Nissan 370Z Forum
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Nissan 370Z Forum (http://www.the370z.com/)
-   Intake/Exhaust (http://www.the370z.com/intake-exhaust/)
-   -   Installing Momentum Headers (http://www.the370z.com/intake-exhaust/66634-installing-momentum-headers.html)

Chuck33079 04-03-2013 05:15 PM
Quote:
Originally Posted by AlexRaymond19 (Post 2249646)
Also, i thought the tq and the hp had to cross at 5300?? Is that close enough, or is something fishy
I thought it was 5252. My math is a little rusty though.

AlexRaymond19 04-03-2013 05:23 PM
Oh and i got a peak at some dyno sheets they had on a stock 370 putting down 249 255 and 252 hp on the same dyno. And when i asked if their dyno reads high or low they said on average they see it read 8-15% lower than dynojets

AlexRaymond19 04-03-2013 05:24 PM
Still word or mouth and worthless, but I am getting a bit antsy to get it on a different dyno

MJB 04-03-2013 05:26 PM
Quote:
Originally Posted by AlexRaymond19 (Post 2249662)
Still word or mouth and worthless, but I am getting a bit antsy to get it on a different dyno
Why? Aren't happy with the numbers? You said it ran like a raped ape when you had the performance tune on it right? Hows the suspension feel, and what did your alignment look like?

AlexRaymond19 04-03-2013 05:33 PM
I meant the actual dyno numbers they told me about their dyno running lower than average were worthless. It grips like glue! A lot less body roll, changing lanes on the highway is like instant now. And believe it or not, the ride feels less bumpy! I took an off ramp at 60, **** myself, and still didn't come close to feeling like i was going to lose it. Its tight and peppy. So as of this moment i am happy with it. The valet tune is pretty cool too, i love the sound of it tacking out at 4k rpm. Sounds like a video game

Jordo! 04-03-2013 05:51 PM
Quote:
Originally Posted by Chuck33079 (Post 2249648)
I thought it was 5252. My math is a little rusty though.
When scaled for lb-ft, it is.

Jordo! 04-03-2013 05:53 PM
Quote:
Originally Posted by AlexRaymond19 (Post 2249672)
I meant the actual dyno numbers they told me about their dyno running lower than average were worthless. It grips like glue! A lot less body roll, changing lanes on the highway is like instant now. And believe it or not, the ride feels less bumpy! I took an off ramp at 60, **** myself, and still didn't come close to feeling like i was going to lose it. Its tight and peppy. So as of this moment i am happy with it. The valet tune is pretty cool too, i love the sound of it tacking out at 4k rpm. Sounds like a video game
Any dyno will give you potentially "accurate" values, but I'd put it on a dynojet simply because they are VERY consistent from unit to unit.

Get uncorrected, SAE, and if you wish STD and then it will be clearer what's going on.

SS_Firehawk 04-03-2013 06:01 PM
Quote:
Originally Posted by Jordo! (Post 2249698)
Any dyno will give you potentially "accurate" values, but I'd put it on a dynojet simply because they are VERY consistent from unit to unit.

Get uncorrected, SAE, and if you wish STD and then it will be clearer what's going on.
Just ask for the DRF files and download winpep.

Joepro 04-03-2013 06:04 PM
Quote:
Originally Posted by AlexRaymond19 (Post 2249644)
http://i904.photobucket.com/albums/a...403_180249.jpg

That is actually the stock cat numbers. They said it made more HP with the stock cats by 2whp... I don't really know how that is possible... First impressions, it felt slow. I don;t know if its because its a **** ton quieter and just feels slower or what. I put the TP map on, and it friggin screams now. Its like stupid fast. Is it okay to run the TP tune with the cats on?

Also, i am most definately taking it to another shop to verify dyno results and see if they can take a peak at the tune and see what the deal is with the test pipes not making more power.
Do they have the TP graph, maybe someone else know better than us but these cars see to ALWAYS gain hp without cats, unless they have the graph I call BS on that, they didn't do it. Time to part ways with this shop...

JC671 04-03-2013 06:47 PM
Quote:
Originally Posted by AlexRaymond19 (Post 2249672)
i love the sound of it tacking out at 4k rpm. Sounds like a video game
This turned into a Journal:stirthepot::bowrofl:


4K is a bit high for a valet tune/limiter... You can still get up to speed with that. I limit mine to 2.5K. I mean most valet area where I'm at parking distance is only xx ft. away they can drive at 25mph max to get it to parking. This is the benefit of having the tuner version:tup: you can do it yourself.


Also, whenever I get work done that I can't handle. I put it in valet mode :tiphat:


I'm glad your happy your setup.:tup:

Huck 04-03-2013 08:08 PM
At least they gave you maps. I payed $600 and the fûcker wouldn't even make any maps for me. And he netted me all of 8hp.


Sent from my iPizzle using magic and new-fangled science stuff

Dzel 04-14-2013 09:15 PM
I'm attacking this soon and have just made it half way through your thread.

AlexRaymond19 04-15-2013 12:31 PM
Quote:
Originally Posted by Dzel (Post 2267131)
I'm attacking this soon and have just made it half way through your thread.
Good luck man! PM me if you get stuck, I will give you my cell #

Dzel 04-15-2013 02:19 PM
Quote:
Originally Posted by AlexRaymond19 (Post 2267843)
Good luck man! PM me if you get stuck, I will give you my cell #
I would really appreciate it Thanks!

Huck 04-15-2013 11:48 PM
Haha prepare to hate your car with a passion man! Good luck!


Sent from my iPizzle using magic and new-fangled science stuff


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