RJ MFG Supercharger kit Feeler...

jabo5779 · 12-15-2016, 10:41 AM

So if everyone voted "I don't want a supercharger", then they should have just given up then?

They explained that they wanted a challenge. Kudos to them for trailblazing. They have not ruled out doing two kits either.

I wouldn't knock them for not following the poll results. For how small of a sample size that is, that poll is worthless to them. It is just proof of interest, and both kits have enough interest at this point.

Chuck33079 · 12-15-2016, 10:44 AM

Plus, there are other centrifugal options on the market. There's no positive displacement option.

theDreamer · 12-15-2016, 10:54 AM

Quote:

Originally Posted by Chuck33079

Plus, there are other centrifugal options on the market. There's no positive displacement option.

Correct, if you want a Rotrex kit Gamma is still selling them (thought a bit higher price than GTM but they do ship & fulfill orders).

bcfromfl · 12-15-2016, 10:55 AM

Quote:

Originally Posted by Chuck33079

Plus, there are other centrifugal options on the market. There's no positive displacement option.

In another thread, I was told that Stillen was basically the only choice...that the Rotrex kits were (even post-GTM) sold by questionable sellers. As everyone knows, Stillen requires extensive add-ons and tuning to make it safe.

I hope that RJ goes with another kit, but that would require double the R&D. Are they really going to invest that much into a niche market anyway?

RJ MFG · 12-15-2016, 02:41 PM

First let me state that we will be looking to do a CARB kit with aftermarket injectors. As stated earlier we will need to use the shortest injectors possible (not the same length as stock) as well as integrated fuel rails in order to fit the largest intercooler core possible.

Secondly, the poll was a way for us to gauge interest in another kit on the market. the choice was and is ultimately ours to make. There are more factors than just the number of votes on the poll in the forum. we have received calls and messages from outside the forum in support of the kit including some shops. Also the count is separated by 6 votes at this time and isn't that far off. So as it stands we will be doing the whipple kit first and if people still want to see a rotrex kit we will look at doing one of those as well. But I will say this. You guys aren't going to want a rotrex after this is launched

Thirdly, We have already started skinning a 350z HR hood onto a 370z hood as a fall back in case the unit looks like it wont fit. Also on another note we have designed a GT style hood that already has some of our employees thinking of selling their hoods for it. What we have designed is going to really impress a lot of you guys. Also remember we focus on quality parts and our prices reflect that. So keep that in mind if we have these hoods made they will be top notch and oem fitment.

As for those questioning our R&D costs and what we are investing into it is a business decision that the owner and partners have looked into and want to make. Trust us your gonna want this kit if your in the market for a SC'er, a stage 1 turbo kit and some stage 2 turbo kits... Also at the price point we are projecting your wallets are going to want it too. But there is a down side... your gonna be buying tires like a mother... hahaha

lj909 · 12-15-2016, 03:40 PM

You'll probably need a CA test vehicle for your carb cert. Keep me in mind when the time comes!

Senna-F1 · 12-15-2016, 07:33 PM

I found this to be an interesting video on designing a kit.

https://youtu.be/X6pKKZ_piw8

lj909 · 12-15-2016, 07:55 PM

That's a sweet manifold! Double heat exchangers and a twin screw all built in! Nice.

bullitt5897 · 12-15-2016, 08:20 PM

Harrop makes some good stuff sadly we can't invert the blower setup like the flat 4. Since we have a 60* motor space is extremely limited and after working with Bobby on some design ideas omg I am excited! There is a lot of new technology going into this kit. They have truly taken to heart the idea of making an innovative kit! The intercooler setup itself is insane using some great technology from mocal. Everything is being looked at from serviceability to performance! We are in for a major treat! I want to buy another Z just to build one of these myself!!!

shadow85 · 12-16-2016, 02:04 AM

Great the more I read this thread the more I want to wait for this kit. Oh BTW, RJM not sure if you answered this already but will you make a RHD compatible kit.

If you have a definite answer on that I will wait for this kit!

bullitt5897 · 12-16-2016, 11:09 AM

Quote:

Originally Posted by shadow85

Great the more I read this thread the more I want to wait for this kit. Oh BTW, RJM not sure if you answered this already but will you make a RHD compatible kit.

If you have a definite answer on that I will wait for this kit!

