Boosted Performance V 2.0 turbo list

jlo370z

Did some one say boost?


by this kit and be the envy of your neighborhood!

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❝The Jlo370Z Build❞
523HP | 455 ftb tq | 11.5 PSI | 93 Octane
2017 Porsche 991.2 C4!l

Boosted Performance

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750WHP starting @ $7,500 to the door
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equalme

So....how many of you all are still on stock clutch/flywheel?

jwick

I upgraded mine with the install. There is no way the stock clutch is going to standup to this level of torque. I'd be surprised if it makes it thru the dyno tuning.

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'10 G37T 6MT Graphite/Graphite - BP - G37T Build

Mitco39

I had mine at first, it would easily (and I mean easily) slip in 5th and 6th with the base tune. There is just no way the stock clutch would survive.

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2007 Chevy Duramax - EFILive Tuned By Me
2010 40th W/ Nav - Boosted Performance - UpRev Tuned By Me
The Mrs. Ride -2012 335XI N55 BMW - Cobb Tuned By Me, Built by her
My Build --> http://www.the370z.com/members-370z-...39s-build.html

javi370z

Sasha do u think a single 3 inch exhaust will be too much restriction on the turbo? And you still offer the y pipe for oem type exhaust right?

jwick

No and yes.

The downpipe is 3". If I remember correctly Sasha told me the 3" was good for 700hp.

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'10 G37T 6MT Graphite/Graphite - BP - G37T Build

javi370z

Awesome thanks jwick

zguynate

I found this article regarding a 3 inch vs 3.5 inch exhaust.
3-Inch Vs. 3.5-inch Exhaust Test - Tech - Modified Magazine

I thought about maybe having a custom 3.5 inch made after reading that. I have a single 3 inch, and I seem to be getting some lower numbers compared to the other guys with dual exhausts. At 11 psi, I am getting 509hp when dyno'd in 4th gear. Anyway, do you have any input Sasha? Or anyone else? I wont be doing this anytime soon as I have spent waaay too much money on the car this year lol. Needless to say I have a lot of rear end kissing to do with the wife lol.

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2009 370z touring w/sports package

jwick

I'll start with I'm no expert but a couple things to note. First off, of course you are going to get some gains by adding exit diameter cuz you are decreasing the friction loses. The 3" and 3.5" in the article you linked are not like for like comparisons. They don't list what type of muffler was original on it with the 3". Also you can see that the newly fabricated 3.5" is more of a straight shot with less bends in it. More bends equals more friction. Although they don't address it, I'd bet they lost torque going to the larger exhaust.

I wouldn't get carried away with the fact that you 'only' made 509whp. Your numbers aren't much different than any of the other cars running a BP kit. For ex: jlo made 52Xish whp at 11.5.psi, that's about spot on where you are for a 11psi max and he's running a FI exhaust.

And then you thrown in all dynos are different and all tuners tune differently with different goals.

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'10 G37T 6MT Graphite/Graphite - BP - G37T Build

javi370z

Jwick how much header wrap did you use for the manifold? I remember you posted it somewhere but can't find it.

jwick

I bought a 100' roll but I probably only used 60ish ft

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'10 G37T 6MT Graphite/Graphite - BP - G37T Build

javi370z

Awesome thanks

YzGyz

How much are you selling the rest for?

zguynate

I agree with you. And I also agree with Sasha. 3 inch is fine, but I feel like there could be more efficient power that can be had. The guys with dual exhaust don't seem to be having any issues with torque. I know dyno comparisons should be taken with a grain of salt due to all the different variances that you can have. Its not that I'm looking for x amount of power, Im just looking for the best setup as far as single exhaust goes. Idk if any of that makes sense lol.

But not to derail the thread! My car makes great power on a single exhaust and sounds awesome. The BP kit is more than suitable to turn you beloved 370z into a little monster! If you are having reservations on purchasing this kit, DONT! The price, simplicity, and incredible performance you get out of this kit is unbeatable. This is my dyno sheet on 11psi and in 5th gear:


Buy up gentlemen

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2009 370z touring w/sports package