RICK-GTR]

  R31Nismoid said:

Your using the RB26 head, so the PFC will definately work.

Whats your budget? and is it 400 or 500rwkw? There is a fair difference between the two

aim for 450awkw that doesnt have to be right now either, i just want a bottum end at the moment to handle 450awkw and later on i will do headwork n turbo, i already have a fuel system lined up for later on also. There is no real budget but id rather do it all in stages than throwing 15k down in one week haha

Edited April 27, 2007 by RICK-GTR

[Beer Baron]

well that's a start. a reliable 450kw costs around $20-$25K.

[RICK-GTR]

  Beer Baron said:

well that's a start. a reliable 450kw costs around $20-$25K.

whatever way i decide ill be making a document for other skylines australia members with price's. I have a friend who is very good with engines n fabrication work wich we are doing everything ourselves so it will not cost me as much but i want to have some information about this kind of decission for other people.

[TTT]

there is a short rb30 thread at the top of this section..

have a read.

[RICK-GTR]

  GTST said:

there is a short rb30 thread at the top of this section..

have a read.

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