A BRZ and a welder walk into a bar... - Page 9 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

mrk1 · 11-21-2013, 08:30 AM

Quote:

Originally Posted by solidONE

I would think material that thin (the runners) will have problems with heat stress from the turbo. Why did you not opt to use thicker piping such as a Schedule 10 or thicker piping over thinner tubing?

I went with the thinner tubing because I have planned on running the support bracket. Also I just really enjoy working with the 065, if it cracks I can fix it. If it fails it's just an excuse to build another. The shape of these manifold is pretty unconventional being so long, so why not take a different approach.

And now that I think of it I've made EJ up pipes from 065 and never had an issue. If I could bump up the thickness a bit I would, maybe 081. But 065 material is the standard so lots of bends/shapes are available. I also considered using 316 stainless but I could find all the parts so I kept it 304.

mrk1 · 11-21-2013, 12:59 PM

Support bracket just about done, it would be sweet to have this milled from one piece of aluminum.

MAPerformance · 11-21-2013, 01:25 PM

Quote:

Originally Posted by mrk1

Support bracket just about done, it would be sweet to have this milled from one piece of aluminum.

We could probably mill one out of a single piece of aluminum for you if you like. PM me if you are interested. Nice idea on the bracket!

PoorMansRacing · 11-21-2013, 02:13 PM

Quote:

Originally Posted by DIM

P.S.
I'd be interested in buying a rear brace.

I, too, would be.

mrk1 · 11-21-2013, 03:26 PM

Local stealer did have a pan so I picked that up to start the oil drain

solidONE · 11-22-2013, 12:28 AM

Quote:

Originally Posted by mrk1

I went with the thinner tubing because I have planned on running the support bracket. Also I just really enjoy working with the 065, if it cracks I can fix it. If it fails it's just an excuse to build another. The shape of these manifold is pretty unconventional being so long, so why not take a different approach.

And now that I think of it I've made EJ up pipes from 065 and never had an issue. If I could bump up the thickness a bit I would, maybe 081. But 065 material is the standard so lots of bends/shapes are available. I also considered using 316 stainless but I could find all the parts so I kept it 304.

Sir... You most definitely

fabrication.

mrk1 · 11-22-2013, 08:44 AM

Quote:

Originally Posted by solidONE

Sir... You most definitely

fabrication.

Yup, I'm already planning my next manifold, twin scroll. Also talking to my bending guy about 321 stainless.

If this manifold cracks I look at it as a learning experience. If you never have failures your not pushing yourself enough.

Dave-ROR · 11-22-2013, 09:17 AM

Quote:

Originally Posted by mrk1

If this manifold cracks I look at it as a learning experience. If you never have failures your not pushing yourself enough.

Truth.

Great work man!

mrk1 · 11-22-2013, 03:39 PM

This 5 bolt housing is really pissing me off

350zgoingFRS_lol · 11-23-2013, 03:07 AM

keep it up!! great job

it'll b 9months before i get my own 86..so ill b studying your build for sure,along with the rest on here

mrk1 · 11-25-2013, 05:37 PM

Mocked up the intercooler piping today, I dont think I have seen anyone else do this routing.

Im doing a comparison experiment with this car, Stainless vs Aluminum intercooler piping. This is the stainless version. Pictured its the cool side piping with the 2.5 to 3" transition and a bead rolled on the end.

quiet-k · 11-25-2013, 06:59 PM

Quote:

Originally Posted by mrk1

Im doing a comparison experiment with this car, Stainless vs Aluminum intercooler piping. This is the stainless version. Pictured its the cool side piping with the 2.5 to 3" transition and a bead rolled on the end.

What exactly are you comparing? Power gain? What's your hypothesis, and why the comparison?

Keep up the wonderful fab work!

mrk1 · 11-25-2013, 07:38 PM

Quote:

Originally Posted by quiet-k

What exactly are you comparing? Power gain? What's your hypothesis, and why the comparison?

Keep up the wonderful fab work!

Mostly temperature, technically thats power but I don't think it will be an amazing difference. The idea is just to see if SS will help is isolate heat from the engine bay, since the upper pipe is so close to the turbo. So really the experiment is more to do with just that upper pipe. These pipes will be powder coated and the upper will get some heat foil. SS also is nice because it wont crush under quality clamps, crushing an AL pipe is very easy with a T-Bolt.

TRD_07 · 11-26-2013, 04:14 PM

It's coming along very nicely!

11-21-2013, 12:59 PM	#114
mrk1 Senior Member Join Date: Mar 2013 Drives: Sterling BRZ Ltd Location: New England Posts: 1,702 Thanks: 403 Thanked 1,389 Times in 671 Posts Mentioned: 21 Post(s) Tagged: 2 Thread(s)	Support bracket just about done, it would be sweet to have this milled from one piece of aluminum. __________________ The Build Thread GT28RS - eBoost2 - 3.91 Final Drive - Supra LSD

11-21-2013, 03:26 PM	#117
mrk1 Senior Member Join Date: Mar 2013 Drives: Sterling BRZ Ltd Location: New England Posts: 1,702 Thanks: 403 Thanked 1,389 Times in 671 Posts Mentioned: 21 Post(s) Tagged: 2 Thread(s)	Local stealer did have a pan so I picked that up to start the oil drain __________________ The Build Thread GT28RS - eBoost2 - 3.91 Final Drive - Supra LSD

11-22-2013, 03:39 PM	#121
mrk1 Senior Member Join Date: Mar 2013 Drives: Sterling BRZ Ltd Location: New England Posts: 1,702 Thanks: 403 Thanked 1,389 Times in 671 Posts Mentioned: 21 Post(s) Tagged: 2 Thread(s)	This 5 bolt housing is really pissing me off __________________ The Build Thread GT28RS - eBoost2 - 3.91 Final Drive - Supra LSD

11-25-2013, 05:37 PM	#123
mrk1 Senior Member Join Date: Mar 2013 Drives: Sterling BRZ Ltd Location: New England Posts: 1,702 Thanks: 403 Thanked 1,389 Times in 671 Posts Mentioned: 21 Post(s) Tagged: 2 Thread(s)	Mocked up the intercooler piping today, I dont think I have seen anyone else do this routing. Im doing a comparison experiment with this car, Stainless vs Aluminum intercooler piping. This is the stainless version. Pictured its the cool side piping with the 2.5 to 3" transition and a bead rolled on the end. __________________ The Build Thread GT28RS - eBoost2 - 3.91 Final Drive - Supra LSD Last edited by mrk1; 11-25-2013 at 07:34 PM.

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11-23-2013, 03:07 AM	#122
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