wow your progess goes forward quite quickly to compare with GTM !!!
I wish you good luck with the actual dyno testing ! hopping to see some actual gain on a NA application if there is, count me in for the setup ! |
...never underestimate German Engineering. Looks awesome! I want one!
I'm in like Flynn. |
Do want!
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Amazing work... as much as I'd like to keep my plenum, I'm still letting it go :/
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Awesome!
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Just like Vince the ShamWow guy says ... The Germans Always Make Good Stuff!
ShamWow Song (Lyrics from Vince Offer) - YouTube |
Subscribed! Looks good so far!
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:happydance: sub'd
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Looking good bro, sub'd!
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Looks great!
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subbedddddddddd
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Excellent! Keep up the good work!
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here are the final pictures - production of the prototype will start beginning next week !
http://fbcdn-sphotos-a.akamaihd.net/...77959735_n.jpg http://fbcdn-sphotos-a.akamaihd.net/...62376795_n.jpg http://fbcdn-sphotos-a.akamaihd.net/...82073487_n.jpg http://fbcdn-sphotos-a.akamaihd.net/...51230507_n.jpg http://fbcdn-sphotos-a.akamaihd.net/...01976190_n.jpg Chris |
Awesome :)
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Very nicely done
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Looking good chris! cant wait to see the prototype model! keep it up bro :)
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the kit I can offer if everything works will consist of the following parts:
- GT-R plenum lower intake manifold adapter (as shown in the pictures) - 2x 12mm custom fuel rails for stock or aftermarket injectors - 1x OEM Nissan gasket for GT-R plenum - 2x OEM Nissan gasket for 370Z head2lower_manifold - all hardware needed like washers, nuts and bolts optional parts: if you want to keep the stock fuel system: - adapter from the factory FPR to a Y-outlet block with 2x -6AN outlets - 2x braided teflon fuel lines to each fuel rail with -6AN connectors if you want to upgrade to a return system you can route two separate fuel lines to each fuel rail. On the firewall side of the fuel rail there is a -6AN plug which can be removed to convert to a true dual feed rail setup. additional optional parts: - OEM Nissan GT-R R35 upper plenum we can even supply larger fuel rails with 15mm or 17mm if anybody wants to run very large injectors and needs it ! for pricing etc. I cannot say yet as I want to finish the prototype and dyno testing first and then have to calculate to cost per unit based on how many of you are interested in this special upgrade. Chris |
sweeeeeeeeeeeet
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I agree, comparing tuned before and tuned after is the best scenario for showing a part's true gains.
For example many air intakes see gains by leaning out an overly rich AFR, which they can control by their MAF tube diameter. An optimal tune would also typically lean out the AFR the same or similar amount. If you compare tuned vs tuned the results are not always quite as impressive. Oh, and nice work ChrisUR. Keep it up! |
Ipressive progress to say the least. Keep up the good work!
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Simply amazing. Don't forget the need for new MAF tubes. I'm not sure how it will all fit.
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subscribed.
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Holy!! I'm in!!
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Any offers for my GT-R intake plenum and engine cover? It's boxed up and ready to ship. Priorities changed, so I won't be able to take on this project.
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My car is currently not ECU-tuned - it has been dynoed with the stock manifold and my other mods (exhaust, CAI, NST Pulleys) then will be dynoed with the GTR plenum conversion.
I think for most people its interesting how mods can perform just with the OEM Nissan tune, so you can have real bolt-on performance. Of course I have read the articles in DSPORT where they tested the M370 manifold and found out that a ECU tune is vital to at least restore stock peak performance and have gains in the RPM band. Depending on how the conversion performs with the stock tune I will then maybe do a custom tune for the manifold to see whats really possible on a NA car if you max out possibilities. I will report about every step and result in detail when we start testing. Chris |
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if it requires a tune to make power, than that means it didnt make power.
these cars are MAF based. any changes in airflow will be detected and compensated for. |
great design work ChrisUR... i am very very curious to see if there are any gains using the GTR plenum with your lower runner section.
What methods do you plan to use to manufacture this? I would assume billet cylinder head flanges and billet top flange with fabricated tubing inbetween? |
also, care to share what your runner length within your part is? i have a VHR part and a GTR plenum here so I can compare overall runner length
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we tried to make the runners as short as possible, but you have to have a certain height of the top flange to make the GTR plenum fit above the valve covers, so the runner lenghts is quite determined by technical limitations.
everything will be made out of aircraft aluminum to save weight. According to the CAD design program the whole part will be around 2.3kg / 5pounds so its slightly more than the stock cast lower manifold. You are absolutely right, my primary goal is always to achieve performance gains with the stock tune and the ECU re-calibration itself for the higher air flow. As it is proven to work with e.g. the STILLEN Gen3 this should also work with a better intake manifold design - first dyno tests will show :-) Chris |
Not by any means to be a naysayer but with all the time and development you are spending to make a OEM part fit a different car, why not just fabricate a higher flow manifold to utilize the stock components like fuel system and MAF? Wouldn't that simply things and perhaps save some design cost?
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Because GTR FTMFTW!!!! |
will the stock throttle bodies still work with the GTR intake manifold?
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of course we could have designed a completely new manifold - but the challenge was to make GT-R fit. So many people in this forum were talking about this conversion for years and my dream was to finally make this happen. @indyn yes, the stock throttle bodies are exactly the same with GTR and 370Z - you can simply bolt them on, all cables and hoses will fit. |
I know its still very early in the development and production of this, but for all those wondering if their wallets can support this... has there been any talk about pricing yet? Or has that even been thought of. Not looking for something exact of course, but maybe a ballpark figure just so people can think about their finances because there is obviously a high demand for this part right now. And it will only grow once it's released, bolted on, and looks and performs miraculously. :tup:
Just trying to get a guesstimate... Are we talking $1k, $2k, $3k range? |
I am very curious as well. I turned down the Motordyne manifold because it was not really necessary for my Greddy build, but this one is a want item!
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