By it's very nature it will be rhd compatible as well as awd.

Jordo! · 12-16-2016, 04:24 PM

Roots or twin screw blower all the way. A2W IC with a nice big pump and double pass HE -- A2A is never going to cool as well as water, unless you are just doing constant laps.

I take it this would have a clutch style engagement set by TPS or would a bypass work with our TB's?

Either way, anyone enticed by the top end of a centrifugal blower or a turbo, keep in mind, if you want near instant pin-you-to-your-seat torque, you either need a bigger engine, properly sized twin turbo (will still lag), or a cut your hood Max Max style PD SC.

Are there any hoods out there with a bulge for a SC that would work? The 350Z hood for the Stillen SC maybe?

TopgunZ · 12-17-2016, 07:29 AM

We won't go into water vs air being better, but any and all pd blowers have to be water.

bullitt5897 · 12-17-2016, 08:59 AM

Guys no need for that here. RJ MFG is doing A2W with either a double or triple pass heat exchanger.

lj909 · 12-17-2016, 08:38 PM

3.7+2.3=6.0

Lol

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

12-15-2016, 10:41 AM	#1 (permalink)
jabo5779 Base Member Join Date: Nov 2014 Location: Baltimore Posts: 73 Drives: 2014 BP Turbo 370z Rep Power: 11	So if everyone voted "I don't want a supercharger", then they should have just given up then? They explained that they wanted a challenge. Kudos to them for trailblazing. They have not ruled out doing two kits either. I wouldn't knock them for not following the poll results. For how small of a sample size that is, that poll is worthless to them. It is just proof of interest, and both kits have enough interest at this point. ZoomZ likes this.

12-15-2016, 10:44 AM	#2 (permalink)
Chuck33079 A True Z Fanatic Join Date: Nov 2011 Location: Houston Posts: 12,265 Drives: 2011 370ztt Rep Power: 29539	Plus, there are other centrifugal options on the market. There's no positive displacement option. Jordo! likes this. __________________ 2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent

12-15-2016, 02:41 PM	#5 (permalink)
RJ MFG Enthusiast Member Join Date: May 2016 Location: Tampa, FL Posts: 253 Drives: 04 Nissan 350Z CS M6 Rep Power: 285	First let me state that we will be looking to do a CARB kit with aftermarket injectors. As stated earlier we will need to use the shortest injectors possible (not the same length as stock) as well as integrated fuel rails in order to fit the largest intercooler core possible. Secondly, the poll was a way for us to gauge interest in another kit on the market. the choice was and is ultimately ours to make. There are more factors than just the number of votes on the poll in the forum. we have received calls and messages from outside the forum in support of the kit including some shops. Also the count is separated by 6 votes at this time and isn't that far off. So as it stands we will be doing the whipple kit first and if people still want to see a rotrex kit we will look at doing one of those as well. But I will say this. You guys aren't going to want a rotrex after this is launched Thirdly, We have already started skinning a 350z HR hood onto a 370z hood as a fall back in case the unit looks like it wont fit. Also on another note we have designed a GT style hood that already has some of our employees thinking of selling their hoods for it. What we have designed is going to really impress a lot of you guys. Also remember we focus on quality parts and our prices reflect that. So keep that in mind if we have these hoods made they will be top notch and oem fitment. As for those questioning our R&D costs and what we are investing into it is a business decision that the owner and partners have looked into and want to make. Trust us your gonna want this kit if your in the market for a SC'er, a stage 1 turbo kit and some stage 2 turbo kits... Also at the price point we are projecting your wallets are going to want it too. But there is a down side... your gonna be buying tires like a mother... hahaha Stright_Drop, Silly Rabbit, lj909 and 1 others like this. __________________ Contact us: https://www.facebook.com/rjmllc/?fref=nf

12-15-2016, 03:40 PM	#6 (permalink)
lj909 Track Member Join Date: May 2014 Location: Riverside Posts: 584 Drives: 40th 370Z Rep Power: 13	You'll probably need a CA test vehicle for your carb cert. Keep me in mind when the time comes! __________________ PW 07 HR350Z R.I.P. Totaled by 82yr old woman 2010 40th Anniversary 370Z

12-15-2016, 07:33 PM	#7 (permalink)
Senna-F1 Enthusiast Member Join Date: Jun 2016 Location: Cary, NC Age: 54 Posts: 425 Drives: 370SC,EliseSC,MR2T Rep Power: 51	I found this to be an interesting video on designing a kit. https://youtu.be/X6pKKZ_piw8 nomodsjk likes this.

