Installing Ported Upper & Lower Intake Manifolds on The Z

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To make more power while staying NA, the flow of air going to and from the engine needs to be optimized. Most auto manufacturers produce cars to work well, however they are okay with having an adequate final inspection. That somewhat poor quality control means there are many aspects of the car that can be improved on without reinventing the wheel. In a previous video, I removed the imperfections and casting marks from the upper and lower intake manifolds on my 370Z ( • How to Make FREE Horse... ). In this video, I’ll be going through the complete installation with torque specs. You can find the products that were featured in this video below by clicking on the sponsored links below. By purchasing items below, it helps the channel operate and bring your more awesome content to you guys! Thank you for the support ❤️
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///// TORQUE SPECIFICATIONS \\\\\
Lower Intake Manifold Bolts to Cylinder Heads 1st Pass (8) @ 5 ft. lbs
Lower Intake Manifold Bolts to Cylinder Heads 2nd Pass (8) @ 19 ft. lbs
Fuel Rail to Lower Intake Manifold 1st Pass (4) @ 7 ft. lbs
Fuel Rail to Lower Intake Manifold 2nd Pass (4) @ 17 ft. lbs
Fuel Delivery Line to Fuel Rail (2) @ 80 in. Lbs
Upper Intake Manifold Bolts & Nuts to Lower Intake Manifold (8 & 2) @ 14 ft. lbs
Throttle Body to Upper Intake Manifold (8) @ 75 in. lbs
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MILAN MASTRACCI
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FONTHILL, ONTARIO, CANADA
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If you have any additional questions, feel free to send me an email at milanmastracci@gmail.com. Be sure to tag me on instagram @milmast with your projects. Thank you so much for watching!!

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2 окт 2024

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Комментарии : 231

@4runner_litty 4 года назад

How could anyone dislike this great video. Great instruction bro.

@ryerci9618 3 года назад

@EMAH MUSIC u missin the point of modding/ sleeper cars

@TheCybusterGundam 3 года назад

@EMAH MUSIC Say that to literally any car guy and they will avoid you 💀 Dude you're missing the point of modding cars.

@zebraheem Год назад

Arm chair analysis: smooth ports promote flow therefore air velocity...rough ports promote turbulence... turbulence is good for fuel mixture. So it's a matter of determining what engine likes what more...in this case we got fuel injectors so I think the whole mixing might not be as important

@gkada8016 Год назад

The dislikes are mechanics😂

@Seany370Z 3 года назад

just installed the ported upper intake manifold. thanks a lot mate haha. keep up the good work

@isaihaguirre6533 3 года назад

Any major difference?

@S.Madman 4 года назад

This video is great quality. The lighting was amazing, your pace is superb. Had a question, some animal chewed my fuel injector harness, can it be removed/replaced without having to remove the fuel rails?

@162mikey 3 года назад

Most detailed I've seen. Thank you for this

@milanmastracci 3 года назад

Glad it was helpful!

@performanceoverlooks 3 года назад

Thanks for the help! Would like to note for others that you don't have to remove the coolant lines from the throttle body if you're just replacing the upper manifold.

@ravenXcozmo Год назад

What if youre replacing valvecovers ??

@swanblake 5 лет назад

Way too much work for 4 HP hahaha. Thought you need upgraded throttle bodies (enlarged) and 3inch intake pipes to get benefit from porting ?

@nighthawk0077 4 года назад

Welcome to the world of NA tuning. He also has post maf tubes that make 1-2hp

@dukenukeman 3 года назад

Any mod for this car is pretty much useless unless you go with a super charger or turbo The amount of money you will spend for bolt ons can be used for forced induction I only have test pipes and long tube intake installed then called it a day...left the nismo stock exhaust alone Has enough power for everyday spirited driving for me

@general38 5 лет назад

Another great video milan. The way you instruct gives me confidence to do the bigger projects. With ported manifolds, i would be thinking of forced induction of some kind - it just seems to make sense! If not, bigger cams perhaps - either way you have done an awesome job on the z.

