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#1
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M103/m104 3d printed intake
You you guys consider buying a 3d printed intake manifold for theses motors? It would be made of high strength nylon, Similar to what the m104 already uses. Right now I'm experimenting with nylon 645, which claims to be as strong if not strong than nylon 66(what GM uses in their plastic intakes). I'm just curious how the cominity feels about the idea.
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#2
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I've been contemplating a 3d printed design that can molded, burned out, and cast in aluminum. Not as a whole piece, mind you, but in sections.
Printing a whole piece sounds like quite an undertaking.
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90 300TE 4-M Turbo 103, T3/T04E 50 trim T04B cover .60 AR Stage 3 turbine .63 AR A2W I/C, 40 LB/HR MS2E, 60-2 Direct Coil Control 3" Exh, AEM W/B O2 Underdrive Alt. and P/S Pulleys, Vented Rear Discs, .034 Booster. 3.07 diffs 1st Gear Start 90 300CE 104.980 Milled & ported head, 10.3:1 compression 197° intake cam w/20° advancer Tuned CIS ECU 4° ignition advance PCS TCM2000, built 722.6 600W networked suction fan Sportline sway bars V8 rear subframe, Quaife ATB 3.06 diff |
#3
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I'm thinking this is going to be horrendously time consuming / difficult over an aluminum plate / thin wall fabricated manifold.
What kind of problem are you looking to solve with 3d printing / not using the stock intake / not making one from al plate - tube? |
#4
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Do it. Sounds awesome. Are they going to be modeled for flow and what is the idea. Plenum size? Boosted application? Etc.
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#5
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Personally it's for a m104.98 I'm building, but I have a 3.2 head and a m103 to model with. I'm thinking the first one will be modeled for low end toque since it's will be boosted. Granted I haven't quite looked into the phystics of intake manifold desighn. I plan on having a engineer look over my design before I ever try to sell one.
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84 300sd 2.47 dif 360k 26 mpg needs lots of love given to me in pitty 89 civic hatchback auto 140k 33mpgs soon to be low to mid 40's been in the family since mile 1 85 300d with unknown knock. driven over 30k with knock and still going. sold for $800 |
#6
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You can do some pretty accurate design and CAD these days. I have a very large printer, 22"x22"x22"
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84 300sd 2.47 dif 360k 26 mpg needs lots of love given to me in pitty 89 civic hatchback auto 140k 33mpgs soon to be low to mid 40's been in the family since mile 1 85 300d with unknown knock. driven over 30k with knock and still going. sold for $800 |
#7
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Id be worried about a 3D printed part failing especially in the hot engine bay. The SLA stuff tends to degrade with UV and anything that's FDM ends up being stratified and relatively heat sensitive. I think it would be a great way to test a manifold that you then manufacture in a more traditional way.
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Follow the team at: http://www.forthesakeof.racing/ https://www.facebook.com/ForTheSakeOfRacing/ Current: '74 450SLC '89 190E '95 E420 Previous: '94 E320 '87 300E '73 350SL '75 450SL '95 C36 '99 C43 55 swap |
#8
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Lots of work, little gain if any , about zero market. I don't see a printed manifold taking less time overall than a welded one.
You will still need to perform machining on a printed manifold after it is rendered, this can be difficult and requires threaded inserts / sleeves to prevent crushing during final assembly. You will need access to a 5 axis mill or make a bunch of holding fixtures. With an aluminum manifold, component parts can be machined prior to welding eliminating the need for machining a difficult to hold part. |
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