Jump to content
SAU Community

rb26 cams in rb20 with standard ECU works!

WazR32GTSt

By WazR32GTSt,
in Engines & Forced Induction

 Share

Recommended Posts

  • Replies 82
  • Created
  • Last Reply

Top Posters In This Topic

Popular Days

Top Posters In This Topic

Popular Days

jnr32r Proficient

jnr32r

Posted
Posted

i wouldnt be so sure about that mate, why do you think torque settings are spceified....

i actually was measuring with a micrometer today to see if the cams were bent at all (these are the ones i bought from BBenny) and it turns out that there is a very very small deviation on both cams of 0.09mm on the exahust cam and 0.06mm on the inlet cam. And i could just press slightly with my finger right in the middle and actually change it by 0.10mm. So you can imagine how much it would affect it if you tightend just one of the bolts too much.

The other interesting thing i found was that the lift in the inlet cam was actually 8.9mm not 8.5mm as seen on other threads. The exhaust cam was actually 8.5mm as previously described.

browny Proficient

browny

Posted
Posted

Not sure if I agree with that. If everything is set up correcly I would think the only affect of overtightening the bolts would be some local distortion of the cap and head. Wouldnt it have to be massively overtightened for this to occur?

ylwgtr2 Grand Master

ylwgtr2

Posted
Posted
i wouldnt be so sure about that mate, why do you think torque settings are spceified....

i actually was measuring with a micrometer today to see if the cams were bent at all (these are the ones i bought from BBenny) and it turns out that there is a very very small deviation on both cams of 0.09mm on the exahust cam and 0.06mm on the inlet cam. And i could just press slightly with my finger right in the middle and actually change it by 0.10mm. So you can imagine how much it would affect it if you tightend just one of the bolts too much.

The other interesting thing i found was that the lift in the inlet cam was actually 8.9mm not 8.5mm as seen on other threads. The exhaust cam was actually 8.5mm as previously described.

sorry i disgree.....It would make no diffrence....if you want to see if the cams are bent....you should be using a dial indicator

Angry Proficient

Angry

Posted
Posted

yea u have the r32 gtr cams ..they have more lift on the inlet side ..as per the tomei standard camshaft spec list ..http://www.tomei-p.co.jp/_2003web-catalogu...haft-specs.html

edit: sorry my bad .. i'm sure that list said otherwise.. unless its been changed recently

jaik Mentor

jaik

Posted
Posted
Roy, when you did ur cam swap did you use a torque wrench and set it according to RB26 or RB20 specs?

Ill be trying the swap next w.end so we'll see how it goes...

Again, I will be following this thread with great interest as you swap out your cams as I am desperately wanting to know if its a go or a no go as I need to do my timing belt and thought I may aswell do it at the same time.

JK

Chris32 Veteran

Chris32

Posted
Posted

I think there are a few things that you need to be sure of to attempt this, judging by everyones experience - correct me if I am wrong :(

1) - straight cams

2) - correct tensioing of the cam caps

3) - nice new'ish timing belt that won't slip, prefferably a new belt

From everyone's experience, if all that is right, then correct installation should be no problem

Mine are on hold, injectors and PFC are next, then exhaust manifold and cams, maybe headwork......... where to stop :P

V8eta Apprentice

V8eta

Posted
Posted

For all those interested i have some R33 GTR cams arriving tommorrow and when i get a chance ill be putting those into my gts4. Not running std ecu through (have a link) but will let everyone know how i get on and if theres any probs (fingers crossed it works well )

Chris32 Veteran

Chris32

Posted
Posted

I think the general thinking is they are all pretty much the same with minimal differances?

Sydneykid would be the best bet to answer this, as from memory he has seen cars with 32,33 and 34 GTR cams installed

WazR32GTSt Grand Master

WazR32GTSt

Posted
  • Author
Posted

Jaik:

"I" didn't install them, i had them installed by my mechanic. this is not something to play around with at home if you ask me...

and the car runs fine no hassles...

power increase was good top end but at that stage i had the stock cat-back exhaust on still.

Now that i have a 3" cat-back there is so much more midrange torque the cams have really shown their worth now. To use this as a benchmark, 0 - 160 i was 5 carlengths ahead of a manual tx5 turbo which had full exhaust, pod and headwork. and mine is an auto :cheers:

have fixed up a pinging problem i had (timing too far advanced) and keen to get it on the dyno at the next dyno day.