@xcaliburG37S 4 года назад

This engine is ridiculous to change valve cover gaskets. I use to do this on my 78 Transam in a half hour. Same with intake. Ill be paying a mechanic soon to add headers, fix valve cover gaskets, replace top intake with z1 ported and new plugs and any other gaskets.

@videomaniac108 4 года назад

Very nice. Did you also port match the gaskets?

@ABoyIsMe 5 лет назад

Big fan, I have a G37 and it's very similar. Can you show a video of how to clean the throttle bodies?

@christiansmith2425 5 лет назад

motorvateDIY has an awesome video series on this process, worked perfeclt on my G and its idle is pretty good now.

@reyes-rn8wu 3 года назад

Any CEL from upper and lower manifold upgrade before tune? And does this effect how realiable the g37 will be?

@shad3128 3 года назад

This job reminds me a lot of when I rebuild my 2/4 stroke dirtbike engines. Especially laying the new gaskets and torquing the bottom and top ends together. The small details are clutch for the proper fit and no coolant leaks! This video was done amazing. Thank you for sharing man. Most z owners are people I would not wanna sit and watch for 15 minutes on youtube...

@milanmastracci 3 года назад

Thanks Chris! I appreciate it 👊

@omarali6726 3 года назад

How many horse power you gain from these manifolds bro

@boondocksaint8088 4 года назад

Great and informative vid! Most of the other Z vid people I've watched seem to annoy me but you aren't cocky or annoying. lol Thank you for the great video...subscribing! Very well edited and well produced.

@revvolutions 2 года назад

Yeah us VQ guys are usually douchebags.

@irwinjimenez 2 года назад

Did you have to upgrade any of the timing chain/tensioner components? If so, what & how

@JoseGutierrez-un1bk 5 лет назад

Please consider going with 3” admin intakes and getting a revup admin tune. You’re looking at an average of +35whp with just the intakes and tune.

@HorgretorGellantara 5 лет назад

Not true. The intakes are not worth crap.

@Cheeseypoofs85 4 года назад

@@HorgretorGellantara 3" intakes have shown up to 22whp over 2.5" long tube intakes on the VHR

@HorgretorGellantara 4 года назад

@@Cheeseypoofs85 have you been on the dyno and compared them side by side with no tune changes except for the scaling? Because I have

@Cheeseypoofs85 4 года назад

@@HorgretorGellantara what's the point of an upgrade if you don't tune for it?

@HorgretorGellantara 4 года назад

@@Cheeseypoofs85 I guess I worded that incorrectly. It was at max timing already, 3in intakes made 3 whp over the factory timing with both tunes maxed out. There's actually a video comparison on here somewhere that shows exactly what I found out on the dyno.

@michelleedwards7913 3 года назад

On the lower intake manifold, did you have to put and kind of gasket maker to hold the gaskets in place? Or do you just clean the old ones off the surface and lay the new ones in place.

@ElectricWolf1983 3 года назад

Interesting video, however most tuning specialists I've heard of usually re-profile the intake and exhaust camshaft to accompany gas flowing (porting) the intake manifolds. Otherwise even after a "tune" the gains are minimal.

@v36vhr Год назад

I didn't make any power with upper and lower ported manifolds, dyno proven unfortunately. I went with a knock off company lol. Even with a tune it made no power. Maybe it depends on who does the porting and if it's done right? The upper and lower manifold should be port matched with one another. NoTrigga and z1 are the best on the market.

@ravenXcozmo 11 месяцев назад

@@v36vhri just got triggaspec ones ! :) the dude is pretty chill and explained everything very well prior to installing he also supported everything needed for install

@lowlifespore8993 3 года назад

Are you Chrisfix’s brother? Because this video was immaculate.

@TheRealMrRoboto 10 месяцев назад

Making anything larger regarding fluid dynamics is going to decrease your velocity regardless of how smooth it is now. The smoothness just decreases the turbidity of the fluid

@climbingthewall4169 2 года назад

Man explanation is so damn good in this video thanks for it 🙏

@milanmastracci 2 года назад

Happy to help brother!

