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View Full Version : rb25 conversion into s14 . good idea or


GAJIN
29-12-2011, 10:10 PM
Yesterday i blew the turbo seals and did minor damage to the sr ..... my house mate and a few mates of mine say to just give the sr the flick and chuck a rb in there .. i know they fit . but what else needs to be changed ie -engine mounts ect .

nissans are all new to me as im a dak dak kid at heart

any help would be amazing
Brett_J
29-12-2011, 10:19 PM
A quick Googling says a few people have done it and there seems to be a bit of info out there.
McKinney Motorsports in the US do a few conversion parts.
GAJIN
30-12-2011, 10:38 AM
cheers guys
mys1
30-12-2011, 10:45 AM
Just dont put a 7M in it!
Brett_J
30-12-2011, 10:47 AM
Just dont put a 7M in it!
Or even worse, a fucking rotor !
S133LTR
30-12-2011, 10:50 AM
S14 rotor...yeeeessssssssss
thrtytwo
30-12-2011, 10:50 AM
7M is the new 2J
thrtytwo
30-12-2011, 10:54 AM
OT, boss at work wants to drop a 13B into a GC8
mys1
30-12-2011, 11:02 AM
OT, boss at work wants to drop a 13B into a GC8
your Boss is an idiot

pingpingpingpings always trying to re invent the wheel
mehow2g
30-12-2011, 12:17 PM
Vet head similar costs lots of power 9k rpm maintain same weight.
Brett_J
30-12-2011, 12:19 PM
http://carsmedia.ign.com/cars/image/article/582/582313/2005-tokyo-auto-salon-part-2-20050128015439768.jpg
thrtytwo
30-12-2011, 01:42 PM
he'll be cut, thinks he's doing something for the first time haha, any more pics? or link?
deaf_rattle
30-12-2011, 02:33 PM
Just dont put a 7M in it!

always one...
mys1
30-12-2011, 03:06 PM
always one...

Im sure theres more than 1 on here who think its a waste of time, but hey nock yourself out!

Isaac Newton - i'm sure had haters, boy did he show them!
Chompy
30-12-2011, 03:57 PM
speak to Luke Streat Davo, he has an rb26 (stroked to 2.7) in his s14
deaf_rattle
30-12-2011, 04:09 PM
Im sure theres more than 1 on here who think its a waste of time, but hey nock yourself out!

Isaac Newton - i'm sure had haters, boy did he show them!

You are entitled to your opinion.
Its your idiocy that makes you a cock tho.
mys1
30-12-2011, 04:31 PM
You are entitled to your opinion.
It's your idiocy that makes you a cock though.

Yes, I'm entitled to my opinion and I voiced it.

You don't know me so you don't for sure know if I'm a cock, it's the internet.

The only opinion I've concluded from your posts is that you are a fern loving kiwi that goes intentionally against the grain spending money re inventing things that really could have netted you the same result for a lot less coin and time if you'd gone the tried and tested route.

But I didn't say not to do it, I''ll be the first to tip my hat if you do it well, I'll just think you are insane.
Chompy
30-12-2011, 06:03 PM
Yes, I'm entitled to my opinion and I voiced it.




your the voice try and understand it wooo-ooooooo-o-o-o :)
Tocchi
30-12-2011, 06:06 PM
You don't know me so you don't for sure know if I'm a cock, it's the internet.

i know you and i know you are a cock <3
Bomber
30-12-2011, 06:12 PM
As for RB > SR. Yes. Yes everytime. The only thing I would like to know is what it would do to the handling balance of the S14 chassis? I am assuming the RB25 engine/gearbox combo would be heavier but I'm pretty sure the SR is cast iron, not sure if the RB is alloy or just alloy head or what?
S133LTR
30-12-2011, 06:16 PM
SR's are cast iron now?
Brett_J
30-12-2011, 06:20 PM
SR's are cast iron now?
If you paint them with like a black rippley paint...............
maybe half fill the block with lead to make them heavier too.
Bomber
30-12-2011, 06:23 PM
Ummm, yea. My bad. RB's are cast iron and SR's are alloy. Must be the gearboxs that make GTiR's nose heavy
wooly
30-12-2011, 08:17 PM
or maybe a front diff? from memory i heard it was 140kg heavier a 25+box over a sr+box... could be wrong i dunno where i know that from. that seems like a big figure...
Chompy
31-12-2011, 07:29 AM
RB25 is between 200-250lb's heavier than sr (information I googled from http://forums.hybridz.org/index.php/topic/61763-weight-difference-of-rb25det-with-tranny-vs-sr20dettranny/ so dont know how accurate but seems the average)
RRob
31-12-2011, 08:55 AM
This makes the car heavier over the front. Bit of playing with springs rates will cure these issues though.
zeroyon
31-12-2011, 01:22 PM
Ahh the weight thing.

Weigh all my cars and all weights are half tank of fuel.

S13 SR20 with aircon and all the bits 1190kg
S13(CA chasis) RB20 no a/c but everything else 1200kg
S13(SR chasis) RB26 stripped 1060kg

Cefiro RB20 with aircon and all the bits 1320kg
Cefiro SR20 with aircon and all the bits 1260kg

Draw your own conclusions :)
S133LTR
31-12-2011, 02:00 PM
That in itself would make a good thread... People car weight and specs with weight bridge printouts..