01-27-2012, 05:23 PM
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#7 (permalink)
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Enthusiast Member
Join Date: Mar 2011
Location: Austin, TX
Posts: 279
Drives: '11 Gunmetal 370Z MT
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Quote:
Originally Posted by HKYStormFront
i agree with this^ you're talking about a good 6-8 hours of labor to make a small change in timing
pretty sure both cams have cam phasers... the VQ35DE "revup" and the VQ35HR did...
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Yes thats true those motors did have exhaust phasing. But VHR isn't those motors. It's all in the service manual, and can also be seen if look at a disassembled VHR head.
Notice how the intake valve open and close times have a wide range, and the exhaust valve has 0 range?
No clue why nissan did it this way, maybe they couldn't make it all fit in there with VVEL + exhaust phasing, maybe they are saving it so they can have more power in the next generation engine, maybe cost, who knows.
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