NWP 75mm throttle body
07-24-2013, 11:33 AM
#101
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Just got my flange in the mail from NWP. As someone who has been a manufacturer and customer in the Nissan domain for over 10 years now, I can say that this is a pretty well put together kit. Nice job, guys!
I'll see if I can bolt this up before the weekend and do some datalogging. I've got a 75mm TB that I'm modifying the throttle shaft on, and I've got some connectors that I'll use to make my own wiring adapter. Car is 05 revup with Nismo headers, stock cats, and Nismo S-tune exhaust... plus uprev.
I'll see if I can bolt this up before the weekend and do some datalogging. I've got a 75mm TB that I'm modifying the throttle shaft on, and I've got some connectors that I'll use to make my own wiring adapter. Car is 05 revup with Nismo headers, stock cats, and Nismo S-tune exhaust... plus uprev.
07-26-2013, 06:38 PM
#102
I don't know if SG singled out the turn in the stock plenum and state that was the issue. If anything they showed that the stock plenum doesn't flow as much as most thought by increasing the overall volume (pretty much to infinite because they eventually opened the plenum and went ITBs).
But yeah, I agree that everything works in conjunction. I still don't understand how changing just the throttle body will yield gains without at least changing the pipe size prior to the throttle body (Bernoulli's principle). I raised this question earlier but was not given a satisfactory answer.
But yeah, I agree that everything works in conjunction. I still don't understand how changing just the throttle body will yield gains without at least changing the pipe size prior to the throttle body (Bernoulli's principle). I raised this question earlier but was not given a satisfactory answer.
Last edited by T_K; 07-26-2013 at 06:39 PM.
07-27-2013, 02:00 PM
#104
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Here's my review: https://my350z.com/forum/intake-exha...dy-review.html
07-27-2013, 03:31 PM
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07-28-2013, 09:40 AM
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07-29-2013, 05:53 PM
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For one, if the 2006 in question is non-revup, then it's automatic. All 06 MT's were revup. The non-revup ones were AT. The low rev limit supports this.
Also, peak power means little. The red curve has a significant area under the curve advantage, especially at the top end where it matters.
One more thing. If you understand why a big throttle body would make power, because of lower pressure drop through it at high mass flow rates, then you would immediately ignore the mid-range left half of the graph anyways. If I wanted more power at 3500, I would downshift.
Also, peak power means little. The red curve has a significant area under the curve advantage, especially at the top end where it matters.
One more thing. If you understand why a big throttle body would make power, because of lower pressure drop through it at high mass flow rates, then you would immediately ignore the mid-range left half of the graph anyways. If I wanted more power at 3500, I would downshift.