Project 200whp N/A
Which one? COSMOS isnt the best cfd package, but its easy to use. I really want to switch over to OpenFOAM since it should make more accurate simulations than COSMOS but I'm scared by the supposed difficulty of all the meshing options.
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Looks like all I have a licence for at work is static FEA at the moment. I should have a seat for EVERYTHING but dealing with the computer guy here at work is not a good use of my time. I know my home desktop has it all turned on, I can check when I get there, but it's whatever is packaged within solidworks. It wasn't cosmos, and I don't know how to use it properly. I can get pretty pictures but garbage in, garbage out.
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Junior Member
Joined: Oct 2012
Posts: 138
Total Cats: 5
I always get asked this. A 2.5" tube about 21" long with a cone filter. That's it. Don't over think it.
Honda manifold makes more power everywhere provided the runners are long enough. The trick is getting the runners the correct length, aligning them with the ports and clearing everything on the coldside of the engine bay. I have yet to build one I'm really satisfied with. Kicking around the idea of giving up on aluminum protos (expensive) and just printing one. One of the engineers I consult for various projects can draw it. Several SLA printing facilities nearby. Yup, that's what I need to do.
Honda manifold makes more power everywhere provided the runners are long enough. The trick is getting the runners the correct length, aligning them with the ports and clearing everything on the coldside of the engine bay. I have yet to build one I'm really satisfied with. Kicking around the idea of giving up on aluminum protos (expensive) and just printing one. One of the engineers I consult for various projects can draw it. Several SLA printing facilities nearby. Yup, that's what I need to do.
I have a cone filter over on the hot side of the bay now and 130 deg intake temps on a NA engine aren't helping anything.
Thanks
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Given any thought to printing it in ABS and then wrapping it with FG or CF? It how we made the formula car intakes. And they seem fairly resistant to cracking considering they were normally at a much larger cantilever than a miata engine off of an engine that shakes considerably more. Disclosure, I've never run the same one for more than 10 hours.
That said, if you can print and intake manifold, you can print a mold. And if you can print a mold, I can get flanges made and make a bitchin carbon fiber manifold. This would be a much better solution than wrapping the printed manifold.
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An SLA printed manifold would survive dyno time, no problem.
That said, if you can print and intake manifold, you can print a mold. And if you can print a mold, I can get flanges made and make a bitchin carbon fiber manifold. This would be a much better solution than wrapping the printed manifold.
That said, if you can print and intake manifold, you can print a mold. And if you can print a mold, I can get flanges made and make a bitchin carbon fiber manifold. This would be a much better solution than wrapping the printed manifold.
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CAI (Cold Air Intake), cold side. Really, don't over think it. Bend it to towards the cold side somewhere. It is not rocket science.
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Senior Member
Joined: Sep 2013
Posts: 923
Total Cats: 67
This is off-topic (ish), but when I get my car re-tuned over winter I'm going to do some back-to-back testing of air intakes.
1. Hot side intake with Track Dog Racing exhaust blanket + heatshield over by the headlight using a 3" AEM Dryflow (3" all the way to the elbow before the Skunk2 TB)
2. A Joefis Racing style 3D printed intake over the radiator into the bumper, should be 2.75" or 2.5" piping
1. Hot side intake with Track Dog Racing exhaust blanket + heatshield over by the headlight using a 3" AEM Dryflow (3" all the way to the elbow before the Skunk2 TB)
2. A Joefis Racing style 3D printed intake over the radiator into the bumper, should be 2.75" or 2.5" piping
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We are building it for 13.5:1 compression as that is sort of the sweet spot for E85. On paper at least, it should make 215whp.
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I think I know the answer
Okay, dumb question but is this entire exercise in getting to the golden prize of 200+ NAwhp is still within the constraints of a certain racing class?
I completely get the "because it's there" scenario (please see Catfish for more information), but is this just to see how much you can wring out of a naturally aspirated NB mill?
Genuinely curious.
I completely get the "because it's there" scenario (please see Catfish for more information), but is this just to see how much you can wring out of a naturally aspirated NB mill?
Genuinely curious.
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Okay, dumb question but is this entire exercise in getting to the golden prize of 200+ NAwhp is still within the constraints of a certain racing class?
I completely get the "because it's there" scenario (please see Catfish for more information), but is this just to see how much you can wring out of a naturally aspirated NB mill?
Genuinely curious.
I completely get the "because it's there" scenario (please see Catfish for more information), but is this just to see how much you can wring out of a naturally aspirated NB mill?
Genuinely curious.
its in a odd place really. A dyno reclass into PTC would probably get you somewhere below 200, but you would need a good bit more than 200whp to run in PTB. a points car in either of those classes probably doesn't make sense since its going to be outclass based on tires alone. Its possible for a dyno reclass into PTB, but I doubt that.
Not sure about SCCA classing.
I think its just a fun project car, then probably sell it afterwards.
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