Nissan 370Z Forum

Nissan 370Z Forum (http://www.the370z.com/)
-   Forced Induction (http://www.the370z.com/forced-induction/)
-   -   another greddy TT video (http://www.the370z.com/forced-induction/73124-another-greddy-tt-video.html)

MyKindaGuise 06-26-2013 09:31 PM

Sure would be a shame if...someone remembered his youtube account name...zphunkchicago

Pretty sure posting a youtube name for unknown reasons doesn't conflict with any forum rules.

DIGItonium 06-27-2013 08:00 AM

Quote:

Originally Posted by elperuano (Post 2381138)
Its for safety reason guys come on. We're in the FI section spending thousands of dollars to triple our power! We don't wanna see Highway pulls... In that video the guy was going over 100! No one here does that right?!?!

Hmm... yea I've only done 3rd gear pulls with a fast shift into 4th (when executed properly it feels so good). Maybe Charles should do 1st and 2nd gear pulls since that's like 62 MPH. :p

Quite honestly the 1st-2nd gear pull under boost is crazy awesome, and I've only done that once after getting the test pipes.

SPOHN 06-27-2013 09:15 AM

Phunk. Can you pm me the link up your video. Can't find it on YouTube.

MyKindaGuise 06-27-2013 09:16 AM

Quote:

Originally Posted by SPOHN (Post 2381879)
Phunk. Can you pm me the link up your video. Can't find it on YouTube.

Look 3 comments up bud...I posted his channel.

phunk 06-27-2013 03:05 PM

Quote:

Originally Posted by DIGItonium (Post 2380756)
Maybe we can get it back since you're recording a test video. Several of us, including myself, have posted test videos. I think this thread will get locked if it was a discussion about street racing.

Anyhow, are you running your upgraded fuel rails, return, pump, and regulator with this car as well?

My car is running a custom fuel setup that I whipped up on the fly. I dont like fuel feed lines being anywhere near turbos and manifolds, so I cut the feed pipe under the car and adapted it to -8AN. I ran stainless hardline down the side of the engine bay that comes up top near the front of the passenger valvecover, and then into the 2 bolt fuel connection at the valvecover. I didnt make a product out of this because it is an irreversible thing that I dont think many people would be a fan of doing to their car.

I havent upgraded the rails. I think that the 370z fuel system is mostly adequate just getting a fuel pump and possibly a stage 0 return (return conversion with no feed ugprades) for as much power as the stock engine can handle. But this could be a slightly tainted perspective since my car does have half upgraded feed plumbing.

phunk 06-27-2013 03:06 PM

Quote:

Originally Posted by SPOHN (Post 2381879)
Phunk. Can you pm me the link up your video. Can't find it on YouTube.

I have been personally warned by moderators about my video on the forum... so i shouldnt mess with it. Feel free to text message my cell and I can send you a link that way.

phunk 06-27-2013 03:07 PM

Quote:

Originally Posted by DIGItonium (Post 2381762)
Hmm... yea I've only done 3rd gear pulls with a fast shift into 4th (when executed properly it feels so good). Maybe Charles should do 1st and 2nd gear pulls since that's like 62 MPH. :p

Quite honestly the 1st-2nd gear pull under boost is crazy awesome, and I've only done that once after getting the test pipes.

I can try but first gear just spins and 2nd gear is over with so quickly, but at least now it hooks up 2nd with the drag radial i put on it. Its like 90 degrees out today so it wont look very impressive, I will take another vid on a cool evening in the next week or so

DIGItonium 06-27-2013 04:32 PM

So your final gear is still stock? Mr. Squeeze changed his to make the gears a little taller. I wouldn't mind doing something like this down the road. Just not sure if it's worth messing with the LSD lol.

phunk 06-27-2013 04:34 PM

ya I have stock gearing in the car for now. I didnt want to mess with the rev match. Since my car has rather good traction on the drag radials, I dont think I want to slow it down any with gearing right now. With a built motor, I would change the FD

SPOHN 06-27-2013 06:25 PM

How is it you make that much power (524) at only 7-8lbs of boost? Are those 20G turbo's?

phunk 06-27-2013 06:50 PM

Quote:

Originally Posted by SPOHN (Post 2382744)
How is it you make that much power (524) at only 7-8lbs of boost? Are those 20G turbo's?

