what is going on - on the exterior of the upper plenum?

 

would love some more info on this if possible!

 

Is there a set amount to remove per?

 

He raised the top and ported the lower plenum and collector. I'm going to do a before and after in the next 2wks.

I will post my results and take pics to show the difference.

 

those 3" X 1/2" cuts in the back side (toward TB) of the upper is what I'm talking about... he did that to raise the top?

I guess I'd need to see the finished product - 'cause I dont get it at this point...

 

^I'm with you Mike, I still don't understand the modifications he made to the upper plenum. Need to see final pics of the upper plenum.

 

Lost here, too.

 

I dont care what he did as long as a dyno sheet proves the gain im game.

 

Not to be rude here guys but the intake you guys are looking at was built over 3 yrs ago. Ive made roughly 10 since then. The top is actually being milled open in the pics. I dont want to keep hijacking the op's thread so if you would like some info pm me.

 

got a link to info about the upper cut-outs that we are asking about?.... as for lower collector, lots of us have MREV2-esque machining... but I'm curious about the milled openings... thanks

 

http://my350z.com/forum/intake-exhau...=custom+plenum

The finished product is not diamond plated. The diamond plated one was his 1st one which is on his car.

 

thanks Derek... I remember that thread, but I'm still perplexed about the milled openings on the OEM upper in this thread

 

https://g35driver.com/forums/intake-...-assembly.html

this is the one I did...

dyno'ed directly against the Mrev2 and made power compared to it. Not much more but still nice to know it can be bested.