VQ35HR Intake Manifold
03-23-2016, 06:10 AM
#121
My upper isn't powder coated, but bought used for $350. Probably wont get a cover, although I like them.
The benefit to the RJM is the fuel rails which include the radium damper.
For me, the RJM was only $300 difference, a drop in the bucket on the totality of my parts for a 4 digit build, and I think the difference can be negligable depending on how much you can get your GTR upper for. The plus side to RJM is it is billet so it will probably have lower heat temps, but the runners are also enlarged for better gains. The other thing I saw is, is Gamma really selling their fuel rails for $1200??
RJM is $399 with a radium fuel damper. CJMs is the same but without the fuel damper, so that seems to be a better deal from RJM atleast. I like your Gamma, but with all the issues I had with GTM, me personally I wouldnt take the chance, looks like it paid off for you though.
I'm good with either one, although, Im curious to know how much wider the runners are from the gamma to the RJM.
03-23-2016, 07:29 AM
#123
I heard the only reason you would need radium pulse dampers is if have a return less fuel system. If you have I fuel return system then there is no need.... But who knows that's what they told me.
My upper isn't powder coated, but bought used for $350. Probably wont get a cover, although I like them.
The benefit to the RJM is the fuel rails which include the radium damper.
For me, the RJM was only $300 difference, a drop in the bucket on the totality of my parts for a 4 digit build, and I think the difference can be negligable depending on how much you can get your GTR upper for. The plus side to RJM is it is billet so it will probably have lower heat temps, but the runners are also enlarged for better gains. The other thing I saw is, is Gamma really selling their fuel rails for $1200?? RJM is $399 with a radium fuel damper. CJMs is the same but without the fuel damper, so that seems to be a better deal from RJM atleast.
I like your Gamma, but with all the issues I had with GTM, me personally I wouldnt take the chance, looks like it paid off for you though.
I'm good with either one, although, Im curious to know how much wider the runners are from the gamma to the RJM.
The benefit to the RJM is the fuel rails which include the radium damper.
For me, the RJM was only $300 difference, a drop in the bucket on the totality of my parts for a 4 digit build, and I think the difference can be negligable depending on how much you can get your GTR upper for. The plus side to RJM is it is billet so it will probably have lower heat temps, but the runners are also enlarged for better gains. The other thing I saw is, is Gamma really selling their fuel rails for $1200??
RJM is $399 with a radium fuel damper. CJMs is the same but without the fuel damper, so that seems to be a better deal from RJM atleast. I like your Gamma, but with all the issues I had with GTM, me personally I wouldnt take the chance, looks like it paid off for you though.
I'm good with either one, although, Im curious to know how much wider the runners are from the gamma to the RJM.
03-23-2016, 02:16 PM
#124
Currently Full Bolt on E85 NA. Trying to see how much I can get out of it before installing my kit.
Last edited by John_B; 03-23-2016 at 02:18 PM.
03-23-2016, 04:47 PM
#125
Registered User
The thing about RJM that people need to understand is it can be worth it depending on how high of HP you go, because it allows you to run aftermarket GTR manifolds. Some of those manifolds have top mount secondary fuel rail locations, which you'll need for certain power.
Exactly whos car is this? I dont think anyone has blown up the stock manifold, but would love to be corrected.
03-23-2016, 04:49 PM
#126
Registered User
CJM Rails have had dampers for years. Possibly the first billet rails to integrate on-board dampers. But they dont fit with the GT-R manifold conversion anyway, so it doesnt matter.
03-28-2016, 07:11 AM
#128
This is speculation. The stock GT-R manifold barely fits with these LIM conversions. The much larger aftermarket GT-R manifolds are very unlikely to fit, specifically in the oil cap area.
Ive received top secret photos from RJM, from everything Ive received, everthing fits very well. The oil cap is very close, but it comes with a billet oil cap to accommodate.
Exactly whos car is this? I dont think anyone has blown up the stock manifold, but would love to be corrected.
Not sure I'm able to disclose this information yet.
It is a 370z shop car that is testing many of the prototype RJM products.
Made north of 1140whp and then 1400whp on high boost and many custom parts including RJMs closed deck block.
The manifold blew on the 1400whp dyno run, tires spinning.
Ive received top secret photos from RJM, from everything Ive received, everthing fits very well. The oil cap is very close, but it comes with a billet oil cap to accommodate.
Exactly whos car is this? I dont think anyone has blown up the stock manifold, but would love to be corrected.