Waz.

  • 1 month later...

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing


  • Similar Content

  • Latest Posts

    • Kapr
      "Cheap" bolt on turbo on RB25DET NEO

      By Kapr · Posted

      @Murray_Calavera iam just considering options 🙂 of course it is very expensive so that why i ask here 🙂  @joshuaho96 I looked at that GCG hybrid(i remember looking at it few weeks before) So this is "that" hybrid where i send them my turbo and they upgrade the inside to Garrett stuff and then they send it back. It cost around 1200-1300 USD which is FAR cheaper than the HKS and it is what iam looking for(i just do not have experience like this...to send something off to "upgrade" ) @tylink720 that is like 150 USD turbo no? 😄 I dont think i have the "ease on my mind" with this kind of turbo. I just put over 7000k USD to "LINK" up my engine...dont want to blow it up with cheap turbo 😄     EDIT: https://www.cj-motor.com/gcg-turbo-charger-for-nissan-rb20det-rb25det-high?srsltid=AfmBOooVeOZ6CZ6r1AIv5m-KPaa6BvudIPJTY8LW78khkd-gQlsaCht9 I looked at this and it seems ok? It is that CGC hybrid and it costs around 1250 USD (with back shipping). Do any of you have experience with this hybrid on NEO turbo? I quickly look thru the forum/web and it seems very good.
    • Rezz
      First time Skyline owner

      By Rezz · Posted

      Echo the awesome sentiment 👍 Definitely a car worth saving. Looking forward to seeing updates as well. 
    • Matt Z
      SAU NSW - Chickos Cruise

      By Matt Z · Posted

      Scenic roads, stunning skylines, and Chickos to finish it off! Join SAU NSW as we cruise through the Royal National Park and along Lawrence Hargrave Drive to Figtree! Sunday 26th October 2025 4:30PM Meeting Waterfall Station Parking 5:00PM Cruise Departure Royal National Park > Lawrence Hargrave Dr > Memorial Dr > Sid Parrish Park 6:15PM Arrival at Sid Parrish Park Figtree Meet Location: Waterfall Station Parking Final Destination: Sid Parrish Park RSVP: https://forms.gle/E4s5SiRKQfDdypky8 *Disclaimer* There will be a lead and follow car so no one should get lost. If you would like to attend or bring others along please put your name down and a +1 as numbers will be needed prior! This is NOT a race and we will all be adhering to all road rules. If this is what you want please come to one of our many track days. This is an official SAU:NSW event and will be run under a CAMS permit. One of the things that really sets our club apart is our commitment to being true enthusiasts. When on normal roads we strive to maintain good relations with the authorities as well as the public in general. When attending one of Skylines Australia NSW events please try to: • Be aware of surrounding environment and act accordingly. • Drive courteously on the state’s roads as a true enthusiast should. • Understand how important it is to maintain the good name of SAU NSW and thus, treat others accordingly. • Any misbehavior will not be tolerated and you will be asked to leave.
    • MBS206
      "Cheap" bolt on turbo on RB25DET NEO

      By MBS206 · Posted

      It's funny, as Ive seen plenty of people use them in cheap builds on YT. And they actually go okay, even though a lot of other maxspeedingrods stuff is terrible. Those turbos seem reliable enough, the only part being, a good quality turbo that is "identical" to it, will out perform it day in and day out. In both a lower boost threshold, and the ability to flow more air at the same boost pressure. As a cheap cheap replacement, not a terrible choice. For cheap and shouldn't blow in a day, not terrible (like other eBay/Temu turbos) for low cost and still decent performance, that's where the question comes in to play from the results I've seen. I'd actually find it hilarious to buy one, and strap it to a paddock basher or some other cheap as POS originally NA car, and send it to the moon!
    • tylink720
      "Cheap" bolt on turbo on RB25DET NEO

      By tylink720 · Posted

      The maxpeedingrods turbo is cheap and bolts on to stock parts. I think you just need a bigger silicone coupler for the intake. Its a cheap china turbo, but it's been running on mine for almost 3 years at 16-19 psi.
×
×
  • Create New...