Frankenplenum

[rkreigh]

we could likely mock up something in fiberglass and light plywood that could be scanned for the base for an obx cross ram

I was looking into a "transition runner from a mono style port over the the 2.25 or whatever size the obx throttle body is

this would allow positioning of the throttle body at exactly the right angle and might even allow a shorty cross ram to clear the hood which would be desirable

I also have a fabricator that can do it in sheet alum, but the 3d print would be SOOOOO much more precise and better

can you do a high temp plastic that would hold up to the temps???

that would be even better as it would isolate the throtte bodies from the heat

my LPE manifold may soon be up for sale! like to try this with a MS just running the fueling and coil on plug ignition and leave the factory stuff intact with the ecm

I think it would work pretty slick and you would only need 1 injector of the correct size I'm going to try a 50 lb as it would still idle good and provide plenty of fuel

robert, you in??

[NVMYRC51]

Man I gotta tell you this is interesting and not boring at all. I can just imagine a 3D printed plenum that is at the max specs and/or customized as you guys are all taking about. The ability to flow test in the virtual is amazing. So I see some messages have been exchanged, mock ups are being discussed, avenues of approach to improve on the existing plenum but here is my question: what kind of cost are we talking about? If we had a viable model that we wanted to attempt to print in whatever metal would suffice would it be prohibitively expensive to do?

Craig,

PS: Guys we have to keep this on the front burner. The leaps and bounds that are going on with 3D printers is super exciting for any of us that have cars that need or may need in the future specialty parts that can't per se be fabbed. Our "savior" may be at hand.

[cvette98pacecar]

Originally Posted by rkreigh

we could likely mock up something in fiberglass and light plywood that could be scanned for the base for an obx cross ram

I was looking into a "transition runner from a mono style port over the the 2.25 or whatever size the obx throttle body is

this would allow positioning of the throttle body at exactly the right angle and might even allow a shorty cross ram to clear the hood which would be desirable

I also have a fabricator that can do it in sheet alum, but the 3d print would be SOOOOO much more precise and better

can you do a high temp plastic that would hold up to the temps???

that would be even better as it would isolate the throtte bodies from the heat

my LPE manifold may soon be up for sale! like to try this with a MS just running the fueling and coil on plug ignition and leave the factory stuff intact with the ecm

I think it would work pretty slick and you would only need 1 injector of the correct size I'm going to try a 50 lb as it would still idle good and provide plenty of fuel

robert, you in??

Ron, I am in. I think if we can get 10 people involved the cost would be minimalized.

[LGAFF]

I think my thread got highjacked!

[cvette98pacecar]

Originally Posted by LGAFF

I think my thread got highjacked!

We are not hijacking it, We are giving you alternatives. OBX builds a cross ram single TB per cylinder for just over $125.00 per cylinder. If we could get at Cross ram single TB for even $200.00 per cylinder that would be sweet.

[LGAFF]

[cvette98pacecar]

Originally Posted by LGAFF

This is what I am talking about.

[Bearly Flying]

Actually Lee, You are the inspiration for this thread.

You gotta admit with 3D printing, it opens up a whole bunch of possibilities.

[rkreigh]

Originally Posted by cvette98pacecar

This is what I am talking about.

a

ohhhh yaaaazzzzzz the tuning will be a big cost factor as the obx style runner will need lots more tip in fuel

lee, sorry to hi jack we really should start another thread

thanks for the pics, that setup just needs to "lay down" just a bit so we can get it under the hood

I'm noit wanting to go to the toledo but that for sure would be an option

the obx is only like 1400 or so On the bay, a good fabricator should be able to update the base with sheet alum for about 20-30 hours roughly

if I build it out of plywood (no I'm not joking) I can mock it up and we can scan it not sure what a "print in the cloud" will cost but there are many companies that offer the service and having a mocked up part that they know will fit should be fine

Honestly I think a fabbed up thick sheet alum base will end up being the best approach but it will be more expensive to fab up

I'm hoping a high temp plastic media comes out for 3d printers as that would be ideal. a phenolic resin is very strong and head resistant and would keep the inlet air nice and cool

phase II of course is the boxing of the end of the runners for a pair of hair dryers then I think I'll be done

now I just need the $$$

I'm selling a 68 vette which should get me there!

[batchman]

Originally Posted by cvette98pacecar

I think if we can get 10 people involved the cost would be minimalized.

I'd be all over anything that:

- saves weight (this is high and forward, best bang for reductions)
- improves mid-range power too (not just above 4k)

These factors have kept me from jumping on the normal updates, I don't often hit above 5.5k and if so it's only once/twice per run, as opposed to pulling from 2500-3500 a dozen times. I really need to start logging data somehow...

Extra points for reducing complexity, not sure ITB's really does that but man they are pure sex.

Panting,
- Jeff