Nissan 370Z Forum

Nissan 370Z Forum (http://www.the370z.com/)
-   Intake/Exhaust (http://www.the370z.com/intake-exhaust/)
-   -   DYNO - NISMO CBE and K&N Dropins (http://www.the370z.com/intake-exhaust/50070-dyno-nismo-cbe-k-n-dropins.html)

Jordo! 02-22-2012 10:43 PM

Quote:

Originally Posted by ImportConvert (Post 1557872)
I'm still stressing over those filtration tests that show K&N to "not filter very well".

Then on the flip side, you have Ford putting a similar intake OEM on the GT500, and then warrantying it for 5/60 with longer available.

Not sure :/

Do you mean the comparison test vs. various other filters on that Supra forum?

If so, it still performed 2nd best of the lot.

Dry mediums tend to filter marginally better, but they also tend to flow a bit more poorly when clean (although, they do flow better when caked with dirt...).

Anyway, you should be fine with either a dry synthetic or oiled cotton medium.

ImportConvert 02-23-2012 12:51 AM

Quote:

Originally Posted by Jordo! (Post 1559915)
Do you mean the comparison test vs. various other filters on that Supra forum?

If so, it still performed 2nd best of the lot.

Dry mediums tend to filter marginally better, but they also tend to flow a bit more poorly when clean (although, they do flow better when caked with dirt...).

Anyway, you should be fine with either a dry synthetic or oiled cotton medium.

Link?

370Z JT 02-23-2012 01:04 AM

Quote:

Originally Posted by BigT (Post 1558837)
So, you're saying that adding drop-ins gained another 16whp? If so, that is amazing!

:iagree:

Why are we even messing with aftermarket CAIs!? :bowrofl:

BigT 02-23-2012 10:33 AM

I just put K&N's and MAF tubes on my car. While it feels peppier with increased throttle responce and more power, I wasn't expecting 16whp or anywhere near that. Hell, I would be truelly happy with 10whp peak.

Cmike2780 02-23-2012 10:40 AM

Quote:

Originally Posted by BigT (Post 1560580)
I just put K&N's and MAF tubes on my car. While it feels peppier with increased throttle responce and more power, I wasn't expecting 16whp or anywhere near that. Hell, I would be truelly happy with 10whp peak.

It's $100. I'd be happy with 5whp gain. Goes to show, once again, how the stock intake box is plenty efficient. I'd be curious to see what gains the OP would get on this particular car and dyno if he installed the Stillen Gen 3's.

Sh0velMan 02-23-2012 10:44 AM

Quote:

Originally Posted by Cmike2780 (Post 1560591)
It's $100. I'd be happy with 5whp gain. Goes to show, once again, how the stock intake box is plenty efficient. I'd be curious to see what gains the OP would get on this particular car and dyno if he installed the Stillen Gen 3's.

I am not saying my gains are typical, but they are real.

We're probably going to go with an AEM intake rather than the Stillen. Reason being we can ditch the ETI module when we put the uprev tune on it and have a larger intake tube overall.

Sh0velMan 02-23-2012 10:47 AM

I would also say it's more like 13whp, since the 293whp on the baseline was at 7100ish rpm and the 309 we got was at 7300.

I apologize for the inconsistent baseline vs modded charts, we were rushed. :(

Speedy 02-23-2012 10:52 AM

One easy way to test to see just how restrictive (or non-restrictive) the stock air filters/boxes are would be to just make a dyno run with them on, then take them off. Can't get any more open than that. With the hood up on a dyno and fans blowing on the motor it's gonna get cool air making the CAI test kinda moot as they would be somewhere a bit less than just no boxes at all.

BigT 02-23-2012 12:40 PM

Quote:

Originally Posted by Sh0velMan (Post 1560608)
I would also say it's more like 13whp, since the 293whp on the baseline was at 7100ish rpm and the 309 we got was at 7300.

I apologize for the inconsistent baseline vs modded charts, we were rushed. :(

Well, that changes everything... maybe.

Peak power is that, peak power. It might have peaked at 7100 before and now peaks at 7300 with the filters. BUT, if power was still climbing on the 293whp pull and the run was stopped at 7100 prematurely, then the gains are slightly false and more than likely less than what we are all going with at this point.

Cmike2780 02-23-2012 12:56 PM

Quote:

Originally Posted by BigT (Post 1560860)
Well, that changes everything... maybe.

Peak power is that, peak power. It might have peaked at 7100 before and now peaks at 7300 with the filters. BUT, if power was still climbing on the 293whp pull and the run was stopped at 7100 prematurely, then the gains are slightly false and more than likely less than what we are all going with at this point.

It's not that huge of an rpm difference, but I do see your point. The graph looks pretty linear though and pretty decent amount of gain looks very plausible.

One_Quick_Z 02-23-2012 12:58 PM

Nice gains!


I made 22whp over my baseline with just exhaust and test pipes, glad you like the results!




DAN

Jordo! 02-23-2012 04:09 PM

Quote:

Originally Posted by ImportConvert (Post 1560110)
Link?

http://www.mkiv.com/techarticles/filters_test/2/

ImportConvert 02-23-2012 05:27 PM

Quote:

Originally Posted by Jordo! (Post 1561322)

Thanks!

Are there any other filters that drop-in to the OEM air-boxes?

Jordo! 02-23-2012 07:54 PM

Quote:

Originally Posted by ImportConvert (Post 1561525)
Thanks!

Are there any other filters that drop-in to the OEM air-boxes?

I think HKS and Cosworth both make dry element filters.


All times are GMT -5. The time now is 05:26 AM.

Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2025, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.0 PL2