@ashmore_ofcl_3305 2 года назад

Here do you get your torque specs from? Great video, i actually emailed you, i dont think you ever got it

@slfrules1 3 года назад

man i love when you Canadians say things like "out"

@milanmastracci 3 года назад

OOUUUWWWTTT

@TrollingSRT 2 года назад

How was the shipping? Did they send the part first? Or did u pay core ? Was a little confused , want to order

@milanmastracci 2 года назад

Hey Jay, shoot me an email if you need some clarification. milanmastracci@gmail.com

@TUNERJDM 4 года назад

Question. Why did you open the lines if it’s already attached to the throttle body?

@henrymatthews9365 5 лет назад

Bro don't use gas as a lubricant for the fuel injector o-rings. Just put a little spit on them glides right in no snags and no worries about premature o-ring failure.

@grudepc901 5 лет назад

On NA cars ported cylinder heades and bigger injectors are pretty much evrything that can make huge difference.

@MRxhalemotorsports1 4 года назад

I don't typically comment. But that was the best instructional I've ever seen.

@JSpool1 5 лет назад

I hope you measured the head ports. While this may help slightly and I mean slightly .... no point in more air coming in if the actual head ports are smaller and basically creates a bottle neck effect.

@JuanRazo-m2p 10 месяцев назад

So would you be able to drive the car without a tune for a while until you schedule a tune and nothing will happen because I was told not to drive with them before a tune because the motor will blow

@torvarrisevans3961 3 года назад

Did you feel a difference in performance with out a tune bruh , am interested

@claudioagmfilho 5 лет назад

Great vid, I am from Recife in Brasil South America, I think your videos are great let’s see what hp it will have with these ported intake manifolds

@RzVids 3 месяца назад

8:20 Everything straightforward until here. I still don't see the knock sensors and what is that long metal pipe in the middle??

@Pendaws 5 лет назад

Hey Milan, bolts are NOT measured by head size but by THREAD size. Head sizes can be different for the same thread size. IE 10mm thread size could have a 14 or maybe 15mm head size.

@williamhartwell9160 3 года назад

Does this give you any horsepower gains?

@TheOmegaSanction Год назад

Not enough to justify all the time and work not to mention if you paid for a ported unit instead of doing it yourself.

@lilflip416 4 года назад

Can also preform an air intake re learn using the key and pedal.

@MiguelAngel-cx5dq 5 лет назад

Thanks for sharing I want to do this to my car now lol cant wait for the dyno tune. The Z1 intakes supposedly make a decent difference. I heard you can diy the intakes and now after watching your videos I know I can get it done. Thanks bro

@ianjones1498 4 года назад

You are better off getting a 3" intake and bigger throttle body's on the plastic intake models. The Japanese are very smart and knew what they were doing when that designed the smaller ports due to Bernoulli's principle. Also a quality exhaust is a huge plus on Z's and the G's

@easypeasy8690 Год назад

Hello i have a crankshaft problème in my 08 350z since iam from Morocco and theres no way to find a VQ35HR arround. I managed to find a VQ37VHR MY QUESTION is can i put the heads of a VQ35HR into the short block of a VQ37VHR reading your thread says yes, i would appreciate your answers Thank you

@cwbuilds9215 5 месяцев назад

clearly you should leave the throttle bodies on and pull the coolant lines. its stupid to pull them off and still pull one line. how about to take a look at the service manual before you make a video, youre 3 minutes in and doing it wrong. service manual is free for basically everything 86-14

@cwbuilds9215 5 месяцев назад

not to mention it will bleed itself, the amount of coolant lost from the throttle bodies is negligible to the system

@kilalamadness 4 года назад

Awesome video the upper intake and lower intake ported nice the one thing to help it breath better upgrade the throttle to bigger size and port the heads and port the exhaust as well and upgrade the intake valves to go with the ported heads on the cold side and hot side It's sounds crazy and money to do all of that u will see more power and worth it depends on the individual but I would

