Gasket Match or Port Match What Should You do? by SRDmotorsports
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- เผยแพร่เมื่อ 1 ม.ค. 2023
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We share now How we port match the manifold perfectly to the head we ported or to a stock head. Some trick stuff that is easy for everyone to do or try. Some keys to consistency and substantial improvements.
This works and helps even beyond the D16 or B16 even K series and H22 it helps on the Mitsubishi 4g63 Evo engines, the SR20det silvia power plant and even the venerable Toyota 4ag platform. A common practice on the type 1 and type 4 VW scene that includes when port matching your manifolds to CBperformance's awesome Wedgeport heads.
check out our shop page for more interesting stuff as we constantly share our shop work almost daily and other projects that dont make it to our channel. check it out at
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Gasket Match or Port Match what should you do
Gasket Match or Port Match what we do
Gasket Matching or to Port Match
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Great video bro, finally someone talks about that gasket match miss conception, have a nice and fast 2023!!!
Oh thank you brother! I tried hard to explain without offending people cuz we know if they realize they doing it wrong? They’d comment like they been doing it for years lol
But since I like VW I kinda saw where the misconception came from even on V8s they do resize port entry sometimes so port matching happens by turning the gasket same as the head port so u “gasket match” to the manifold
Stay safe and have a great 2023 also Amigo!
Very nice tip for sure ,happy new year !!
Oh yes sir! We start the year good :) and Happy New Year indeed! Brother!
You always provide the best results buddy love your video also I have a ? I have a gs 90 with the b18a1 its start dropping all the oil to the exaust but the car doesn't warm up no coolant. Leak and good power on the engine what it's the common problems for my issue?
Thank you buddy! Well if it spend warm up on coolant maybe the thermostat is clogged check that
All the best for 2024
Yes sir brother! All the best for you too this 2024 :)
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Great video as always you have so much information. I was wondering where do you get those 80 grit arbors for the die grinder that your always using for porting. Thanks in advance
Thanks for the kind words man! The 80grit is actually a roll I cut into strips and just make my own “sanding roll” and just glue the back side so the roll “stays” as a roll… the masking tape I use is to prevent it from shooting out lol
So just a regular 80grit emery
Wow your awesome thanks for the quick response. I would love to see a short video on how there made and any other little SRD secrets you dont have to show them all but those ones that save money and work way better then stuff you buy off the shelves we would all appreciate a video like that. For real man you are an amazing teacher and we are all blessed to have you sharing all the knowledge that you do with us keep up the amazing work it's just a matter of time before the TH-cam algorithm catches up with you and to the moon you go you deserve my friend looking forward to the next video
@@bradleysmith6154 oh wow thank you! actually i was making coffee so i saw the notification and i was like hmm... interesting question 🤣
but those are good video ideas hmm thank you!!
Yes this correct and the right way to do it thank you
Oh thank you brother we see the same things! 💪
Much love brother
Thank you brother! Some Guns for the CivRV :)
Hello, thank you for great video with lots of knowladge. I have a question, i heard about 'golden' 90% rule for valves, which was told by David Vizard, and other american pushrod v8 dual valve engine porters. Asked a few locals, who port hondas, opels(chevy in south america opel astra/chevy astra) and say that upto 85-87%, 89% with lots of lift. So what makes 4 valve engines want smaller throat?
Also what port entry area should i aim for? Maybe there is a rule for throat areaXvalve numberXfixed number or something like that?
Also i see entry of port beeing really big, but after devider two 'pipes' going to the valve seem quite small. How small or big cross section area is allowed after deviders?
Also have you tried a-symmetrical porting, one of ports f.e. left stock, but blended seats, and another one enlarged so it has swirl in cylinder like diesel? Diesel can be killed if you port out twist ramps.
A few ideas a few questions, have a great day. Thank you.
Interesting about the valve to throat question… it’s also because it’s 2 intake valve (on 4 valve) than 1 intake valve (on 8 valve)
In layman’s term… two 85-87% of 33mm (Honda) is more curtain area than one 90% of 42mm valve… so when we think about it it’s already big but Ofcourse it spins more rpm’s so it works
(Outside the port area Vs throat to valve which is a factor in itself)
I came accross you videos, subscribed, and have been watching them. You're are so smart when it comes to motor/intake porting. You make me wanna start learning how. Any advise what brand of bits I should purchase that is good and will last me a long time
Oh nice nice and thank you for that! I use the regular common bits and they last quite long and it’s good
@@SRDmotorsports what brand of bits
Not sure on brand I just buy the generic ones that the local tool/auto shops have I prefer this because If it breaks I can replace but it never broke yet hehe
@@SRDmotorsports ok thank you. I appreciate you replying to my questions. Alot of youtuber don't
You’re welcome man! Thank you… I try when I can hehe
Do you have a website? I would love to send you a H22 head to port and polish
Just the shop page and the link is always in the description brother :)
you make such great videos. i just wanted to ask though, this video is more for match porting. so in a case of when you want to port for better flow and you increase the diameter from both the intake and head, which part do you port first? the head or the intake? and then do you match port afterwards?
It really depends but since it’s almost often the head port is bigger than the intake port I port match “after” porting the head, then I double check intake gasket pattern and apply it to the intake manifold and port match the intake to the head
@@SRDmotorsports so am i correct in saying that when you do port the head, you just ensure that the casting marks are removed and the ports are somewhat even throughout the port? and then once thats complete you match port to the intake? does this apply for ITB setups as well? do you port the adapter?
Yes but that’s not a one answer for all… some engines the head are either lacking or have too much port volume so they should be worked with a different approach from one another
@@SRDmotorsports i understand that yes you always make mention of that. the head i want to try to port is a apk vw head. i tried looking if you perhaps had it on your page but i didnt find anything. are there any guidelines you could perhaps give me?
