Making a Dual Plenum Manifold (Part 2)
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- Опубликовано: 13 сен 2024
- Second part of a 2 part installment! I've needed to make a new inlet manifold for the RWD Saudi, but decided to make things a bit more difficult for myself and try to fabricate a twin plenum. I had no idea how it'd turn out - watch the vid to find out!
Hope you enjoy the video, like subscribe and drop me a comment and let me know your thoughts!
Find me on instagram @rwd_saudi
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jaricomusic
island-free
Dude killer work hardly ever seen anyone build these bleed manifolds in the states I’ve been tossing the idea for my r32
Thanks man! Going to be making another one soon for the Volvo!
the torque increase is phenominal. you need to look up stavtech dual plenum intake r32. this will open ur eyes to these being the best design intakes for inline engines. 💯
great idea bro
Making another soon for the Volvo
@@AndyPonting hehe awsome im going to build a manifold for the vr6 like this is there a claculation for the slits?
All I did was calculate the area of the port sizes combined and made sure the combined area of the slots were greater. Couldn't find any info to give me a steer on this at all but thought there was at least some logic to what I've done.
@@AndyPonting yeah thats fair logic. i did see one guy say the port area is to be 1.5x he size of the TB, but same same really. cheers my man
Nicely done AP, that's come together really nicely. Such an epic project and all the DIY parts only make it cooler.
TPR graphic is amazing too!😂
Thought you'd like that. I was already rendering when I realised I should have put you in the constructors place on the podium 🤣
@@AndyPonting 😂😂
Great work Andy!! Doing a B204 conversion on my race car at the moment also. Was going to make a single plenum but ill be going the double plenum route now instead
This is an awesome project
Thanks!
Nice work mate
Thanks!
Nice job man. Tell you one thing we had a guy design a dual plenum and run flow analysis on it. The most even flow come from the TB being pointed to cover the whole fist plenum opening. So I'm wondering if that bend will favor the first port now.
Awesome job mate! Inspired me to make another for the 2jz like I did on on my b204! I prefer yours tho it looks awesome!
Thanks Deek! Plenty on your civic that inspires me!
Wooh! Another Saab swap! Got a fully forged b234R in my s13 drift car
Would love to see some pictures of that? I have a 13. Was looking to fit a m113 mercedes engine. (I have a couple) but the Saab option is interesting
i am going to send you a box of work gloves lol. makes my eye twitch seeing you work with metal bare hands haha. top work as always regardless!
🤣 watching back the holesaw clip made me question myself lol. Wasn't that bad in real life, I've actually improved my H&S hugely because there's a camera watching me
@@AndyPonting cuts from metal are nasty! they heal very long.
Nice work man !
Thanks Roman!
@@AndyPonting it worth it ?
I'm not able to say at the moment. Similar designs are proven to work so I would hope that this performs similarly, but I've not tested it yet.
From an installation point of view, absolutely worth it because I'd have struggled to make a standard manifold work on my rwd application
@@AndyPonting will be waiting
Very good effort, thorough top engineering vid! I'm going to take you advise to build one for my Stage 4 in the making L200. Race 🏁 proven results with Nick too!
Late reply from me but thanks!
Dont be so hard on your welds. They look algood. Noce job on the manifold. 😎👊
Thanks!
🔥🔥🔥
Great work Andy! On a side note - that Clarke bandsaw in the background - how is it? Recommend? Is it one of the Horizontal / Vertical ones? Cheers!
Yeah it's a 4.5 X 6" that will run vertically. I picked mine up locally 2nd hand for a decent price. Was a bit knocked about and took some setting up to get it cutting square and consistently but I love it. I was waiting for one of the Aldi bandsaws to come back on sale because they were raved about but really happy to have this now instead.
nice work but a simple rectangular box made to fit the space avalable would be easer .
A rectangular box also wouldn't work as well I expect!
@@AndyPonting if y have space a tryangular inlet like thay have for hayabusa inlet manifolds works well as those bikes go into some big numbers and the shape promotes even inlet pressures
Why not just build a box and port size on manifold looks bit small..why did u make it like that..maybe tell me your thoughts
This design should promote even flow to each of the cylinders. Despite the standard ports, this should flow quite well, and if I need more I can always cut off the runners to upgrade in the future.
Did u ever got this dynoed or something to know how the monifold worked?
No, the project is on hold while I work on the Volvo, although I'll be making another soon for that car
Okay, I hope u make a video about that also! @@AndyPonting
I will! It'll get on the dyno quickly too, because I need to race the Volvo this year
Thats great!@@AndyPonting
Mate what size gas lens cup are you using? #6?
I tend to use a #6 stubby gas lense cup on almost all the aluminum stuff
I haven’t seen this before, what are the characteristics of a dual plenum?
The goal is to have more even distribution to each of the cylinders. If you search "dual plenum cfd" in Google it'll give you a good visualisation of what it should hopefully achieve
@@AndyPonting Okay so, small log plenum vs double plenum, the larger plenum wins, I get it. But a double plenum with passageways connecting them vs a normal plenum of EQUAL volume I wouldn’t expect to have an appreciable difference. Do you dyno these different designs?
@@snivesz32 they are used by rally and rallycross teams. Also in btcc and basically any Motorsport where they use big boost. Worth looking into. Point is. They work. And they're proven by teams and manufacturers with big budgets.
A hobbyist isn't realistically going to be able to afford to back to back Dyno test engines to destruction to prove their design works. But imitating the professionals is a sound bet.
It's worth noting as well. The gains aren't as much about outright power as they are reliability. It gives even boost to all 4 cylinders.
@@snivesz32 so yeh. Just to clarify. It's not about the overall volume being equal. I think that's where your not understanding