View Full Version : rb20 with rb25/rb26 camshafts
THeokaYsLider
09-18-2009, 02:05 AM
:sadwavey: hi people
i have a quick question for you guys now i have the rb20det swap done in my s13 car the problem that am having is that am trying to upgrade my camshafts to rb26 or rb25 now i seeing the video in the most trusted website in america''youtube;rb20 with rb26cams'' and was woundering if anyone here in the forums have ever done anythink like that and can help me with this situation
is it a good idea
or is it
just bs and back away:down::down::down:
any info is great thanks
shhh..wait...listen....NV..the..hks.hipower....not e..
waynehead05
09-18-2009, 02:12 AM
Why not go aftermarket?
fliprayzin240sx
09-18-2009, 02:22 AM
I always thought that RB20 heads are different from 25 and 26s? Dont quote me on that cuz I'm not 100% sure.
karl wasabi
09-18-2009, 02:31 AM
The 26 cams will fit. You will have to get nistune or something like that to change your fuel map. (So I've been told) But it is an upgrade...
THeokaYsLider
09-18-2009, 02:40 AM
yea dued the guy from the video i actually contacted him and told him if it did any difference on his car he said it made his t-70 spool around the 2500 hundread rpms but dont know if this is save
is bolt on
or is no bolt on
or ih he just all BS.....will i never know the true..lol
and also the only reason that i wouldnt go aftermarket is that is a pain in the ass to find rb20 camshafts the only ones i found they were priced at 760
too high for a baller in a budget lol
karl wasabi
09-18-2009, 03:21 AM
yea dued the guy from the video i actually contacted him and told him if it did any difference on his car he said it made his t-70 spool around the 2500 hundread rpms but dont know if this is save
is bolt on
or is no bolt on
or ih he just all BS.....will i never know the true..lol
Yes it's bolt on, No you can't run it without a tune.
GSXRJJordan
09-18-2009, 03:34 AM
Just like I tell everyone else with a RB20 ~ don't waste money upgrading it, just sell it and go RB25.
Seriously, it's like $800, and gets you ~80whp stock vs. stock, a much better trans, a better flowing head and 25% more displacement!
THeokaYsLider
09-18-2009, 03:39 AM
dam thanks know i have a question again were and how can i get in touch with nisie tune how do they work? and is that the only type of computer i can use to make them work???
well with all respect man
if i had the cash for the infamous rb25 i would of got it
but in my case i got my lil rb20 for free can beat freebie man
plus rb20 is a kind of underground engine that everyone talks crap about
i want to give it a try
Probably won't run right without solid lifter conversion & cam gears/making sure it's degreed right.
You DON'T need cams to make reasonable power on the RB.
You're better off spending the money on a retune & more boost.
THeokaYsLider
09-18-2009, 04:03 AM
thats what i was thinking is just that the sound that the cams made in the vid was to die for but my current set up is..
t04 turbo rebuilt hks internals
internal wastegate hks too
custom exht. manifold heat whrap the hell out..
255 walbro fuel pump
stock injectors
3 inch hks hi power
hks spark plugs
rb25det airflow meter also crank angle sensor,coil packs
rb26dett water pump, ignitor chip too.
and 12 pounds of boost and 91 octane lol
and a quick question which of the rb25 or rb26det intake manifold can bolt on to the rb20det
Yellow4g63
09-18-2009, 06:00 AM
and also the only reason that i wouldnt go aftermarket is that is a pain in the ass to find rb20 camshafts the only ones i found they were priced at 760
too high for a baller in a budget lol
Did you try and call WebCam in riverside? They can hardweld and grind u a cam from your old one without changing the base circle on it. Might be cheaper than paying for the aftermarket cams.
tuquik
09-18-2009, 06:39 AM
and a quick question which of the rb25 or rb26det intake manifold can bolt on to the rb20det
nope, and the aftermarket intake manifolds are a arm and a leg.
BrokenWhite240
09-18-2009, 09:47 AM
Yes they will work, yes you will need a tune.. They are different degree cams being that the motors are different liters. But I wouldn't do it cause without head work you won't get much out of them. So when you do head work then worry about them IMO.
And no the manifolds won't work you can make them work but if you can't make flanges I would suggest not to. The rb26 manifold is bad ass cause of the even diss. to the cylinders but it's alot of work just to fit it to the 25 let alone the 20. A shop in japan and us did make adapter plates for them but they are hard to get and expensive like 800 I believe just for the adapter.
bardabe
09-18-2009, 10:09 AM
RB26 cams are a cheap upgrade, its worth it if you have an EMS so you can change your ignition timing a bit to make the most power out of them as you can.
i know people are going to bash on why you didn't get a 25 and so on. we all know RB20's are the power makers on a budget. get yourself some BNR32 RB26 Camps, an Intake manifold 84mm TB. (q45) Nistune, some gtr 440cc Injectors and a Holset HX35, make it all fit ant put a 3.5" Exhaust. get it tuned and thank me later, it's the most cost effective set up you can have on a budget that will make good reliable power.
THeokaYsLider
09-18-2009, 11:38 PM
okay so the manifold wouldnt work then coool then skip that
but i think am going to shoot to do the set up that you said but i have already modified lil thinks like i said before all i have to do is add some 444 injectors and get some kind of tune
whats better
''blue'' greddy e manage
nistune ''how do they work''
super afc
or what else is out there
does anyone hae injectores for sale cheap......;-)
finesses240
09-19-2009, 12:12 AM
if you need a tune on your computer, pm me I can tune it for whatever you want. Just tuned a rb26 on a rb20 computer and harness.
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