@Daddychill945 2 года назад

How much more power will you get

@nicpirez 3 года назад

I been having problems with my G35 VQ35HR, my coolant is consume to fast and my car have a stall episode, I check for leaks and nothing is posible the manifold gasket have a leak or so, this can be a solution? No leaks anywhere in the visual inspection and this is the last chance 👀

@kevvodinero8785 4 года назад

You showed every step but I wouldn’t dare do this shit, I have no mechanical experience and I’d just forget where everything goes

@juvenalgonzalez782 2 года назад

😭 they fucking sold me a g35 de gasket and my dumb ass was still about to install it if it wasn’t for the part number you put up there

@sergnextdoor5213 2 года назад

Was this properly ported? I’ve heard over gapping the manifolds causes turbulence thus losing power

@ptinker106 4 месяца назад

Who makes the black upper strut tower brace?

@carolinasrt4163 5 лет назад

Cracks me up seeing plastic manifolds gotta love modern car manufacturers 🤦‍♂️

@Thomasrollins_ 5 лет назад

Lighter and less heat soak. They know what they’re doing lol.

@carolinasrt4163 5 лет назад

Thomas Rollins “ok” not cause it’s cheaper or anything if it’s better how come no racing teams use plastic parts 😂😂😂😂

@Thomasrollins_ 5 лет назад

Carolina Srt4 a sheby gt350 makes 526 hp and has a plastic intake manifold. An LS7 makes 505 hp and has a plastic intake manifold. Plastic does just fine. Don’t know about race cars.

@shhhdontshout 5 лет назад

Because race cars are custom made, u dont custom made parts using plastic. Easier to fabricate using steel, or if u got lots of money to spend, use carbonfibre. Plastic are cheap to made in large batch, but not in small scale. U not gonna design,developed plastic parts, with all mould needed just to made a few dont u?

@pushhrodd01 5 лет назад

dude stop being stupid. New technology is far superior

@bmanh2355 3 года назад

Minimal gain.

@TheOmegaSanction Год назад

If any at all.

@isaihaguirre6533 3 года назад

Didn’t mention the gaskets on the intake manifold for the throttle bodies🤦🏻‍♂️

@interstatebullly3nyg551 7 месяцев назад

Good clear explanation throughout the video. Makes a big difference in their types of videos where detail is key

@fernandohood5542 4 года назад

Dyno before and after? Flow Bench before and after?

@interstatebullly3nyg551 7 месяцев назад

I need to get me one of those ratchet drills.. I'm seeing these things in all the videos now and they look so convenient

@brandini2557 Год назад

I deleted my coolant lines to throttle body’s

@streetlegends Год назад

Thank you so much for a very detailed explanation on how to install and torque specs. 👌🏻

@Mackenzielynn29 7 месяцев назад

Would this be the same torque specs for a de ?

@richarddevreede4336 Год назад

why not replace your injectors?

@oldirtydave22 4 года назад

this is so ridiculous like this just doesn't even make sense theres just isnt anyway you can feel a difference!

@hockeyplayr97 Год назад

Why not delete the coolant in the throttle bodies and eliminate the extra hot components heating the air coming in

@christiansmith2425 5 лет назад

This also helps down the line if you do choose to go for boost, like I hopefully will be going for down the line.

@ianjones1498 4 года назад

Are you going turbo or supercharger?

@omarali6726 3 года назад

I need one like this bro I am in Saudi arabia I have infinite g37 2010

@Juanhjess 7 месяцев назад

Hey is like to know if you would need a tune right away or can you run it with no tune

@NitrousDe 8 месяцев назад

How much power did it gain?

@kevinvilchez2525 5 лет назад

1ST NOTIFICATION SQUADDDD

@crossroads2027 6 месяцев назад

this is a very clear and concise instructional video. welldone

@allenpolintan1614 Год назад

Where can I get them both and how much? I live ontario

@Tha_Zhuk 5 лет назад

Not doing bigger injectors?

@milanmastracci 5 лет назад

I don't plan on maxing these out for now. If I go boost, I'll just take the manifold out again. Nbd

@shorna.darling6353 4 года назад

question: as pertaining to removing the upper intake manifold...there are two nuts that hold the manifold down once removed and the rear end of the manifold is stuck on the rear bolt...after the nut is removed how do I get it loose...and not damage the plastic manifold..thanks

@axelguadalupe8770 10 месяцев назад

What are the gains to hp one gets for having these two installed?

