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RJ MFG Supercharger kit Feeler...

I know there is lots to work out but hopefully this screw blower can snap right on the G37 and Q50 too! I have been debating picking up a Q

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View Poll Results: What kind of Supercharger kit would you like us to make?
Rotrex C38 based system 54 23.79%
Vortech/Procharger Based Kit 40 17.62%
Whipple Positive Displacement Roots Kit 109 48.02%
I dont want a supercharger. 24 10.57%
Voters: 227. You may not vote on this poll

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Old 12-14-2016, 04:04 PM   #1 (permalink)
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I know there is lots to work out but hopefully this screw blower can snap right on the G37 and Q50 too! I have been debating picking up a Q in a few months and if I can put a big whipple on it that would seal the deal.
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Old 12-14-2016, 04:20 PM   #2 (permalink)
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Originally Posted by TopgunZ View Post
I know there is lots to work out but hopefully this screw blower can snap right on the G37 and Q50 too! I have been debating picking up a Q in a few months and if I can put a big whipple on it that would seal the deal.
Q is already a TT?
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Old 12-14-2016, 04:40 PM   #3 (permalink)
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Q is already a TT?
The 3.7 isn't.

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Old 12-14-2016, 04:49 PM   #4 (permalink)
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The nice thing about this setup is that no matter if your right hand drive or left hand drive or even a different platform. All (RWD/AWD) VQ35HR and VQ37VHR motors will be compatible with the kit.
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Old 12-14-2016, 04:59 PM   #5 (permalink)
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On another note we will be debuting the kit publicly at Zdayz 2017.

Over the next few months we will be developing the kit on our in house shop 370z. We will baseline the factory motor and then start with our stage 1 kit. We will start conservative on pulley and tune since this will be the first of its kind and we do not know the levels at which parts will begin to break. Luckily we have tons of motors on hand. We will document the weak points of our platform and build our kits accordingly. The stage 1 kit will be for the stock motor guys. The stage 2 will be for our built motor guys. one of the nice features is that you wont have to change the blower no matter your power levels... now we may look at a stage 3 based on a bigger blower setup but at that point we are talking 1000whp+ drag car...

In addition to this development we have already started at least 1 new hood design. There is another GT style hood that if needed will be made and we are sure people will be selling their hoods to buy it. The renderings look fantastic so far!!!
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Old 12-14-2016, 05:38 PM   #6 (permalink)
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If you're serious about the CARB kit you might want to see if you can get by with stock injectors. Don't worry about HP at that level, just pass smog. Put all the right parts in it (AtoA AIT etc.) and make upgradeable with injectors and a tune only. That way we wouldn't be buying injectors twice and we could buy the tuning stuff separately. Put back the smog tune when needed and then back to real HP. Personally, I'd be ok if you could keep it under 2 hours DIY to swap back and forth between HP and Smog. Over 4 hours gets into the pain threshold.

Been contemplating the engine swap route but that's way into the pain area. Not to mention storing the smog engine.
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Old 12-14-2016, 06:40 PM   #7 (permalink)
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Originally Posted by B&W_Evader View Post
If you're serious about the CARB kit you might want to see if you can get by with stock injectors. Don't worry about HP at that level, just pass smog. Put all the right parts in it (AtoA AIT etc.) and make upgradeable with injectors and a tune only. That way we wouldn't be buying injectors twice and we could buy the tuning stuff separately. Put back the smog tune when needed and then back to real HP. Personally, I'd be ok if you could keep it under 2 hours DIY to swap back and forth between HP and Smog. Over 4 hours gets into the pain threshold.

Been contemplating the engine swap route but that's way into the pain area. Not to mention storing the smog engine.
Dude, you can't go FI on stock injectors. No kit does this and is not a requirement of carb. Stillen has bigger injectors and is carb.

One of the main requirements of carb is that it be a complete turn key kit with tune and everything. It all has to be included to gain carb approval.

And 2 hours to install a full FI kit? Are you kidding?
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Old 12-15-2016, 01:34 PM   #8 (permalink)
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Dude, you can't go FI on stock injectors. No kit does this and is not a requirement of carb. Stillen has bigger injectors and is carb.

One of the main requirements of carb is that it be a complete turn key kit with tune and everything. It all has to be included to gain carb approval.

