Jump to content
SAU Community

Cam Gears, Adjusting

RB SANDY

By RB SANDY,
in Engines & Forced Induction

 Share

Recommended Posts

DJRIFT Veteran

DJRIFT

Posted
Posted

Hmm i realy dont see why people are so scetical about cam gears. they do work. they do more for torque than power (kw) and like said before they can help for midrange or top end power. from what i have read a pretty good mod on RB20s as they have poor bottom end power. they are doing a group buy on cam gears at the moment and they are pretty cheap. worth a look.

siddr20 Grand Master

siddr20

Posted
Posted

Now once installed these cam gears (exhaust cam) will you need to do anything else? That is tuning? Any other adjustment??

What if you have stock ecu?? and no intentions of power fc anytime soon..

Or will you need to tune your car to make the most of it?

Munna1 Proficient

Munna1

Posted
Posted

What other mods do you have frankxinyu?

siddr20 - best results are usually found at -3 -4 deg but can be different as every engine is different. You should get the car dyno tuned once the gear is installed they will need to experiment to find the best position.

RB SANDY Rising Star

RB SANDY

Posted
  • Author
Posted
R34 N1 motor - built by Nismo.

To obey with the rules , the engines have stock cam gears , however , the timing marks don't all line up. They adjust the vavle timing by alternating teeth.

Nismo does it...

Has any one seen this before.

WazR32GTSt Grand Master

WazR32GTSt

Posted
Posted

unless you work for nismo and know exactly what they have done, just don't bother.. simple

you want our advice?

we have all said not to use the stock cam gears with the belt skipped a tooth

if you want to adjust them, buy adjustable gears. end of story.

Trust33 Grand Master

Trust33

Posted
Posted

Ive never done it but would expect a gain from it when there is a bigger turbo on board.

trying to spool earlier and through the rev range,to a certain point where it will meet back up to its normal power path,is where you will probably find the gains.

Not so much top end as far as ive heard.

IMO go to the group buy thread for ADJ cam gears.:P

Risking Grand Master

Risking

Posted
Posted
R34 N1 motor - built by Nismo.

To obey with the rules , the engines have stock cam gears , however , the timing marks don't all line up. They adjust the vavle timing by alternating teeth.

Nismo does it...

Who told you that?

Have you ever phsically seen an N1 stripped and timed up??

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

    • joshuaho96
      R33 GTR running -9 with no tune

      By joshuaho96 · Posted

      Yeah I suspect even if you hold airmass per cycle/cylinder constant if you get too far away from stock you're still going to have problems running the factory tune within the bounds of the factory load scale. Cams, different displacement/rod ratio, etc. I'm just lucky that the GTIII-SS with wastegate boost + CA compliance cats is pretty much equivalent to stock turbos. When I have actual space I can finally get it tuned and modify the fuel system for flex fuel to 100% handle any detonation concerns when cranking the boost to whatever those dinky turbos can put out.
    • The Bogan
      NC MX5

      By The Bogan · Posted

      I would say no, why, because my daughter, who also lives in Goulburn, hasn't recommended us going there Pity, as we miss all the German joints around in Sydney, actually, the restaurants are the only thing I really miss about Sydney, and a special mention to Ishibanboshi at Bondi Junction, their Kara-age Don is heart cloggingly deliciousness (always added a special boiled egg...or 2) 😋 
    • GTSBoy
      NC MX5

      By GTSBoy · Posted

      Does that German restaurant still exist in the old place out the NW end of Goulburn? When I say "out the NW end of"...I am really being vague. It was 1997 when I was last there, and the only point of reference I can recall is that it was on the opposite side of the main drag from the big merino. And when I say "opposite side of the main drag", I don't mean "on the main drag". It was either a couple of streets back from there, or might have even been out in the sticks a bit further. Was an old farm building or mill or somesuch. And when I say "the big merino" I might actually be thinking of a completely different part of town, because I just looked on maps and the big bugger is not where I remembered him to be! The food was good, consisting largely of various German mystery-meat sausage/loaf things and kartofflen.
    • GTSBoy
      R33 GTR running -9 with no tune

      By GTSBoy · Posted

      So while the second sentence is completely correct and the whole point of the conversation, the first sentence bears consideration. If this bloke is just hoping to throw big turbos on and drive it around, because there are no helpful facilities at all in his tropical paradise** then he likely has zero chance of even knowing what the TP is on the last column in the stock maps, let alone know whether the ECU is operating anywhere near it or past it. So the point is very very moot. And, per what I said before, at stock boost on those turbos, you may well be off the end of the map. **I'm just back from Vanuatu, so I know exactly what small Pacific nations can be like wrt paradise without requisite facilities. But it's not even that simple. I put a high flow on my car and had to drive it around with a proper tune because of the lack of opportunity*** to put the bigger AFM and injectors into it to allow it to be tuned. I had to turn the boost down to less than I had before, and back off the boost controller's ramp, because it was exploring parts of the map that it didn't drive in before, and really couldn't access for tuning on the dyno either, and so was pinging. It was still well within the last column, because when I first**** set up the Nistune on the Neo I rescaled all axes of the maps to give some more space to explore. ***Family dyno was broken ****This was 13 years ago, and the TIM thing wasn't a thing then and so TP would definitely grow when pushing past the stock tune's limits.
    • joshuaho96
      Squeaking clutch/throw out bearing

      By joshuaho96 · Posted

      Yep, this bit another local owner. I caught it before putting the transmission back into the car, what I noticed was the pressure plate fingers weren't flat and even. It's more obvious with the pull style clutch because the throwout bearing ring was visibly not flat once everything is put together. Nismo should really update their instructions to call out this specific detail. I'm not even sure the clutch as-shipped orients everything properly.
×
×
  • Create New...