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Tomei Poncams R33

RB_purr

By RB_purr,
in Engines & Forced Induction

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RB_purr Collaborator

RB_purr

Posted
Posted

Hey guys real quick question in regards to purchasing tomei poncams for an RB25DET R33 the question is which ones to get.

There are many types with different lift etc which is like reading NASA blueprints to me :domokun:

Engine is a RB25DET with the usual stage 1 mods and boost tee running 14psi@187kw

Im looking for bigger power in the future but i don't want terrible idle etc and just want poncams that will work efficiently with my current power and that will also work with more power in the future

Any help on what lift etc to get would be excellent and preferably people with good knowledge on them as im looking to purchase them fairly soon as im also having some top end components machined

Cheers guys hope you all had a good christmas :santa:

[RB25DET Equipped Cars (Excluding NEO)]

Lash IN252 Degree 9.15mm

[ER34/WGNC34 Late Model]

Lash IN260 Degree 9.15mm

[ER34/WGNC34 Late Model]

Lash EX 256 Degree8.50mm

[RB25DET Equipped Cars (Excluding NEO)]

Lash EX 252 Degree 9.15mm

[ER34/WGNC34 Late Model]

Lash EX 260 Degree 9.15mm

[ER34/WGNC34 Late Model]

Solid IN260 Degree 9.25mm

[RB25DET Equipped Cars (Excluding NEO)]

Solid IN260 Degree 10.25mm

[RB25DET Equipped Cars (Excluding NEO)]

Solid IN270 Degree 9.25mm

[RB25DET Equipped Cars (Excluding NEO)]

Solid IN270 Degree 10.25mm

[RB25DET Equipped Cars (Excluding NEO)]

Solid EX 260 Degree 9.25mm

[RB25DET Equipped Cars (Excluding NEO)]

Solid EX 260 Degree 10.25mm

[RB25DET Equipped Cars (Excluding NEO)]

Solid EX 270 Degree 9.25mm

[RB25DET Equipped Cars (Excluding NEO)]

Solid EX 270 Degree 10.25mm

[RB25DET Equipped Cars (Excluding NEO)]

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https://www.sau.com.au/forums/topic/436913-tomei-poncams-r33/
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simpletool Mentor

simpletool

Posted
Posted (edited)

Cams will not be cost effective if you are making ~190rwkw at 14psi. No way at all.

You will need a retune to take advantage.

Since you are going to need a retune anyway then a turbo change is really the only way to make much more power. Save your money, leave stock cams and spend money on injectors, turbo and tune when you have the money.

Edited by simpletool
boostn0199 Grand Master

boostn0199

Posted
Posted

So at what stage would one start looking at getting aftermarket cams?

Cheers

Once youve done the basic bolt ons and got 250kw plus and your looking for another engine mod to help your midrange abit then u consider something like poncams.

  • 2 weeks later...

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