Upper plenum project 75mm Maxima TB
03-23-2016, 07:50 AM
#141
I have parts at an engineering facility being flow benched and critiqued. There are no further dyno comparisons or tests planned. I will however be able to tell you the amount of increased flow over a stock upper plenum. I am hopeful that the increased flow will sway some people to take a chance and do testing themselves. 3rd party testing is usually the most brutally honest testing.
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Surfer90291 (03-23-2016)
03-23-2016, 12:27 PM
#142
I have parts at an engineering facility being flow benched and critiqued. There are no further dyno comparisons or tests planned. I will however be able to tell you the amount of increased flow over a stock upper plenum. I am hopeful that the increased flow will sway some people to take a chance and do testing themselves. 3rd party testing is usually the most brutally honest testing.
This type of testing would yield the best comparison from the OEM specified plenum/manifold. It won't show many of the discrepancies in the results that cause a poor evaluation of the given test part. The independent variables such as the difference in tune, or the application's upgrades will be left out of the equation.
Last edited by 90nissanS13; 03-23-2016 at 12:28 PM.
03-24-2016, 06:23 AM
#143
So I was the one who picked up one of Matt’s plenum. I picked up a maxima throttle body and harness at the same time from him.
I just wanted to thank Matt. He is extremely knowledgeable about the platform. He took meticulous care while installing the plenum on my Z. He treated the Z better than I ever had and better than some other shops. There were no issues with drivability and everything looks awesome. I wanted to do a before and after dyno, but it would cost as much as the plenum itself.
Comparison of the two plenums
Inlet openings
Throttle body
Everything installed
I just wanted to thank Matt. He is extremely knowledgeable about the platform. He took meticulous care while installing the plenum on my Z. He treated the Z better than I ever had and better than some other shops. There were no issues with drivability and everything looks awesome. I wanted to do a before and after dyno, but it would cost as much as the plenum itself.
Comparison of the two plenums
Inlet openings
Throttle body
Everything installed
02-09-2017, 12:02 PM
#151
Great thread, interesting to see what was a big experiment 
02-17-2017, 01:45 AM
#153
03-20-2017, 03:47 AM
#156
1cockyZ you disabled your PM's/messages, but consider it sold. If you could PM your paypal and price shipped to 32817, would be great.
Edit: I got my plenum the other day. It looks great and I can't wait to install it and get a retune. Thanks Matt!
Edit: I got my plenum the other day. It looks great and I can't wait to install it and get a retune. Thanks Matt!
Last edited by MatthewBouchard; 03-31-2017 at 12:56 PM.
04-02-2017, 12:28 PM
#157
Was able to install the plenum and its running great and everything fit with no issues. Its running pretty lean at 14.5 at wot now. I was tuned prior to this manifold with my mods being 3.5'' intake, nwp tb, v+, 5,16'' spacer, mrev2, dc headers, berk tp, stillen catback. I'll be getting a retune at the same place I was originally tuned out soon and post the dyno. Thanks again Matt!