And 2 hours to install a full FI kit? Are you kidding?
Main point is to make the start kit cheaper and not make people buy stuff twice. Like a flash from RJM and then have to go buy uprev. Same with the injectors, if you keep the maps the same, no need to flash. This is just an intermediary step to allow the kit to pass smog. Then you get your tuning SW and injectors and get your HP. Remap the injectors for smog when you need it. That way you don't buy anything twice. You also then swap between smog and HP setup with just swapping tunes. You need to make the smog kit stand-alone so you can sell it as a CARB legal setup. Maybe you could do it where you do the above and swap a pulley. A pulley is cheap enough to buy twice. To get CARB I think you have to demonstrate reduced emissions.

And it's 2 hours to swap between SMOG and HP. A tune swap is a couple of seconds, a pulley swap should be doable in 2 hours.
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Old 12-16-2016, 02:32 AM   #9 (permalink)
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Quote:
Originally Posted by RJ MFG View Post
On another note we will be debuting the kit publicly at Zdayz 2017.

Over the next few months we will be developing the kit on our in house shop 370z. We will baseline the factory motor and then start with our stage 1 kit. We will start conservative on pulley and tune since this will be the first of its kind and we do not know the levels at which parts will begin to break. Luckily we have tons of motors on hand. We will document the weak points of our platform and build our kits accordingly. The stage 1 kit will be for the stock motor guys. The stage 2 will be for our built motor guys. one of the nice features is that you wont have to change the blower no matter your power levels... now we may look at a stage 3 based on a bigger blower setup but at that point we are talking 1000whp+ drag car...

In addition to this development we have already started at least 1 new hood design. There is another GT style hood that if needed will be made and we are sure people will be selling their hoods to buy it. The renderings look fantastic so far!!!
So you're saying this kit could be entered in the raffle drawing?
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Old 12-16-2016, 11:07 AM   #10 (permalink)
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So you're saying this kit could be entered in the raffle drawing?
Lol we can dream can't we! They gave away $2k worth of product last year. They will probably do something along the same lines this year most likely.
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Old 12-16-2016, 12:56 PM   #11 (permalink)
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So you're saying this kit could be entered in the raffle drawing?
We haven't decided on what will be in the raffle for 2017 but it will definitely be something you guys will want!
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Old 12-14-2016, 09:02 PM   #12 (permalink)
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Anyways

Do the 35HR platforms use the same lower plenum?
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Old 12-14-2016, 10:16 PM   #13 (permalink)
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Most aftermarket hoods I've seen don't have an OE fit. Gaps, corners sticking up too high, etc. I think I'd much rather modify a stock hood than pay for a new hood, plus shipping, removal, paint, install. Don't know how others feel, but just want to put that out there. Then again, I don't have the costs for each of these.
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Old 12-15-2016, 08:56 AM   #14 (permalink)
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I had the stillen hood on my 350Z that was needed for the blower and i loved it. Fit was perfect and it was super light. Even if you cut your stock hood you will need to do all the above. Removal, paint, install and yes even shipping unless the day you sell your car you sell it with all the parts on it and take a big hit. If you sell the kit you will want to sell the hood with it most likely then you will need a new hood again. To mod your oem hood you still have to take it off, cut it up, do some bondo/fiberglass work on it to get the scoop to look halfway decent and then repaint it all. Unless you plan on literally cutting a hole in it and having a snout stick out, which would look terrible. Even by adding a scoop it is going to look like crap/ricer as it wont blend with the car at all.
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Old 12-15-2016, 10:24 AM   #15 (permalink)
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The potential challenges about making a Whipple fit, begs the question: If RJ MFG set up a poll to help them decide which way to go, why didn't they go with the majority of the respondents? Not to take anything away from those who want the Whipple, but it certainly looks like a lot more involved to get one to fit...with questionable aesthetic results...than a kit with an OEM look. I think if the poll represented the whole potential SC market, rather than a thread that by its very nature attracted Whipple enthusiasts because of its suggestion, you'd see the results skewed even further towards Rotrex.

Sounds to me like RFG was going to go Whipple anyway, and just wanted to see how many others out there might be willing to purchase if they offered it.

Just sayin'...

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