@Marcos0ne Год назад

Great explanation, great view of the bay/ area being worked on. I was a bit iffy about installing these myself but after watching this I have no doubt I'll knock it out in no time.

@kevinpereda4486 3 года назад

Yo hago el poteo de arriba de abajo pongo los inyectores de GTR bomba de gasolina de GTR y hago un tuning y el carro esta muy bien . El que a hecho esto que el chico explica sabe que cuando el haga el porteo no puede salir para la calle debe ir hacer un tuning lo mas antes posible ya que el carro esta entrandole mas cantidad de aire que de gasolina seria estupido que el diga que el carro camina mucho mejor eso es para mentirles a ustedes a mi no me dira mentira ya soy biejo en este deporte 💪🏻💨

@bobbyholts5594 3 года назад

Thx bro. 😌🙏 I used this video last nite... It's a keeper. 🍻

@quangtinmusic 2 года назад

I enjoy learning how those manifolds made and assembled but changing them are just the waste of money because after, air just came through it.

@milanmastracci 2 года назад

So the point of porting them is to remove the casting lines & the inconsistency with the multi piece plastic manifold. By doing to, it allows for higher CFM, which allows the engine to make more power with a tune.

@ryanscanlan9875 3 года назад

Great content. I'm doing mine now but I have a question re lower intake to head gasket. The gasket can be installed with the ports on the gasket either tapering in or out. Which way did you do it? Really don't want to do it the wrong way.

@ravenXcozmo Год назад

Damn im impressed with your videos brotha, going to be doing this to my g37 soon.

@shomarinelson6017 2 года назад

she sounds spectacular/

@_ebj_ 8 месяцев назад

Where did you get part ?

@elcolin_ 2 года назад

Love the video and the project. Props to all of us DIY guys. Question though: doing it manually at home by hand... my concern is that you'd end up with slightly different sized ports just due to human error and "eye-balling it". I wonder if there is any way to measure each port to make sure they're as close to identical as possible?

@Uurrgg3 Год назад

Very interesting question.

@Ocho474 4 месяца назад

I wish my engine looks this clean😄

@runemproduction3187 4 года назад

Nice video bro thanks I finally built up the courage to port my upper manifold thanks to your video and a few other I'm glad I did after 5 mins I felt like a pro I subbed thanks

@Christian-ws3xs 4 года назад

Would sand blasting it be a good idea? Like it won’t mess up the size of the holes when the head gaskets are replaced?

@DjNeighborhood 3 года назад

Lol what's the link to that ending instrumental? After installing them does it require a tune asap?

@milanmastracci 3 года назад

If you have the funds to get a tune, I would defs get one after changing any engine related part. To prevent wasting an excessive amount of money on multiple tunes, try to play out when you're modding your car so you can get one tune with every part installed.

@2shorTt_ 2 года назад

Z1 is asking I return the “core” To get some money back, what is the core?

@milanmastracci 2 года назад

A core is your stock part that is being replaced. So if you are purchasing a manifold from Z1 and they want a core, they want you to ship back your stock manifold after you install theirs.

@lilhubraider4880 7 месяцев назад

Nice

@Keemichael65 2 года назад

Who else went for the line stopper link✋️

@richarddevreede4336 11 месяцев назад

how many horsepower does it deliver?

@milanmastracci 11 месяцев назад

Depends on the other supporting mods. The more mods you have, the more power this will yield

@ravenXcozmo 11 месяцев назад

Do you need a tune right away??

@WrongFromWright 5 лет назад

4 inch intakes and larger throttle bodies.

@jeremygalloway1348 3 года назад

Have you done the throttle body coolant bypass mod?

@shadzuchiha6691 3 года назад

I changed mine this morning on my G37x, car worked fine for about 3 hours but went into limp mode & shut off. Tried to start it but would not start only the fan would come on.. You have any idea what it could be??