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Fake Poncams?

CLEM0

By CLEM0,
in R Series (R30, R31, R32, R33, R34)

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CLEM0 Enthusiast

CLEM0

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Posted

Hello. I have recently bought an RB25. It claimed to have poncams but no specs were available. Removed covers to find both intake and exhaust are 264/264 with 8.5mm lift.
 

Looking to degree the cams- but I can't find any info on a 264 intake and exhaust.

Are these real cams? Or knockoff? Never heard of fake camshafts but there is fake turbos so it's arguably easier to fake cams...

 

Cheers!6B0C81AD-4D30-45C5-B6DB-3DDDF8131D69.thumb.jpeg.6ca6daeb767c5dfae92fb0ae3b8da4ec.jpeg

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BK Grand Master

BK

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1 hour ago, r32-25t said:

He retired last week or the week before 

Really ? That sucks, they had some really good grind selections. Only just sold some new Camtech RB26 cams last week for $500. 🤦‍♂️

Kelfords only now I guess ?

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GTSBoy Grand Master

GTSBoy

Posted
Posted
Just now, CLEM0 said:

They certainly don't seem current- but I can't find any specs to degree them in!

Just put them on the same LSAs as any other 264° cam, or choose an LSA halfway between the typical 256° and 272° cams' specs. Tighten or widen the LSA by a degree or two depending on how you want the engine to work.

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tridentt150v Grand Master

tridentt150v

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Posted

Ages ago I was told that Tomei cams don't need to be dialled in and should always be set to zero ...for RB25 Gtst's.

This was after we dialled in [from memory 5 degrees [could have been 10, it was 20 years ago]] and it ran like shit.  Asking around everyone said to set to zero and it will work.....we did, and it did.

I could be wrong for your motor, but if you don't see gains then zero is your answer.

But Dose Pipe and GTSboy will know more.

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CLEM0 Enthusiast

CLEM0

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Posted
2 minutes ago, tridentt150v said:

Ages ago I was told that Tomei cams don't need to be dialled in and should always be set to zero ...for RB25 Gtst's.

This was after we dialled in [from memory 5 degrees [could have been 10, it was 20 years ago]] and it ran like shit.  Asking around everyone said to set to zero and it will work.....we did, and it did.

I could be wrong for your motor, but if you don't see gains then zero is your answer.

But Dose Pipe and GTSboy will know more.

Yeah I heard that too- but these seem fairly big for what most run. Probably going to get some stock cams for now- runs like a dog off boost and isn't fun, 120psi across all 6, shitty idle etc

Likely they are 0* right now- no adjustable cam gears so I think for street use stock is fine.

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