12-15-2016, 07:55 PM	#8 (permalink)
lj909 Track Member Join Date: May 2014 Location: Riverside Posts: 584 Drives: 40th 370Z Rep Power: 13	That's a sweet manifold! Double heat exchangers and a twin screw all built in! Nice. __________________ PW 07 HR350Z R.I.P. Totaled by 82yr old woman 2010 40th Anniversary 370Z

12-15-2016, 08:20 PM	#9 (permalink)
bullitt5897 Premium Member Join Date: Jan 2009 Location: North GA Posts: 6,831 Drives: Twin Turbo Z34 Rep Power: 3683	Harrop makes some good stuff sadly we can't invert the blower setup like the flat 4. Since we have a 60* motor space is extremely limited and after working with Bobby on some design ideas omg I am excited! There is a lot of new technology going into this kit. They have truly taken to heart the idea of making an innovative kit! The intercooler setup itself is insane using some great technology from mocal. Everything is being looked at from serviceability to performance! We are in for a major treat! I want to buy another Z just to build one of these myself!!! 370Zsteve and Senna-F1 like this. __________________ *Shop Cars: 2013 318whp Nismo VspecII 370z SOLD, 2009 1000hp+ 93oct 4.0L TT 370z Fast Intentions STAGE 4 #054*

12-16-2016, 02:04 AM	#10 (permalink)
shadow85 Track Member Join Date: Jul 2015 Location: South Australia, Austra Posts: 921 Drives: 15' 370Z A/T AMM TT Rep Power: 25	Great the more I read this thread the more I want to wait for this kit. Oh BTW, RJM not sure if you answered this already but will you make a RHD compatible kit. If you have a definite answer on that I will wait for this kit!

12-16-2016, 04:24 PM	#12 (permalink)
Jordo! A True Z Fanatic Join Date: May 2010 Location: nirvana Posts: 6,394 Drives: 2023 NATM Rep Power: 419	Roots or twin screw blower all the way. A2W IC with a nice big pump and double pass HE -- A2A is never going to cool as well as water, unless you are just doing constant laps. I take it this would have a clutch style engagement set by TPS or would a bypass work with our TB's? Either way, anyone enticed by the top end of a centrifugal blower or a turbo, keep in mind, if you want near instant pin-you-to-your-seat torque, you either need a bigger engine, properly sized twin turbo (will still lag), or a cut your hood Max Max style PD SC. Are there any hoods out there with a bulge for a SC that would work? The 350Z hood for the Stillen SC maybe? bullitt5897 likes this. __________________ Enjoy it. Destroy it.

12-17-2016, 07:29 AM	#13 (permalink)
TopgunZ A True Z Fanatic Join Date: Jun 2012 Location: Minneapolis Posts: 2,651 Drives: 06 350Z , 09 370Z MT Rep Power: 6835	We won't go into water vs air being better, but any and all pd blowers have to be water. __________________ ROTREX SUPERCHARGER TUNER KITS - $6799/ CUSTOM STILLEN AIR TO AIR KITS -$2100/ 700+ WHP!! WWW.TOPGUNSPEEDWORKS.COM Last edited by TopgunZ; 12-17-2016 at 12:37 PM.

12-17-2016, 08:59 AM	#14 (permalink)
bullitt5897 Premium Member Join Date: Jan 2009 Location: North GA Posts: 6,831 Drives: Twin Turbo Z34 Rep Power: 3683	Guys no need for that here. RJ MFG is doing A2W with either a double or triple pass heat exchanger. __________________ *Shop Cars: 2013 318whp Nismo VspecII 370z SOLD, 2009 1000hp+ 93oct 4.0L TT 370z Fast Intentions STAGE 4 #054*

12-17-2016, 08:38 PM	#15 (permalink)
lj909 Track Member Join Date: May 2014 Location: Riverside Posts: 584 Drives: 40th 370Z Rep Power: 13	3.7+2.3=6.0 Lol WillVHR and shadow85 like this. __________________ PW 07 HR350Z R.I.P. Totaled by 82yr old woman 2010 40th Anniversary 370Z

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