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Iv searched everywhere and i can't seem to find threads about people putting poncams into a RB25DE, has anyone installed these before? Im getting the ones that are straight drop in no tune needed. Iv had people who have had decent gains on N/A Sr20s but nothing on RB25DE, if anyone has any insight on this, let me know cheers.

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https://www.sau.com.au/forums/topic/410003-tomei-poncams-rb25de/
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  • 2 weeks later...

you could be looking at 10kw for $1000 or so. . . not real good value

This is true, plus the bigger u go the further u move ur torque curve up the rev range, natros need midrange grunt no good gaining 8rwkw up high If your going to lose 10rwkw between 0/4000 rpm.

Only three reasons to do cams in a natro:

1. It's a race car restricted to capacity/induction rules

2. Your intending on spending big money on a natro build (lobe separation I believe are different between na and turbo cams through tomei, well in the 34 anyway)

3. You want a tuff as nails idle (in which case a simple drop in 254 8mm lift won't overly achieve you'll need solid lifters and I big mofo cam (which will result in an off cam lagy pig and more then likely be slower)

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