In for the long haul Ultimate NA build thread. - Page 35 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Ultramaroon · 05-17-2016, 06:11 PM

Quote:

Originally Posted by celek

A little weekend work

This is intended to be a weldment, correct?

Been following your work. Very exciting stuff. Thank you for sharing.

celek · 05-18-2016, 11:36 AM

Quote:

Originally Posted by Ultramaroon

This is intended to be a weldment, correct?

Been following your work. Very exciting stuff. Thank you for sharing.

Correct currently slipped together and welded together. Offers options for different runner lengths

celek · 05-20-2016, 02:17 PM

More work needs to be done.
[ame="https://www.youtube.com/watch?v=S4XppVxmhbY"]BRZ FRS ITBs individual throttle bodies. - YouTube[/ame]

churchx · 05-20-2016, 03:45 PM

How about making it multipart, so that you can experiment with overall stack height to tune it for wished rpm range performance?

celek · 05-20-2016, 05:24 PM

Quote:

Originally Posted by churchx

How about making it multipart, so that you can experiment with overall stack height to tune it for wished rpm range performance?

It is possible
All the parts are individually built the RPM and cam I want to run require very short runners

Gear_One_Performance · 05-20-2016, 05:30 PM

looks like some great progress, Can't wait to see them on the car.

celek · 05-24-2016, 05:08 PM

I have a few final tweaks but I would say 90% done
[ame="https://www.youtube.com/watch?v=Ho4shNXhlMo"]Getting closer BRZ ITBs - YouTube[/ame]

stevo585 · 05-24-2016, 10:02 PM

Graphite or sand cast them and make a side business.

Laser the flanges and weld them.

Those flutes/runners machined are going to be expensive as hell though for a one off. I would guess several grand in my ME experience, depends how fast you need them. Emachineshop is a good place for cheaper machining. If you use protolabs or rapid machining going to be $$$.

Bobster · 05-24-2016, 10:58 PM

Following this thread for sure, nice work

celek · 05-25-2016, 11:03 PM

Quote:

Originally Posted by stevo585

Graphite or sand cast them and make a side business.

Laser the flanges and weld them.

Those flutes/runners machined are going to be expensive as hell though for a one off. I would guess several grand in my ME experience, depends how fast you need them. Emachineshop is a good place for cheaper machining. If you use protolabs or rapid machining going to be $$$.

how about 3d Printed negative for Carbon Fiber Velocity stacks?

Jaden · 05-26-2016, 01:47 AM

Quote:

Originally Posted by stevo585

Graphite or sand cast them and make a side business.

Laser the flanges and weld them.

Those flutes/runners machined are going to be expensive as hell though for a one off. I would guess several grand in my ME experience, depends how fast you need them. Emachineshop is a good place for cheaper machining. If you use protolabs or rapid machining going to be $$$.

If he 3d prints them, he can use the lost pla method and cast them with an aluminum/copper composite. Cheaper than having them one off machined.

You can find a demo of how to do the lost pla method on youtube.

Jaden

stevo585 · 05-26-2016, 10:55 PM

Quote:

Originally Posted by Jaden

If he 3d prints them, he can use the lost pla method and cast them with an aluminum/copper composite. Cheaper than having them one off machined.

You can find a demo of how to do the lost pla method on youtube.

Jaden

Right thats similar to investment casting (lost wax).

kritch · 05-29-2016, 01:41 PM

Quote:

Originally Posted by celek

how about 3d Printed negative for Carbon Fiber Velocity stacks?

Whaderyou? some kind of wizard or something!?!

Seriously this is over the top cool. Please accept the excited vibes of the whole community on this. Were all pulling for ya.

yberther · 05-31-2016, 12:06 PM

Make sure your throttle linkage and cable mounting is properly designed too. I'm sure you will considering how great everything else looks. I've designed a really crappy throttle before and it all came down to the linkage and the cable mounting causing a real non-linear throttle position response that made it pretty unpredictable. Having good adjustable throttle stops (zero and full throttle) and provisions for idle control will make tuning easier too!

05-24-2016, 10:02 PM	#484
stevo585 Senior Member Join Date: Feb 2014 Drives: White 2014 BRZ Location: Orlando, FL. Posts: 519 Thanks: 131 Thanked 155 Times in 109 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	Graphite or sand cast them and make a side business. Laser the flanges and weld them. Those flutes/runners machined are going to be expensive as hell though for a one off. I would guess several grand in my ME experience, depends how fast you need them. Emachineshop is a good place for cheaper machining. If you use protolabs or rapid machining going to be $$$. __________________ JDL Turbo kit - Ecutek, HRI tuned.

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05-20-2016, 03:45 PM	#480
churchx Senior Member Join Date: Mar 2015 Drives: 2014 GT86 Location: Latvia, Riga Posts: 4,334 Thanks: 696 Thanked 2,086 Times in 1,436 Posts Mentioned: 53 Post(s) Tagged: 1 Thread(s)	How about making it multipart, so that you can experiment with overall stack height to tune it for wished rpm range performance?

05-20-2016, 05:30 PM	#482
Gear_One_Performance Senior Member Join Date: Mar 2015 Drives: 2014 BRZ SCCA STU endurance car Location: West Chester, Pennsylvania Posts: 199 Thanks: 2 Thanked 142 Times in 82 Posts Mentioned: 1 Post(s) Tagged: 1 Thread(s)	looks like some great progress, Can't wait to see them on the car.

05-24-2016, 10:58 PM	#485
Bobster Member Join Date: Apr 2016 Drives: GT86 GTS Location: Sydney Posts: 94 Thanks: 13 Thanked 24 Times in 18 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Following this thread for sure, nice work

05-31-2016, 12:06 PM	#490
yberther Member Join Date: Jun 2013 Drives: '13 SWP Limited Location: Seattle Posts: 79 Thanks: 338 Thanked 39 Times in 23 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Make sure your throttle linkage and cable mounting is properly designed too. I'm sure you will considering how great everything else looks. I've designed a really crappy throttle before and it all came down to the linkage and the cable mounting causing a real non-linear throttle position response that made it pretty unpredictable. Having good adjustable throttle stops (zero and full throttle) and provisions for idle control will make tuning easier too!

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