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Turbo support bracket non-OEM

Those of you running non-stock turbo's (V-band turbine outlets, etc.) that won't bolt to a stock 930 turbo support, what have you done for turbo support brackets or hangers?
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Steve
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Old 12-14-2008, 04:28 PM
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I have no bracket..
Old 12-14-2008, 05:07 PM
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LOL, I guess that is the default option. That does beg the question of what effect that has on header durability and is it a reasonably safe option for the long haul. So how many people are running around without any turbo support?
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Old 12-14-2008, 05:16 PM
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No turbo support here.
Old 12-14-2008, 05:23 PM
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Some 930 tuners toss the bracket when installing a non-stock turbo rather than take the effort to do the job right. Time, heat cycles, weight and vibration strains the entire system. Porsche didn't put that bracket there for looks.

If you cannot use a bracket, for whatever reason, then a really secure muffer strap will help.
Could this be one of the reason aftermarket headers seem so prone to cracking?

.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
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Old 12-14-2008, 05:34 PM
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I added a little bracket to my muffler flange:

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Old 12-15-2008, 05:17 AM
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option

I think Chris at Turbo Kraft was going to make an aftermarket bracket at one point. You may want to try him. They are located in Mesa, AZ.

Bryan
Old 12-15-2008, 06:36 AM
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Quote:
Originally Posted by RarlyL8 View Post
Some 930 tuners toss the bracket when installing a non-stock turbo rather than take the effort to do the job right. Time, heat cycles, weight and vibration strains the entire system. Porsche didn't put that bracket there for looks.

If you cannot use a bracket, for whatever reason, then a really secure muffler strap will help.
Could this be one of the reason aftermarket headers seem so prone to cracking?

.
^^^What he said^^^

I think a bracket of some sorts is important. When I first installed a K27 based turbo, I left the bracket off, but I was running a B&B muffler at the time and it had a pretty stout clamp that I'm sure helped. However, I never felt good about leaving the turbo bracket off. Thus I modified it to fit and have run it ever since.
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Old 12-15-2008, 06:40 AM
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One other thing to be aware of is that the turbo bracket uses 3 of the 4 bolts that hold the engine hangar support console to the crankcase. So make sure you don't just leave off this hardware if you decide to ditch the bracket! That would be a Darwin Award winner!
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Last edited by sand_man; 12-15-2008 at 07:17 AM..
Old 12-15-2008, 07:03 AM
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Quote:
Originally Posted by sand_man View Post
One other thing to be aware of is that the turbo bracket uses 3 of the 4 bolts that hold the engine hangar support console to the crankcase. So make sure you don't just leave off this hardware if you decide to ditch the bracket! That would be a Darwin Award winner!
I hear you! However, I am adding a turbo to my modified SC and trying to figure out options. I am using GSF H/E's but haven't settled on a turbo yet. Many of them have V-band or other incompatible outlets which would appear to make using the OEM bracket difficult if not impossible.
Has anyone built a support for a V-band (there is something seductive about the V-band system)? Can you bolt a support to the inlet (T3 flange)? Can you weld a bracket to the turbine housing itself without damaging it?
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Old 12-15-2008, 07:45 AM
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Ben with M&K has a v-band turbo on his non-930 engine.
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'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
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Old 12-15-2008, 08:32 AM
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Quote:
Originally Posted by RarlyL8 View Post
Ben with M&K has a v-band turbo on his non-930 engine.
no mine is 4 bolt of the grand national fame but I don't use a bracket. I have good muffler straps though. I will probably will fab one for the 993 HE setup. sjf911 give me a call if you want to discuss options for you sc conversion done this a few times 262-364-7426
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Old 12-15-2008, 09:59 AM
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Not using a support on mine either, mostly because it wasn't there when I purchased the car. But, I've got the muffler pretty solidly mounted. Someday I'll prefab something to mount the turbo as well.
Old 12-15-2008, 11:56 AM
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I did not run a bracket when I modified to a k27s turbo in 2007.
Have run 15,000 miles since then without a problem so far. Though now I removed the stock muffler and its muffler bracket, to install a home made zork. I plan on making a turbo bracket from simple perforated muffler strap to mount it similar to the stock 3 bolt bracket from Porsche.
I don't think having the weight of the turbo on the end of the GSF headers is a good idea without taking a little weight off of it with even a simple support bracket. I will try to post pix when I have it done.
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Old 12-16-2008, 10:31 AM
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I run a v-band GT35r and use the header to support the turbo. Its been four years and no problems yet. In addition, I built a special support for the muffler that is very stout and adds stability to the muffler and turbo.
Old 12-16-2008, 05:17 PM
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