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You carn't predict the lifespan of an enigne. As others have said its how you drive/look after it and what modification's are done.

eg: Fairly Modified RB26 - could last 80,000ks or could last 180,000 depends on what you do to it.

Stock GTR, RB26 is nearly impossible to kill & will last for ages if you look after it. - meaning stock boost aswel.

:cheers:

Jun

I've dragged this from an article on the VL commodore.

Nissan's 3.0-litre six was a jewel of an engine, engineered for a 400,000 km life and offering a third more power from 10 per cent less capacity while using 15 per cent less low octane unleaded, compared to Holden's old 3.3-litre six on high octane leaded fuel.  

If the RB30 was suppose to have a 400k life, you would think the other RB engines would be the same.

I have no doubt, any RB engine bottom end will do over 400k if left at stock power levels.

I have pulled down RB30's with over 300k and they still have hone marks.

They are great engines, well over-engineered.

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