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Fs: Tomei Poncams Rb25det Series 2

NYTSKY
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NYTSKY Grand Master

NYTSKY

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Posted

I have for sale a set of Tomei Poncams for series 2 R33.

BRAND NEW IN BOX!

1X Intake

1X Exhaust

256 degree cam.

No valve springs needed.

They are for series 2 R33 built from Sep 97 part.

Part number is 143050.

Asking $700 delivered FIRM!

Or swap for series 1 Poncams part number 143020(must be new)

PM if interested

CHEERS

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NYTSKY Grand Master

NYTSKY

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Sounds like they will fit my RB25 NEO! Would I be right?

I dont think they fit NEO engines.Tomei have a different part number on their website.But the best way to find out would be to take your car to your tuner and get them to tell you what part number and cams would suit your car. :D

Shift_Lock Rookie

Shift_Lock

Posted
Posted (edited)
Does anyone know what effect the CAMS have on fuel economy?

Speaking generally..

Mild Road Cam 257deg-260deg. Gives low end improvements and used in unmodified engines suitable for all car types and gives a smooth tickover. Fuel economy may actually improve and power and responsiveness will be greater.

Fast Road cam 270deg-285deg. Good compromise for a road car the tick over is still fairly smooth and emissions are within legal limits. A good choice for a car used daily and for weekend track use and perfect for a hot hatch. This profile still gives reasonable fuel economy and a choppy tickover.

Competition cams 290deg-320deg. The best performance profile for an engine which works continually over 3000 revs. The tickover is very lumpy and irregular and the car is lumpy to drive round town. Fuel economy is pathetic and it is unlikely that a car with this fitted will pass any kind of emissions test.

Edited by Shift_Lock

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