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GTM Performance Engineering: VQ37VHR Twin Supercharger System

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Old 04-18-2013, 06:59 PM   #1 (permalink)
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Very very nice
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Old 04-19-2013, 03:54 PM   #2 (permalink)
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More engine pron please!









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Old 04-19-2013, 04:07 PM   #3 (permalink)
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That is one sweet looking setup. It seems like they've pretty much got everything all buttoned up. I can only imagine your excitement.
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Old 04-19-2013, 04:12 PM   #4 (permalink)
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Not quite. The radiator, oil cooler, clutch, flywheel, M370 manifold and the brake upgrades. These will probably happen later after documentation.
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Old 04-19-2013, 07:14 PM   #5 (permalink)
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Very nice!!! I'm going to have to make a trip to LV when you get back and check it out first hand. If all goes as planned I might have my TT install completed and I'll show you mine if you show me yours!!!
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Old 05-08-2013, 12:53 PM   #6 (permalink)
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Made a Japanese Domestic Market car?
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Old 05-08-2013, 01:06 PM   #7 (permalink)
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I mean wouldn't it be easier to ask if the nismo frame brace kit and lateral strut fit or need to be removed?





I'm sure the lateral stabilizer will be fine, as most just flip it when installing oil coolers.
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Old 05-13-2013, 11:31 AM   #8 (permalink)
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Ok, if you consider a built motor as a "supporting mod", then you're too low on costs. You can put the kit on and build the motor later, if you even need to at all. The car can easily handle 500 whp without a built motor. You may find that's enough in this car. The jury's out on the twin sc kit, but in general sc is not the correct path for an all-out big power build. Install it yourself and have someone else tune it. It'll come with a canned tune that's very good. 4.08 gears on a FI build will convert the power into tire smoke, not forward momentum. There's a 3.3 rear end if you're going for 600whp+.
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Old 05-13-2013, 12:32 PM   #9 (permalink)
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i HATE to mention this in a gtm thread "sorry sam" but would it be a better idea to go with the fast intentions TT? ive never seen turbo numbers like that before, its making 450RWHP at 3k rpm!!! WTF. i thought the low rpm range was supercharger territory lol. 10psi, 550 hp, 485 tq......... thats absolutely insane. if they can get the fuel issue worked out, which i would guess just cant keep up with how quickly the car needs it, not pressure, VOLUME. you can put more pressure on a small pipe to flow more, but will still have pressure drop if the demand exceeds the delivery. increased pressure doesnt linearly equate to higher volume of gas when using a mechanical pump. the kits 9 grand..... thats cheaper than the TSC, and MAN is it clean. all you can even see from under the hood is the intakes, and to an untrained eye that would just look like you had some retarded long tube CA intakes on it. cant even see the damn intercooler unless you look straight through the front of the car, its about as hidden as the oil cooler lol.

your not the first to say that this car can hold 500+ stock..... im starting to believe it. also, random question since ive mentioned so many mods...... does anyone sell a CF driveshaft for the 370? i took the one on my old 09 off for various reasons i wont disclose..... and dear GOD its heavy. and ive even heard rumors that its actually partially carbon fiber ALREADY? really? i dont remember CF weighing a million pounds.
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Old 05-13-2013, 12:46 PM   #10 (permalink)
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Originally Posted by chii370 View Post

your not the first to say that this car can hold 500+ stock..... im starting to believe it. also, random question since ive mentioned so many mods...... does anyone sell a CF driveshaft for the 370? i took the one on my old 09 off for various reasons i wont disclose..... and dear GOD its heavy. and ive even heard rumors that its actually partially carbon fiber ALREADY? really? i dont remember CF weighing a million pounds.
I won't get into the turbo manufacturer debate, because it's been beat to death in countless threads. You will find all you need to know there without hijacking a GTM thread.

500-550 is the norm on stock internals. Some have pushed 550-600 reliably.

