Forged Rb20

[The Mafia]

rofl

[Rolls]

rofl

sounds sick aye mafia?

f**k he should go even crazier and DE-stroke his rb20, 1.6 litres here we come, it'll do 11k rpm Initial D style represent.

MAD

[Driftnuttz]

you guys are mad.....lol I am still doing stuff, not done yet.I have decided to up the compresion to either 9.5-1 or 10-1. I have not figured out which one yet. That should help out all around.

Edited August 11, 2011 by Driftnuttz

[N1 RB26]

surely you did something now??

[Roy]

lol you still stuck on your silly idea of your built 20?

Thats funny since every thread you seem to start is concerning problems with your R32 running RB25s. How many engines have you had in it now and how many kms has it actually run...and what is the cost up to

[Rolls]

Thats funny since every thread you seem to start is concerning problems with your R32 running RB25s. How many engines have you had in it now and how many kms has it actually run...and what is the cost up to

What has any of that got to do with it being a 25?

Car had a sloppy built 25 in it when I bought it which snapped a cam shaft, doubt it would have been any different if it was 20 or a 30. Now it has a neo and is running great, 240kw with stock response, full boost at 3k. Lets see your 20 do that

Cost is $11.5k (car) + $2k (neo after the 25 head blew up)+ random bits maybe another $1k max?

I've got a buyer for the bottom end now so will make another $1k back on that. Not a bad upgrade for $2k. Have about 10,000kms with the 25 now, I've only owned the car for just over a year so not bad.

Edited September 10, 2011 by Rolls

[Roy]

So its at least a 3k option. Does that 1k include all the tuning, replacing studs etc and work that Boostworx had to do, oil, belts, coolantm recharging aircon etc?

And you are right, it has nothing to do with it being an RB25. It has to do with doing an engine swap, even a pretty straight forward one. Every person I know that has done one ends up spending more then they thought... just like a new turbo and tune for an RB20 always costs more then you start out thinking and what people post on SAU

[Rolls]

So its at least a 3k option. Does that 1k include all the tuning, replacing studs etc and work that Boostworx had to do, oil, belts, coolantm recharging aircon etc?

Yep it cost about $200 in parts myself and then about $800 in tuning and paying boostworx to finish it off. I left the aircon in the car so it didn't need to be recharged. All I had to buy is 3 new belts, oil, coolant, spark plugs and some fancy new electrical connectors for the wiring, everything else I reused. The $800 was mainly labour for replacing a few broken hose clamps in flamin mongrel positions, pulling studs out and tuning.

I'm not really sure what your point is though, that $3k is a lot less than building a built 20!

Edited September 10, 2011 by Rolls

[Kris..]

just read this whole thread, i went down the route of building a 20 last year, looking back i should've just done a standard single cam 30 with a decent sized turbo but ohwel

the engine ended up costing around 4k all up to build which wasnt too bad, wouldve cost me about the same to do a 25 conversion.

yes i know BIG WASTE OF MONEY but i built the car to Drift, which it does perfectly fine so thats all that counts, power figures werent realy a concern just wanted a reliable motor and thats what its got

HKS camshafts, 264/8.5mm

HKS cam gears

Supertech forged pistons 20thou oversized

ARP rod bolts

ARP head studs

Cometic metal head gasket

Cometic gasket kit

new genuine Nissan oil pump

new genuine Nissan water pump

new genuine Nissan idler pully

new genuine Nissan tensioner pulley

NDC bearing kit

Gates timing belt

Tridon thermostat

grub screwed, balanced and ground crank

balanced pistons

balanced and resized rods

decked, bored and honed block

resurfaced head

valve grind

new valve stem seals

exhaust guides and ports cleaned up a bit

Edited September 17, 2011 by Kris..

[Dobz]

Looks like it would love having the guts revved out of it on the track.

[N1 RB26]

what about engineering costs rolls?... wouldn't that bump it up to around the same??

[Rolls]

what about engineering costs rolls?... wouldn't that bump it up to around the same??

Read all of my posts, you don't need to engineer a 25 swap in SA, you just go through a full defect inspection which was $172 when I did it, $90 for a reinspection if you fail. Applying and getting the documents is free.

[Bl4cK32]

its should be easy to get done here in SA or anywhere as the r32 was released with a 2.5Lt motor.

The inspection is to check that its done right, using the 2.5lt brake setup etc.

[Rolls]

The inspection is to check that its done right, using the 2.5lt brake setup etc.

Yep that is all they are checking, however they will give the car a full road worthy at the same time, that means checking bushes, oil leaks, suspension components etc. So your car has to be returned to stock with normal ride height, stock rims etc etc.

[Driftnuttz]

I am still collecting parts, but I did take the head in to get shaved and recieve a 3 ang valve job. I got my turbo stuff too, hx35(8 blade) and a 38mm ex wastegate. As soon as I get the head back I will post some pics.

[The Mafia]

Cost so far?

Standard rb30 would still have been better...

[Roy]

He is in the US and already pointed out that RB30s are not an option due to availability and prohibitive cost. Unless you know how to get an RB30 to him cheaply then ....

[Driftnuttz]

Here is what I can think of of the top of my head:

(* beside the stuff that would be bought regaurdless of the motor) All figures in USD.

R32 head with both manifolds =60

oil pan and pickup =40

*full gasket kit =189

Clutch kit and new water pump =100 (this would be more if I went with a 25/26/30)

Wiring, ecu, coil packs, stock r32 rad, and coil cover =200 iirc (I did trade some parts to lessen the price)

Head work(shave and 3 ang valve job) =140

*turbo (hx35), oil lines, and ex wastegate(38mm) =380

I am getting my ecu chipped for 180(150+whatever shipping costs)

I stil need mounts(300), arp head studs(130), and about 100 worth of miss stuff.

Thats about $1819 for about 350-400 hp in my 240sx(s13). Would not buy a stock swap to spend that on it, but considering I have the swap and am just making it better I think its well worth it.

[The Mafia]

I know Roy, but I've already offered to get him a RB30 cheap as. Postage is just something we'd need to hunt for.

All the stuff purchased would and wouldn't be needed for the rb30 anyway, and at the identical cost.

[Driftnuttz]

I would love to build a rb30, but I know I dont have the money. It would add about 2000 ontop of my running rb20.