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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

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Old 04-28-2014, 05:26 PM   #1 (permalink)
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Default 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.


357rwhp on E85



Here's a comparison to a stock Nismo 370Z we previously dynoed.



Stock Vs Pump Vs E85


Video
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Old 04-28-2014, 05:29 PM   #2 (permalink)
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Great job Rob!
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Old 04-28-2014, 05:32 PM   #3 (permalink)
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What were the run conditions and the actual correction factor value(s) for those runs?

On that note, what are the values for SAE?
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Old 04-28-2014, 05:47 PM   #4 (permalink)
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What were the run conditions and the actual correction factor value(s) for those runs?

On that note, what are the values for SAE?


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Old 04-28-2014, 05:55 PM   #5 (permalink)
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Baseline 272
tuned 340 (93octane)
only a gain of 68whp with tuned VVEL and a secret mod ?
hehe

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.
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Old 04-28-2014, 06:00 PM   #6 (permalink)
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Baseline 272
tuned 340 (93octane)
only a gain of 68whp with tuned VVEL and a secret mod ?
hehe

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.
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Old 04-28-2014, 06:05 PM   #7 (permalink)
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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.
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Old 04-28-2014, 06:08 PM   #8 (permalink)
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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.
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Old 04-28-2014, 06:14 PM   #9 (permalink)
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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.
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Old 04-28-2014, 06:17 PM   #10 (permalink)
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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.
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Old 04-28-2014, 06:19 PM   #11 (permalink)
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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
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Old 04-28-2014, 06:24 PM   #12 (permalink)
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Originally Posted by Rob@TSM View Post
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
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Old 04-28-2014, 06:52 PM   #13 (permalink)
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Impressive, Rob!
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Old 04-28-2014, 11:27 PM   #14 (permalink)
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Is that a 350Z exhaust?

Specifically, EXPREME?
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Old 04-29-2014, 02:42 AM   #15 (permalink)
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Will you not give deets on the mods? Kinda vague if someone wants to duplicate.

From what I see its a intake (modded ?), 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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