Oh I havnt worked on that head but il look around
Hello friends I need help can you please help me … I have a b16a2 all motor I had the head supposedly ported and polished and today I asked the machines how big of a port he did to the head he said jus a port and polish he didn’t make the opening bigger 🤯 I bought a new ultra street skunk 2 manifold I sent it to get the runners ported and the man asked if I wanted to gasket match I have no idea if I should any recommendations friend…. Sorry I jumped in the Honda game trying to build a all motor with out really much knowledge 😓
It’s okay to just ask the machine place to match the manifold to the head
So I have a question on the on the intake port on p8r should you add dimples or rifling
that’s a very controversial question/topic lol
@@SRDmotorsports yeah not too many Honda Builders know about p8r flow just as good b16 I seen you talked about it so I instantly subscribes you should also look into the information on Honda tech by Franks Acura he got a build b20b with p8r bc cam ycp Pistons doing some pretty nice numbers keep up the great work with the videos really love all the information and knowledge thank you
Oh yes thank you for that! But also unfortunate we never really got the p8r here so all I’m left with is researched info but def the non vtec side of things on the Bseries is very interesting and deserves in-depth stuff
@@SRDmotorsports yeah here in usa we didn't get the b20b or p8r head but a lot of people don't understand this motor since it's too low compression they think it's trash but it turns into a beast with a little bit of work. So did you guys get any of the cool Honda's over there everything here in the United States is all to tune down but for few vtec
@@sherryhilbert7888 not as good as the japan stuff so much the same or similar to the US looks like it
thanks man..now I know😁
Free tricks 😂 Pra “matrabaho” hahaha
Everything makes perfect sense, I really love your knowledge on porting because I myself love porting too, I've seen a lot of people port match for the gasket but the gasket is always misaligned so it makes sense to make your own gasket to match the head. 1 question, where do you get that material to make the gasket? Excellent video as always brother
Oh tbh it’s just a regular “folder” the office ones they tend to be tough enough for gasket making, learned this from the Vw guys that run Webers lol
@@SRDmotorsports ahhh I see, so folder can work, noted haha
@@StraightOutThaGudda4U yep the light brown one the tougher ones not the spongy one lol
@@StraightOutThaGudda4U but I believe in the US and even here u can get the gasket material in rolls too
@@SRDmotorsports noted ,I think here in my country I can get gasket material as well
What if its a thermal intake manifold gasket? Can you just port match it then use it as a template for the manifold??
if it’s aligned yeah but a lot of times it’s not aligned it’s always to one side etc so we would rather do an aligned gasket
@@SRDmotorsports Hmm ok. I was thinking if I can get one down, I can 3d print it over and over again in tpu whenever I need one.
@@Jamxknife if u can 3d print the template u make off a proper head then yes.
Cuz the ones we can buy on the market the thermal gaskets are much the same as any other intake gasket they’re always mis aligned one sidedly
Ported manifold on unported head. Will it improve my engine performance? Just a question. Thank you sir
Really depends, and really has to be looked at it in a different way. a lot of locals to me do this and see it as “this” + “this” = “fast”
Sadly it’s also suggested by “friends” who aren’t spending their money but you are 😂
If they spend their money either they stop suggesting or they want to be more sure lol
to answer the questions and why it depends
will the engine be needing it? Like will the header be flowing enough to want the stock head to be upgraded to a ported intake manifold? It’s just like a ported head depends if the header and exhaust and cam will merit the upgrade.
This is also why I’ve seen locally
A b20vtec with cams, run just 201whp
But has a “TypeR” manifold
pretty sure that was followed by friends suggestions that never built one and or read somewhere… cuz of the TypeR manifold lol and all
but 201whp is like a strong B16 lng not even a b20 lol
Thank you sir. This would really help a lot. I believe that it really depends on the combination. I put up a ported manifold on my b16a head and hopefully would gain something on this. Been watching your Sir build series and really learning a lot. Keep it up sir
No worries
Another question sir. I'm planning to put b16b cams with crower valve spring and rets and camgears on my stock b16a engine with the ported manifold on stock head, stock piston. Is it worth it or do I need to have my head ported or upgrade my pistons?
So my question is how do you make the pattern?
In your video you trace a pattern you have already made but that doesn't help me if I don't have the pattern right
@@shaby1977 if u have the head ? Thats ur pattern
The pattern was already made for the exact head on the video based on that head itself
After all you are matching the manifold to “that” head
@@SRDmotorsports I do have the head but I'm confused on how to transfer it to the pattern that I would be making if that makes sense like i trace out the outer part of the pattern which is straight forward but the intake runners are blocked by the new pattern I would be making
Great videos by the way very informative and helpful I love your content
Why no translate videos???!
wait what? weird its suppose to have translation as youtibe said that wow weird lemme check how i can work on that
Or u can just port match to gasket lol
and gaskets aren’t always well aligned to the head casting as mentioned and explained on the video
unless it’s a cb 044 ported head their gasket is the pattern for the intake to be matched
but even on vw , the oem intake gasket is cross eyed
@@SRDmotorsports It's true that gaskets don't always align up perfect with the gasket guide....it's just confusing hearing port match..... I better term would be port match to gasket because EVEYONE still uses the gasket as a template to cross over to manifold port to cylinder intake port
Which is exactly the misconception
Port match = match both head and intake port
Using gasket as a template is also what everyone calls “gasket match”
which already ruins a lot of things especially if they take into account “cross sectional area”
@@SRDmotorsports ok I understand now.....because the gasket dosnt align up perfect with the gasket guide.....this is why u do your method......but.....if the gasket aligns up perfect with the cylinder head then u can gasket match
Yeah that’s it