Nissan 370Z Forum
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Nissan 370Z Forum (http://www.the370z.com/)
-   Intake/Exhaust (http://www.the370z.com/intake-exhaust/)
-   -   CBE w/no or least drone? (http://www.the370z.com/intake-exhaust/49999-cbe-w-no-least-drone.html)

Red__Zed 02-22-2012 09:23 AM
Quote:
Originally Posted by Nick911sc (Post 1557958)
If you look around the forum there are a bunch of threads debating FI vs Berk. The problem is that dyno charts are difficult to compare against each other. There are too many factors that can skew results. With that being said... The HP differences +/- between Berk and FI are IMO negligible. Invidia on the other had has proven to have less gains because of extra restriction.
[citation needed]


http://www.carpromods.com/ShowProduc...ame=carpromods

http://i181.photobucket.com/albums/x...Z/IMG_0218.jpg


I'd be stunned to find evidence of "more restriction" in the gemini, so please back up you claim with fact. The exhausts follow identical bends and use the same muffler in their current iterations, ever since berk made the most recent change to their exhaust.


Most dynos show ~6-7 PP gains for FI, berk shows 3-5, as does invidia.

TXSpeedDemon 02-22-2012 09:27 AM
The Greddy Turbo Ti-C will have no drone with the silencers in. It's a lot louder with them out and some drone right around 2800-3200 RPMs. 2.75" diameter pipes.

And gains about ~10whp/8tq with silencers with no turbo
It gains about ~7whp/4tq without silencers with no turbo

Pics of the fitment and quality here:
Nissan 370Z Forum - TXSpeedDemon's Album: Greddy Turbo Ti-C Exhaust

I'm real happy with mine. Sounds great inside and outside of the car. Looks good without being too big/showy. Fit perfect with no issues at all.

ImportConvert 02-22-2012 09:42 AM
Quote:
Originally Posted by Red__Zed (Post 1557987)
[citation needed]


http://www.carpromods.com/ShowProduc...ame=carpromods

http://i181.photobucket.com/albums/x...Z/IMG_0218.jpg


I'd be stunned to find evidence of "more restriction" in the gemini, so please back up you claim with fact. The exhausts follow identical bends and use the same muffler in their current iterations, ever since berk made the most recent change to their exhaust.


Most dynos show ~6-7 PP gains for FI, berk shows 3-5, as does invidia.
Awww...what happened to 12-14whp :(

m4a1mustang 02-22-2012 09:46 AM
Quote:
Originally Posted by ImportConvert (Post 1558030)
Awww...what happened to 12-14whp :(
Dude they are all pretty close. Just get the Berk... you will be happy with the quality and the sound. The extra power is just a plus. The sound is what you'll love about it.

Red__Zed 02-22-2012 09:47 AM
Quote:
Originally Posted by ImportConvert (Post 1558030)
Awww...what happened to 12-14whp :(
PP numbers are more telling. 10whp over a 200whp baseline is 5PP, over a 300whp baseline it is 3.33...pp. basically takes the inflationary nature of dyno out, which does a lot to level the numbers.

ZMan8 02-22-2012 09:47 AM
Quote:
Originally Posted by ImportConvert (Post 1558030)
Awww...what happened to 12-14whp :(
I think he mentioned PP not WHP.
EDIT: he explained it

Red__Zed 02-22-2012 09:48 AM
Quote:
Originally Posted by ZMan8 (Post 1558040)
I think he mentioned PP not WHP. hp gain related to weight if im not mistaken.
It's a percentage point gain.

ZMan8 02-22-2012 09:50 AM
Quote:
Originally Posted by Red__Zed (Post 1558041)
It's a percentage point gain.
:tup: haha thanks :tiphat:! I think i'm confusing it with PP used in gran turismo game. ;)

Red__Zed 02-22-2012 09:51 AM
Quote:
Originally Posted by ZMan8 (Post 1558042)
:tup: haha thanks :tiphat:! I think i'm confusing it with PP used in gran turismo game. ;)
:tup::bowrofl:

370guy 02-22-2012 09:53 AM
My TopSpeed exhaust has ZERO drone, and I even have the unresonted form. It also sounds great and its the cheapest ption by far

Mandingo 02-22-2012 09:54 AM
Quote:
Originally Posted by ZMan8 (Post 1558042)
:tup: haha thanks :tiphat:! I think i'm confusing it with PP used in gran turismo game. ;)
:icon18: It would be awesome if GT5 was that detailed

ImportConvert 02-22-2012 09:56 AM
I want a bigger pp, but I understand what you mean, lol.

Berk it is, now just waiting on the actual car to be available.

m4a1mustang 02-22-2012 09:57 AM
Quote:
Originally Posted by ImportConvert (Post 1558058)
I want a bigger pp, but I understand what you mean, lol.

Berk it is, now just waiting on the actual car to be available.
:bowrofl:

Explains the Z06... :p


Repped :bowrofl::bowrofl::bowrofl:

ZMan8 02-22-2012 09:58 AM
Quote:
Originally Posted by Mandingo (Post 1558055)
:icon18: It would be awesome if GT5 was that detailed
I'm pretty sure it is. Haven't played in a while, but they do use HP gain and PP gain for mods. I'm not sure if this is "percentage points" or "performance points"

Also, each race has hp or PP restrictions. (note: this form of pp, is definitely performance points which is hp related to weight, less weight is higher pp)

ZMan8 02-22-2012 09:59 AM
Quote:
Originally Posted by ImportConvert (Post 1558058)
I want a bigger pp, but I understand what you mean, lol.

Berk it is, now just waiting on the actual car to be available.
:icon18:


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