Yes the turbos are 20gs with greddys custom housings. Not sure if the wheels are typical Mitsubishi or slightly custom for greddy. I see no reason to run anything smaller on this car. People worry about lag but that is not a concern... This car isn't like a supra or evo that would struggle to run a 15 second 1/4 mile without its boost... This car is a low 13 second car before there's any forced induction... So it already has acceptable pull/motivation before the airflow exceeds NA... And the turbos come on so fast anyway... Smaller turbos would only promote more midrange tire smoking torque, which doesn't get you accelerating any better, and sacrifice of power at the top of the rpm band, where you can actually use it.

My car makes higher than average power per psi because of many minor instances of attention to detail and hand finishing work on every part before I install it... And probably mostly because I don't tune my car like I'm afraid of it. Other tuners would never let you leave the shop with as much ignition timing as I run... But the truth with ignition timing is that the more power its making the more correct the timing is.

I would rather run less boost and more timing, to have a more efficient (in every way) engine. Other tuners prefer to run more boost, and reduce efficiency in the tune.. This way there is more room for error/slop in the tune before you're at the brink of destroying the engine. Sounds lame but this scenario is generally more ideal for the end user that doesn't tune their own car, especially if they plan to hold their tuner liable for their engine. Any tuner could make the same or possibly more power in someone else's car with similar mods if they chose to be aggressive with the tune, so there's no black magic in my car.

Nixlimited 06-27-2013 06:59 PM

I am constantly concerned with whether I am going to think the 16Gs are too small, but because it is fairly modular, I can cross that bridge when/if it comes.

SPOHN 06-27-2013 07:07 PM

Quote:

Originally Posted by phunk (Post 2382768)
Yes the turbos are 20gs with greddys custom housings. Not sure if the wheels are typical Mitsubishi or slightly custom for greddy. I see no reason to run anything smaller on this car. People worry about lag but that is not a concern... This car isn't like a supra or evo that would struggle to run a 15 second 1/4 mile without its boost... This car is a low 13 second car before there's any forced induction... So it already has acceptable pull/motivation before the airflow exceeds NA... And the turbos come on so fast anyway... Smaller turbos would only promote more midrange tire smoking torque, which doesn't get you accelerating any better, and sacrifice of power at the top of the rpm band, where you can actually use it.

My car makes higher than average power per psi because of many minor instances of attention to detail and hand finishing work on every part before I install it... And probably mostly because I don't tune my car like I'm afraid of it. Other tuners would never let you leave the shop with as much ignition timing as I run... But the truth with ignition timing is that the more power its making the more correct the timing is.

I would rather run less boost and more timing, to have a more efficient (in every way) engine. Other tuners prefer to run more boost, and reduce efficiency in the tune.. This way there is more room for error/slop in the tune before you're at the brink of destroying the engine. Sounds lame but this scenario is generally more ideal for the end user that doesn't tune their own car, especially if they plan to hold their tuner liable for their engine. Any tuner could make the same or possibly more power in someone else's car with similar mods if they chose to be aggressive with the tune, so there's no black magic in my car.

So does it matter that your running E85 with that much timing? Cause I know E85 is more friendlier with tuning? You are running E85 still, right?

Trying to send you a PM. Your box is full.

phunk 06-27-2013 07:42 PM

Yes different fuel types require different timing calibrations that move the boundary of conservative vs aggressive up or down. My car only runs e85. It's only been on the dyno once, when I tuned it for e85

phunk 06-27-2013 08:31 PM

Quote:

Originally Posted by Nixlimited (Post 2382775)
I am constantly concerned with whether I am going to think the 16Gs are too small, but because it is fairly modular, I can cross that bridge when/if it comes.

what made you decide on 16g turbos? i feel they are small for the application. I believe you will thoroughly enjoy them, I just am not so sure i see any benefit to weigh.


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