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R33 Turbo Cams Help Needed Please!

Turbz RB-25

By Turbz RB-25,
in Engines & Forced Induction

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Turbz RB-25 Experienced

Turbz RB-25

Posted
Posted

Hi guys,

As I wrote in my previous post, my mechanic told me that my cam actuator in my car is stuff, and to fix it, I can either replace the part with a standard part or I can get adjustable cams and it will fix the problem as well.

Anyway, I am not very knowledgable regarding cams, I go not idea about size, angle etc etc.

Basically, this is what my mechanic proposed: "The price for the 260 pon cam's $1200.00 and the gears are $600.00 for the pair"

I was reading in another thread that the size and or what ever it is may be too agreesize for my car and I wont get much power increase.

I currently push out 273 rwkw with a GT2835 Pro s turbo. I wanted to hit the 280 rwkw mark with these cams but I am not sure if what I am getting is what I should be.

Also, does the price sound right for those cams?

What brand are pon cams, are they tomei?

Any help would be greatly appreciated as these are getting installed in my car on Tuesday so I need to know if they are the correct application for my car or if there is something else you guys suggest>???

Thanks guys!

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R31Nismoid Grand Master

R31Nismoid

Posted
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Adj cam gears to purchase are like $150. $650 is a very... interesting price... even including labour.

As for 273 vs 280rwkw, who cares? You wont notice 7rwkw on the street and aiming for a 'number' is just that... its a number.

You could play with a dyno setting and get 7rwkw if you really want the number to pin to your wall.

Getting hung on numbers is a silly game to get into

IMO the cams, cam gears etc is a waste of money for what you want.

Bigger turbo/manifold/forged bottom end all come first as a stock R33 head is fine under 300rwkw.

But everyone has thier own view as you'll see with the replies that come out.

Jared.r33 Newbie

Jared.r33

Posted
Posted

Hey mate, I just bought a set of tomei poncams for my car. There 256's and I payed about $800 for them on ebay. You can get them even cheaper from nengun.com if you don't mind waiting for ages. I'm still waiting to get my car back from having it's topend rebuilt so im not sure what the power increase is going to be like. My mechanic told me not to bother with adjustable cam gears atm.either. The cams are meant to be real good though they shouldn't stop you getting the power your after.

Turbz RB-25 Experienced

Turbz RB-25

Posted
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i was always told that 256 duration cams were the LARGEST u could go, without headwork being done.

is your head still stock?

Yeah my head is still stock.

I didn't want to get cams, but I may as well since it will fix my problem of the 'cam actuator' being faulty.....

Mechanic said that the adjustable cams would fix my problem (i only have 220 rwkw now as opposed to 273, and the mechanic believes its my cams actuator)

joeyjoejoejuniorshabadoo Grand Master

joeyjoejoejuniorshabadoo

Posted
Posted

go to RB25 turbo upgrade thread (sticky)

compare my car with bombtrack's (same page)

both 25's, same turbo (2835 pro s) same mods, (except cams) same tuner, same dyno. (different day)

i got 265 rwkw

he got 272 rwkw

i get like 5kw more @ 90kph, he gets 7kw more @ 180kph

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