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-   -   TSM makes 357RWHP NA on a Stock Longblock VQ37 (http://www.the370z.com/engine-drivetrain/89418-tsm-makes-357rwhp-na-stock-longblock-vq37.html)

Rob@TSM 04-28-2014 04:26 PM

TSM makes 357RWHP NA on a Stock Longblock VQ37
 
For those of you that may not know me, or TopSpeed Motorsports. I encourage you to check this our as well. http://www.the370z.com/introduction/71910-topspeed-motorsports-introduction.html

We recently had the opportunity to complete a very interesting Naturally Aspirated project on a customer's 2012 Nismo 370Z. Allison (allystephy on here) pretty much gave me free reign on the project, her only request being that I make more Naturally Aspirated power than I previously had while working at Z1. My previous best was low-mid 340's on pump gas, and high 340's on E85, needless to say, after a little more R&D on the VQ37 we made it happen.

Modifications include:
TSM Modified aFe Intakes
TSM Fuel system upgrade
TSM Proprietary Modifcations
Z1 Headers
Tomei Test Pipes
Tomei Ti Cat-back exhaust
TSM Dyno Tuning with VVEL Calibration

I believe this to be the highest HP ever recorded by a Stock Longblock Naturally Aspirated 370Z/G37 on a Dynojet.


This car made 346rwhp on our in house DynoJet on 93 Octane pump gas.
http://i848.photobucket.com/albums/a...ps5ac35eb0.jpg

357rwhp on E85
http://i848.photobucket.com/albums/a...psd6556d0c.jpg


Here's a comparison to a stock Nismo 370Z we previously dynoed.
http://i848.photobucket.com/albums/a...pse3b0cfed.jpg


Stock Vs Pump Vs E85
http://i848.photobucket.com/albums/a...ps83a83ea7.jpg

Video
http://i848.photobucket.com/albums/a...pspanq5nuc.jpg

jpritche 04-28-2014 04:29 PM

Great job Rob!

Jordo! 04-28-2014 04:32 PM

What were the run conditions and the actual correction factor value(s) for those runs?

On that note, what are the values for SAE?

Rob@TSM 04-28-2014 04:47 PM

Quote:

Originally Posted by Jordo! (Post 2798657)
What were the run conditions and the actual correction factor value(s) for those runs?

On that note, what are the values for SAE?

http://i848.photobucket.com/albums/a...ps59a8b7f3.jpg

http://i848.photobucket.com/albums/a...ps36e40871.jpg

Megan370z 04-28-2014 04:55 PM

Quote:

Originally Posted by Rob@TSM (Post 2798673)

Baseline 272
tuned 340 (93octane)
only a gain of 68whp with tuned VVEL and a secret mod ?
hehe :tup:

I had he same result of 68whp without a truly tuned exhaust and VVEL on 91octane 2 year ago before I blew the engine.

I'm not bashing you guys but this show my point right there...

There is quite more still to be gained in N/A form with the stock VVEL engine.

Rob@TSM 04-28-2014 05:00 PM

Quote:

Originally Posted by Megan370z (Post 2798694)
Baseline 272
tuned 340 (93octane)
only a gain of 68whp with tuned VVEL and a secret mod ?
hehe :tup:

I had he same result of 68whp without a truly tuned exhaust and VVEL on 91octane 2 year ago before I blew the engine.

I'm not bashing you guys but this show my point right there...

There is quite more still to be gained in N/A form with the stock VVEL engine.

Anyone can make a baseline number low, the baseline number I posted is a representation of a legitimate test of power of a stock car, and actually under better conditions that the modified runs. People seem to have a much harder time making legitimate power on modified 370Zs.

Megan370z 04-28-2014 05:05 PM

Quote:

Originally Posted by Rob@TSM (Post 2798707)
Anyone can make a baseline number low, the baseline number I posted is a representation of a legitimate test of power of a stock car, and actually under better conditions that the modified runs. People seem to have a much harder time making legitimate power on modified 370Zs.

I didn't argue with you btw. and 272 is about what Ive seem a Nismo run on a dynojet (a bit low but close). so yeah I do believe the end result without a doubt.
The major point I was bringing was there is still more to be gained.

Rob@TSM 04-28-2014 05:08 PM

Quote:

Originally Posted by Megan370z (Post 2798711)
I didn't argue with you btw. and 272 is about what Ive seem a Nismo run on a dynojet (a bit low but close). so yeah I do believe the end result without a doubt.
The major point I was bringing was there is still more to be gained.

Of course, there always is. I have no doubt this same car will make 360+ under better conditions and a little more tuning, which will happen in the very near future.

Jordo! 04-28-2014 05:14 PM

The CF values are a tad on the high side (STD must have been 1.05 - 1.07), but those are still very impressive gains.

Hmm. I'm thinking some serious massaging of the TB's and intake porting must have been involved... with larger diameters and pnp I bet there's plenty to be milked with VVEL tuning.

Rob@TSM 04-28-2014 05:17 PM

Quote:

Originally Posted by Jordo! (Post 2798720)
The CF values are a tad on the high side (STD must have been 1.05 - 1.07), but those are still very impressive gains.

Hmm. I'm thinking some serious massaging of the TB's and intake porting must have been involved... with larger diameters and pnp I bet there's plenty to be milked with VVEL tuning.

Proper VVEL Tuning resulted in a large gain, STD was 1.05. Uncorrected was 340, but conditions on the dyno were horrible that day.

6MT-Z34 04-28-2014 05:19 PM

Those are good numbers!!....it would be nice if you guys make some headers that can bolt up to other non z1 pipes and exhaust

Jordo! 04-28-2014 05:24 PM

Quote:

Originally Posted by Rob@TSM (Post 2798723)
Proper VVEL Tuning resulted in a large gain, STD was 1.05. Uncorrected was 340, but conditions on the dyno were horrible that day.

Again, very impressive. A cold day and you guys will definitely see over 360.

Was the VVEL tuning with uprev or ECUtek?

EDIT: Sorry, you answered this in the other thread -- uprev.

Well, my hats off you -- looking forward to more results :tiphat:

Yutnaka 04-28-2014 05:52 PM

Impressive, Rob!

Eclipz 04-28-2014 10:27 PM

Is that a 350Z exhaust?

Specifically, EXPREME?

synolimit 04-29-2014 01:42 AM

Will you not give deets on the mods? Kinda vague if someone wants to duplicate.

From what I see its a intake (modded:confused: ?), fuel system (255 and injectors? but shouldn't have an effect on the 93 gas run), possibly ported everything? , header, TP, and CBE, yet like 20-30 more than anyone else on average (talking about the 93 SAE run). Either you tune what others can't or if you did port, it opened up a world of extra power. Or possibly both. What am I missing?

PS I can't find a flaw like from most tuners/manufactures so hats off to you.


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