Not sure I'm able to disclose this information yet.
It is a 370z shop car that is testing many of the prototype RJM products.
Made north of 1140whp and then 1400whp on high boost and many custom parts including RJMs closed deck block.
The manifold blew on the 1400whp dyno run, tires spinning.
See replies
Yep
03-28-2016, 08:02 AM
#129
Registered User
03-30-2016, 06:42 AM
#132
They are not releasing numbers yet to the public because of testing. But Ive been in contact with both the shop owner and RJM owner as well as a few people who are in on the know and arent at liberty to say yet. My assumption is some of this was in the testing phase and they want to make sure its doing what it was intended to do before they release a lot of info.
Here is another reason they havent released dyno info, because the graph was jacked due to no traction. Probably not anymore
03-30-2016, 07:42 AM
#133
I don't know about all this testing crap going on, if people buy their product they are either rich and could care less about money or just plain stupid. Wow it's made out of some strong billet material Who the hell cares!!!! GTRs do t have problems with their OEM one going over 1400whp, all the change is the actual intake manifold because the OEM one is know to blow at over 1400whp. Never heard of a problem with the lower plenum before..... 
so in my honest opinion people only need the lower plenum that's it! since they want to make their investment money back quick by trying to find gullible people to pay $2000+ for their lower plenum, I say just buy the Gamma Motors Lower plenum and call it a day. Save yourself some freaking cash. My .02 cents
so in my honest opinion people only need the lower plenum that's it! since they want to make their investment money back quick by trying to find gullible people to pay $2000+ for their lower plenum, I say just buy the Gamma Motors Lower plenum and call it a day. Save yourself some freaking cash. My .02 cents
03-30-2016, 08:51 AM
#134
I'll never buy Gamma again because my TT kit fit like *** and we had to put $$$$ into it to make it right.
But pricing is only a few hundred bucks different.
I learned my lesson, pay a little more and stay away from GTM companies.
Yours seems to have worked out fine after cutting the valve covers up. (Who knew another product wouldnt fit) I'm not willing to take the chance on them anymore.
The RJM lower has enlarged runners and billet material which will have lower heat temps than cast material. He's put some engineering into it to get these things like this.
idk, its just a few hundred bucks difference, pennies compared to a decent build, plus they have every bolt and gasket fit to OEM specs including rails, I think its an OK deal considering the cost. At least someone is doing something on a larger scale besides GTM get.that.money.
I'd think people would be less app to rip on companies looking to develop these types of products for our line, seeing our options are **** on this platform.
But pricing is only a few hundred bucks different.
I learned my lesson, pay a little more and stay away from GTM companies.
Yours seems to have worked out fine after cutting the valve covers up. (Who knew another product wouldnt fit) I'm not willing to take the chance on them anymore.
The RJM lower has enlarged runners and billet material which will have lower heat temps than cast material. He's put some engineering into it to get these things like this.
idk, its just a few hundred bucks difference, pennies compared to a decent build, plus they have every bolt and gasket fit to OEM specs including rails, I think its an OK deal considering the cost. At least someone is doing something on a larger scale besides GTM get.that.money.
I'd think people would be less app to rip on companies looking to develop these types of products for our line, seeing our options are **** on this platform.
03-30-2016, 10:09 AM
#135
Client #1 Nismo350z#0310
Good luck brother.
I just got off the phone with JMS and they aren't having any problems at all installing this thing on there. won't know until you try it... 
life is good.
Good luck brother.
I just got off the phone with JMS and they aren't having any problems at all installing this thing on there.
won't know until you try it... life is good.I'll never buy Gamma again because my TT kit fit like *** and we had to put $$$$ into it to make it right.
But pricing is only a few hundred bucks different.
I learned my lesson, pay a little more and stay away from GTM companies.
Yours seems to have worked out fine after cutting the valve covers up. (Who knew another product wouldnt fit) I'm not willing to take the chance on them anymore.
The RJM lower has enlarged runners and billet material which will have lower heat temps than cast material. He's put some engineering into it to get these things like this.
idk, its just a few hundred bucks difference, pennies compared to a decent build, plus they have every bolt and gasket fit to OEM specs including rails, I think its an OK deal considering the cost. At least someone is doing something on a larger scale besides GTM get.that.money.
I'd think people would be less app to rip on companies looking to develop these types of products for our line, seeing our options are **** on this platform.
But pricing is only a few hundred bucks different.
I learned my lesson, pay a little more and stay away from GTM companies.
