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Do Late Series Ii R33's Have Neo?

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Lil_Bobby_260 Mentor

Lil_Bobby_260

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nope. basically the same engine but run a bit more efficiently. still an rb25det. the variable timeing engines are VE eg SR20VE (variable cams as opposed ot double cams)

pixel8r Mentor

pixel8r

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Posted (edited)
nope. basically the same engine but run a bit more efficiently. still an rb25det. the variable timeing engines are VE eg SR20VE (variable cams as opposed ot double cams)

The RB25DET original has VVT but its only like On/Off whereas the NEO has fully variable VVT. Its been covered on here before.

Also, the NEO has 60N-m more max torque and more than 1000rpm earlier in the rev range, so basically a lot more torque at lower revs...

Its also got an extra 20kw peak power, and to top it off, its a touch more economical as well. So yes, I'd say its improved to run noticeably more efficiently. Not a huge difference (appart from torque) but a noticeable difference.

Most of these improvements are all related to the improved VVT, which may be why someone mentioned it being nissan's answer to V-TEC. But I think nissan's answer to V-TEC could just be the TURBO lol! Give me boost and bucketloads of torque anyday over those tiny V-TEC engines that need a car that weighs less than a jellybean to make them go. Sure they're quick, and the technology is great, but they just lack torque.

(maybe I'd think differently if I had a lighter car, but having performance AND practicallity in the one car is very very nice)

I've also been told the NEO has direct injection, but maybe someone on here could confirm that?

It can get confusing referring to both engines because the engine code is the same for both.

The NEO name is probably just given to differentiate between the two. Nothing to do with V-TEC at all in the name.

Edited by pixel8r
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HotPlates

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I should have asked whether the RB25DET has VVT, as I thought all that NEO is is just VVT (like VTEC) anyway.

Take the R33 up to 5,500rpm and there is a nice kick. I assume this is the VVT coming in. Is that right?

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