Rebuilding, What Would You Do?

[maka]

Hey man,

nah i dont have an aftermarket fuel pump..

What would you recommend??

Yeah I have access to an RB26 head too.. and will try and get that for the other build, but for now, I will have to get this motor working.

And yeah there is no point having this turbo, manifold etc if i am not going to use it.. So I may as well have some new shiny bits on the engine.

Any other suggestins that I should get for a bit of poke out of the RB25..

I donno what I can hope for, but I know this turbo can produce a lot more power than the stock internals will ever handle..

Has anyone seen one of these turbos on a rb25det before?? or any engine for that matter??

Just in case you wanted to know what i am talking about here is a pic (mobile phone cam) next to another mobile just to get an idea of the size.

Cheers,

Maka.

[bubba]

Jeebus! that exhaust housing looks twice as big as the one on my new turbo!

Mate, you need to get a fuel pump if you plan on mods like this.. should really have been one of the very first things to do! I'm running a Bosch 044 intank, got it off ebay for ~$215 delivered and Hyperdrive installed it along with the required fittings and rewiring for a little under $250 if I remember correctly..

Can you get any more info on the turbo? is there a little plaque with some numbers and stuff somewhere? I'll take a guess and say LAG CITY but when it does comes on boost you will sh~t your pants Post a pic of it and any info. you can find on it, in the Forced Induction forum and someone should be able to help you identify it and its' potential. Once you know exactly what it is you can troll through the RB25 turbo upgrade thread and see if it's been used before and what you'll need to do to extract/withstand the power of that huge huffer

Did you get a dump pipe and oil/water lines with that setup?

Basic things you will require are fuel pump, ECU, injectors, fmic & exhaust.

Things that will need attention once turbo is on and tuned are stronger clutch, stronger diff, better brakes and better suspension. You may have a lot of this stuff sorted already

Edited January 21, 2008 by bubba

[maka]

Cool, yeah I have heard of a few ppl using the Bosh 044 pump.. Think I should be able to get one of those somewhere, otherwise I recall a mate telling me that he was using a Porsche 911 turbo pump on his car, which was putting out 536 on the dyno. SO i think i might look into one of those perhaps too.. Will the fuel lines be an acceptable size? Or will they need to be upgraded too?

Yeah I figured that turbo wil be a lag monster, but meh, I like the adrennalin of something like that coming on boost.. I know the feeling just from a mates car which is a R32 GTR with 2 gt35/40's comes on boost a bit late, but when it does, its sweet.. hehe.. I have nto had a good look at the plate on the turbo yet, but i know the guy told me it is a T04, as he bought it brand new, and never got around to fitting it. SO yeah I got the kit, which has all the gaskets, the turbo, gate and exhaust manifold. I am getting a dump from him too, which will just need the turbo flange replaced, but is a 3" dump. so that should be ok I think. I am going to pick up the whole kit on friday, so I will be able to inspect everything further..

So far the car has a fmic, and a 3" exhaust.. It has the stock brakes so far, but I have ordered some slotted rotors for the front and rear. I have the Bendix race pads in it, and I think i will just get some new ones fot the new rotors too... The take a bit to warm up, but once they do... It stopps. hehe The gearbox, and diff are still standard, but I have always been planning to rebuild those as well.. The clutch in it is a Extreme 12puk I think, or maybe 13puk.. not sure.. but yeah when I got it was told that it is good for 500 horses, so I think that will be up to the task.. Got my clutch pivot replaced with a Nismo one as well.. I have Bilstein shocks with HKS springs in the car now too.. only about 2 months old, before the engine let go..

Far out, I love the look of the turbo, and the housing, and far out I want an external wastegate, but maybe I should put the TD06 on to run the engine in, and get the new fuel pump, injectors, and ecu sorted before I put that system on.. The TD06 I bought as a kit too, so it has all the lines, and stuff for a straight bolt on to the RB25.. Otherwise this rebuild will end up costing a few k over budget..

Cheers.

maka.

[maka]

Hi guys,

Still rebuilding my engine, but now I have come to a point where I am stuck.. I got my Pistons all cleaned crack tested etc.. and same with crank and the rods.. But I am now tring to find bearings and rings.. They are all standard size, according to the machinist.. I have called up Veale's and they have ACL race bearings for standard size. and piston rings to suit.. But then I called Xspeed, and teh guy told me that the RB25det has 3 standards, and the bearings etc need to be matched etc etc.. Has anyone heard of this, or is anyone aware of something like this.. Where would you get your bearings and rings from??

Cheers guys.

Maka.

[GTS-t VSPEC]

Maka, Depending on the number on the crank, which I believe represents the grind size, there will be a different standard size. If the crank has been re-ground then it will obviously be different to standard. I'd take it to a machinist and get them to measure the crank journals and specify the size you need.

[maka]

Thanks Paul,

Will do that... The machinist I used is Danny at Performance modifications, in Ossie park.. But he seems to do V8's and stuff, so donno if he really knows what he is talking about when it comes to these engines.. will call him up, and see what happens.

Any recommendations of other machinists? or where to take the engine so it all gets matched up..

Cheers.

[GTS-t VSPEC]

Maka, I would think that measuring crank journals is fairly standard even on V8's

I get Xspeed to do all my work, and they send it out to there machinist.

[maka]

Yeah,

Just called him up to find out what he can do, and he recons that he needs a chart to be able to see all the sizes, and match them all up..

Anyone got this Chart with all the different bearing sizes etc??

Cheers..

[ix9]

Threads merged

[daineisdabomb]

Threads merged

here is the chart for stock bearing sizes dude. its out of 1 of those online manuals. i would suggest gettin 1. but if u need ne other info let me no. hey i spun no 1 bearing and snapped the conrod too. its gettin fully rebuilt with forged everythin, gt35, microtech ecu etc. 16g later haha it will b worth it thou newayz let me no how it all goes with ur t04 n show me the dyno sheet wen ur done.

Edited February 17, 2008 by daineisdabomb