Yours seems to have worked out fine after cutting the valve covers up. (Who knew another product wouldnt fit) I'm not willing to take the chance on them anymore.
The RJM lower has enlarged runners and billet material which will have lower heat temps than cast material. He's put some engineering into it to get these things like this.
idk, its just a few hundred bucks difference, pennies compared to a decent build, plus they have every bolt and gasket fit to OEM specs including rails, I think its an OK deal considering the cost. At least someone is doing something on a larger scale besides GTM get.that.money.
I'd think people would be less app to rip on companies looking to develop these types of products for our line, seeing our options are **** on this platform.
03-31-2016, 06:28 AM
#136
Bobby posted another RJM post on the finished product kit and man, you've go so many people in there bitching about little random things. Like gaskets and a $26 billet oil cap made to fit.
That's the reason this platform doesnt have nice things. Those people in there.
Like really?? People have been begging for years and this guy makes a billet lower for GTR conversion and you have people complaining over a few bucks for gaskets...you need to buy anyways... and a $26 dollar...oil cap...
26 dollars....
Thank God I'm getting some good parts before companies say to hell with this platform
That's the reason this platform doesnt have nice things. Those people in there.
Like really?? People have been begging for years and this guy makes a billet lower for GTR conversion and you have people complaining over a few bucks for gaskets...you need to buy anyways... and a $26 dollar...oil cap...
26 dollars....
Thank God I'm getting some good parts before companies say to hell with this platform
03-31-2016, 06:56 AM
#137
I think people are complaining about the oil cap because it's ugly AF!!! I don't Care about money that comes and goes. I argue about their price point, because they use Billet material 
crazy! They want to be competitive.... There is no comp. for $2000 I rather buy AAM new intake manifold and just because I noticed it right now RJM deleted all my comments because I make a point people are asking the right questions now.... �� And the reason that this platform does not have many people making new parts for it is because most of the people who own 350Zs can't afford parts that expensive why do they just make parts for GTRs? Because to buy a GTR I need Bank Bro and someone who has Bank will invest in their GTR, same thing goes for Supras, Lambos, ferraris ect... You get he point.
crazy! They want to be competitive.... There is no comp. for $2000 I rather buy AAM new intake manifold and just because I noticed it right now RJM deleted all my comments because I make a point people are asking the right questions now.... �� And the reason that this platform does not have many people making new parts for it is because most of the people who own 350Zs can't afford parts that expensive why do they just make parts for GTRs? Because to buy a GTR I need Bank Bro and someone who has Bank will invest in their GTR, same thing goes for Supras, Lambos, ferraris ect... You get he point. Bobby posted another RJM post on the finished product kit and man, you've go so many people in there bitching about little random things. Like gaskets and a $26 billet oil cap made to fit.
That's the reason this platform doesnt have nice things. Those people in there.
Like really?? People have been begging for years and this guy makes a billet lower for GTR conversion and you have people complaining over a few bucks for gaskets...you need to buy anyways... and a $26 dollar...oil cap...
26 dollars....
Thank God I'm getting some good parts before companies say to hell with this platform
That's the reason this platform doesnt have nice things. Those people in there.
Like really?? People have been begging for years and this guy makes a billet lower for GTR conversion and you have people complaining over a few bucks for gaskets...you need to buy anyways... and a $26 dollar...oil cap...
26 dollars....
Thank God I'm getting some good parts before companies say to hell with this platform
Last edited by MM'08_350Z; 03-31-2016 at 07:14 AM.
03-31-2016, 08:15 PM
#138
Registered User
They are not releasing numbers yet to the public because of testing. But Ive been in contact with both the shop owner and RJM owner as well as a few people who are in on the know and arent at liberty to say yet. My assumption is some of this was in the testing phase and they want to make sure its doing what it was intended to do before they release a lot of info.
Here is another reason they havent released dyno info, because the graph was jacked due to no traction. Probably not anymore
Here is another reason they havent released dyno info, because the graph was jacked due to no traction. Probably not anymore
Last edited by phunk2; 03-31-2016 at 08:19 PM.
04-01-2016, 04:25 AM
#139
We dont have anything but BBR's word, but the car is suppose to be going on the dyno next weekend and he's making a video
I was told dyno's werent being shared because the graph was all jacked up and now that he's got his slicks and custom fuel pump they are doing a video. idk we'll see. Im skeptical and waiting as well.
Last edited by Nismo350z#0310; 04-01-2016 at 04:34 AM.
