What is the best way to go on my 04' g35 6mt? 1. replace the OEM plenum with the kinetix plenum. 2. Add 5/16 spacer. 3. Add 1/2 spacer. Keep in mind I am running a short ram intake and cat back at the moment and there is a very small chance I will go FI in the future. What is the best for HPGAINS/COST and what gains am I looking at with the different options. Thanks and marry xmass!!!

 

5/16's spacer from Motordyne and save your money by keeping your oem plenum.

 

so there is not enough difference in gains to justify replacing. good to know. I was also toying around with the idea of the kinetix velocity plenum along with runnng catless. I have read this combo produces good results. If I dont end up doing that the 5/16 spacer will be my next mod.

 

If your're gonna go catless, go with the art pipes.

http://www.motordyneengineering.com/...roducts_id=121

 

not trying to sound like a motordyne fanboy, but Tony's stuff works and is top notch quality.

 

For g35/350z I have herd nothing but good things about motodyne... my only reserve about there test pipe is the resonator. I like loud. Anything that prevents that kinda throws me. And if I do end up going spacer over replaceing motodyne will be the one I get. Does the motodyne test pipe come with the j bung for o2 sensor?

 

^ I'm not sure..you can shoot mortordyne a call for that one....or I'm sure someone will chime in and know.

 

Which motor dyne kit 5/16's ? I'm looking to get one to

 

The ISo one or regular

 

I suggest the 5/16s iso.

 

i agree with the 5/16 iso.. its what im purchasing to put on with my polished plenum.
its pretty tough to find someone talking bad about motordyne... nothing put positivity about em

 

from what i have herd the 5/16 iso is the best bet. so that is the one i am going to most likely get.

 

but the guy from my local shop is trying to talk me in to going FI. He says he can get me a good price on (Vortech® Tuner Kit w/V-2 SCi-Trim Supercharger & Charge Cooler, Satin) but then im looking at fuel system upgrade, full tune ect... so at that point might end up going with the Kinetix Velocity.

 

^ if you go FI, be prepared to spend $10-15k to "do it right". Anything less will result in your car being in the shop rather than being driven.

 

Aside from the general things need to do a NA to FI conversion are there any things spicific to VQ35DE that I would not have run into on my other FI projects I have worked on? Keep in mind im only going to be runing 6psi so things like forged internals should not be a necessity. But any little tricks you know about FI on 04 g35's 6mt would be a big help.