The driveshaft is a composite (that contains some carbon fiber material), not full CF.
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Old 05-14-2013, 12:36 PM   #11 (permalink)
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Quote:
Originally Posted by chii370 View Post
i HATE to mention this in a gtm thread "sorry sam" but would it be a better idea to go with the fast intentions TT? ive never seen turbo numbers like that before, its making 450RWHP at 3k rpm!!! WTF. i thought the low rpm range was supercharger territory lol. 10psi, 550 hp, 485 tq......... thats absolutely insane. if they can get the fuel issue worked out, which i would guess just cant keep up with how quickly the car needs it, not pressure, VOLUME. you can put more pressure on a small pipe to flow more, but will still have pressure drop if the demand exceeds the delivery. increased pressure doesnt linearly equate to higher volume of gas when using a mechanical pump. the kits 9 grand..... thats cheaper than the TSC, and MAN is it clean. all you can even see from under the hood is the intakes, and to an untrained eye that would just look like you had some retarded long tube CA intakes on it. cant even see the damn intercooler unless you look straight through the front of the car, its about as hidden as the oil cooler lol.

your not the first to say that this car can hold 500+ stock..... im starting to believe it. also, random question since ive mentioned so many mods...... does anyone sell a CF driveshaft for the 370? i took the one on my old 09 off for various reasons i wont disclose..... and dear GOD its heavy. and ive even heard rumors that its actually partially carbon fiber ALREADY? really? i dont remember CF weighing a million pounds.

Ok Chii370 the Fast Intentions turbo kit does not make 450 whp @ 3.5k it makes 450 tq @ 3.5K. This is very impressive number and it is a very nice kit with some very solid numbers. I also would like to point out if your doing a build engine on a 370z you wont be doing cams our cars don't have any intake cams we have VVEL here is a link Nissan 370Z / G37 VQ37 VVEL camless intake valve system - YouTube There are only exhaust cam's from Jun that are not proven on a Boosted car I wouldn't even bother.


If you want low end TQ and power just go TT and be done with it built your motor and be done with it. I am still 3.7 with my built motor and I will be going for more power over the summer take at my charts for reference.
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Old 05-14-2013, 10:32 PM   #12 (permalink)
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i agree, fully.... and i would LOVE to see the same numbers as you are, and i know what is required for the most part to do so. Thing is, putting 600 RWHP in a stock VQ will diminish the life span by a multiple of probably close to 100. i SERIOUSLY doubt even with simple day to day driving, not beating on it, that it would last much longer than 20-30k before it sends an important part of the engine into the road, through your hood, or into your dash. so a big thing for me is longevity. thats one reason why i have pretty high hopes for the TSC kit, from what ive HEARD superchargers are usually less "harmful" overall to your system in the long haul, due to typically lower boost pressures and various other things. i could be wrong, but thats what ive gathered. but i mentioned the FI kit because it was the first TT developed for the 370 so far that has seen numbers even close to that at such a low boost, and it also has the simplest plumbing setup ive seen as well. less complicated=good imo. considering the fact all of the parts will be installed by me, less is best.
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Old 05-14-2013, 10:36 PM   #13 (permalink)
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also misread the dyno chart, my B. but anyway 450tq, thats even better lol.... tq=useable power converted to energy from the engine. not just magic equation numbers.
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Old 05-13-2013, 12:44 PM   #14 (permalink)
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All of the 370 sc kits are centrifugal, so they're going to shine in higher rpm. It's not a roots blower. There are a lot of guys running 500whp with no issues. It's all in the tune. Yes, the driveshaft is composite already. No need for the cf driveshaft.
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Old 05-13-2013, 01:25 PM   #15 (permalink)
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Man oh man where do I begin... Read Z owners! There are cheaper ways to make power. The Stage 2 SC is the cheaper way if you are supercharging. I bought this because the long tube header clearance issues with a low mounted SC. If you are running stock or shorties, there are cheaper ways. Remember GTM sells their Garret TT kits and the MHI kit. No need to ask about a competing vendor on this thread. Chili, unless you plan on pushing serious power, you don't need a built motor. If you are looking for torque, go TT's, if you are looking for response, get a SC unless you don't mind waiting for the half second it takes (maybe less) for the turbos to spin. If you are looking for instant torque and response, sorry, there is no twin screw or roots blower options here.
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