Upper plenum project 75mm Maxima TB - Page 9 - MY350Z.COM - Nissan 350Z and 370Z Forum Discussion



NA Builds Specifically for naturally aspirated builds & projects with Cams, Pistons Rods, Heads, Valves, etc

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Old 04-04-2017, 03:00 PM   #161
MatthewBouchard
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Well, the shop I went to before is now closed-ish and sold their dyno. I went to Rev works to get retuned. I had the same tuner as before, "MTuned" .The numbers are 237hp /215 tq. Its lower than before but it was another dyno.

So sadly there are no magic numbers to show an increase; however I love how it feels now.

Edit: Here is the graph.
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Upper plenum project 75mm Maxima TB-new-dyno.jpg  

Last edited by MatthewBouchard; 04-05-2017 at 07:31 AM.
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Old 04-04-2017, 09:25 PM   #162
BakaN20
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I don't have before or after dynos, but after I added a 3 inch intake and 3 inch maf to this setup, I picked up around 2-3 mph on my trap speed. Can't remember the DAs, but just to give a somewhat objective view of this mod. It definitely seems to work with the added breathing modifications.

Last edited by BakaN20; 04-04-2017 at 09:34 PM.
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Old 04-11-2017, 11:51 AM   #163
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- I bought cockyZ's upper intake from him last year. It was delivered shortly after I paid for it. It has been collecting dust for the past year while I tried sorting out existing issues with the car. He is not accepting Private Messages, so I am posting on his thread.

Fast forward to April 2017. My car with a new rebuilt engine has put 331 WHP down on a Mustang dyno.

On to the pieced together stock-ish VQ35DE...

-Rebuilt engine
-Stock bottom end from a REV UP (Pistons, rods, block, crankshaft)
-Stock Non-Revup Heads
-Upgraded ARP Rod Bolts
-New Bearings
-New rings, etc...
-Revup Oil Pump
-PPE Longtube headers
-Single 3 " Agency Power Exhaust
-JWT C8 Cams and Springs
with stock throttle body, upper intake manifold, *ported revup lower, and Momentum intake and UPREV dyno tuning...

-331 WHP on a Mustang Dyno!! (Without this modified upper intake)

Fuel cut is set to 7000 rpm due to the stock rotating assembly. Needless to say I am very pleased with the numbers based upon the relatively mild cams and low 7000 RPM redline. It is still increasing power at fuel cut. I will try and post the dyno chart in the next couple days.

-I will be testing this modified intake manifold within the next couple weeks. I think it will show definitively whether it is a winner. C8 cams, PPE headers, Large intake, your upper intake, ported rev up lower and ported lower intake manifold, UP rev tuning, and full exhaust with no restriction. Revving to 7000 rpm...lets see how this goes!!

Thank you for coming up with this design...I am excitement to see some results!
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Old 05-22-2017, 05:41 AM   #164
dnash
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Quote:
Originally Posted by dsm_mikey View Post
- I bought cockyZ's upper intake from him last year. It was delivered shortly after I paid for it. It has been collecting dust for the past year while I tried sorting out existing issues with the car. He is not accepting Private Messages, so I am posting on his thread.

Fast forward to April 2017. My car with a new rebuilt engine has put 331 WHP down on a Mustang dyno.

On to the pieced together stock-ish VQ35DE...

-Rebuilt engine
-Stock bottom end from a REV UP (Pistons, rods, block, crankshaft)
-Stock Non-Revup Heads
-Upgraded ARP Rod Bolts
-New Bearings
-New rings, etc...
-Revup Oil Pump
-PPE Longtube headers
-Single 3 " Agency Power Exhaust
-JWT C8 Cams and Springs
with stock throttle body, upper intake manifold, *ported revup lower, and Momentum intake and UPREV dyno tuning...

-331 WHP on a Mustang Dyno!! (Without this modified upper intake)

Fuel cut is set to 7000 rpm due to the stock rotating assembly. Needless to say I am very pleased with the numbers based upon the relatively mild cams and low 7000 RPM redline. It is still increasing power at fuel cut. I will try and post the dyno chart in the next couple days.

-I will be testing this modified intake manifold within the next couple weeks. I think it will show definitively whether it is a winner. C8 cams, PPE headers, Large intake, your upper intake, ported rev up lower and ported lower intake manifold, UP rev tuning, and full exhaust with no restriction. Revving to 7000 rpm...lets see how this goes!!

Thank you for coming up with this design...I am excitement to see some results!
Where you able to get dyno'd yet?
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