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Crotchety Old Bastard
 
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My 930 headers are already setup for twin scroll as the banks are divided all the way to the turbo.
If you wish to go further and eliminate the shared wastegate path we have a dual 38mm waste gate option, one for each bank.

I might be interested in your headers and turbos if you want to do a little horse trading.

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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
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 05-20-2010, 06:05 PM
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Quote:
Originally Posted by RarlyL8 View Post
My 930 headers are already setup for twin scroll as the banks are divided all the way to the turbo.
If you wish to go further and eliminate the shared wastegate path we have a dual 38mm waste gate option, one for each bank.

I might be interested in your headers and turbos if you want to do a little horse trading.

That looks familiar!

Just to let the cat out of the bag, Brian built me a set of 1 5/8" equal length headers, with a 'kit of parts' for the secondaries so I could do the final fit with a twin-scroll GT4088R. He also sent me the parts for the twin 38mm waste gates.
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1986 911 Turbo
3.3L, K27HFS, Tial 46mm, TurboKraft Intercooler, 964 Cams, Monty Muffler, MS3 w/MS3X, M&W Ignition, Zietronix WBO2 Data Logger, Wevo shifter, coupler and motor mounts.
Old 05-20-2010, 07:56 PM
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Originally Posted by jhon smitch View Post
as a therapist, we don't put oils in our clients hair and i haven't met a client that has requested to have oil put in their hair during a scalp massage, but if you don't have any es oil that's neat and the only thing that you do have on hand to use is 'store premixed blend', then use 2 to 3 drops of the mixture in the palm of your hand : Don't really use anymore than that because no one wants oily hair.

put the crack pipe down......
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Jonathan.
87 930, 993 turbo engine, RS Tuning 520PS/515lbf-ft, Arrow Rods, ARP hardware, Solid lifters, G50-50, RS Flywheel, 890nm Sachs clutch, RSR coil overs all round, 993 C4 calipers front, 930 fronts on the rear, Ruf Speedlines.....
Old 540 BMW, XB12S Modified, for being a total hooligan
Old 05-21-2010, 04:35 AM
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Brian, I have a buddy interested in the headers but if for some reason he does not want them we can definately talk. I'll PM you
Old 05-21-2010, 06:38 AM
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Quote:
Originally Posted by WinRice View Post
That looks familiar!

Just to let the cat out of the bag, Brian built me a set of 1 5/8" equal length headers, with a 'kit of parts' for the secondaries so I could do the final fit with a twin-scroll GT4088R. He also sent me the parts for the twin 38mm waste gates.

well hell man, let that cat out. 4088 huh? whats your combo? I have seen the 4088 mentioned before and i'm all ears. I did notice in the pic that flange was a T4
Old 05-21-2010, 06:40 AM
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Originally Posted by drmatera View Post
well hell man, let that cat out. 4088 huh? whats your combo? I have seen the 4088 mentioned before and i'm all ears. I did notice in the pic that flange was a T4
I'm still in the middle of a front pan replacement, front duct install and suspension refresh right now, which is going very slowly. I'm just collecting parts, a few at a time.

Here's the basics:

1 5/8" equal length primary and secondary headers to a GT4088R (sitting on the shelf)
Dual 38mm wastegates (have to on a twin scroll) (sitting on the shelf)
Extrude honed Carrera intake with a 75mm accufab throttle body (sitting on the shelf)
72 lb/hr Siemens Injectors
M&W Ignition
Probably Link Extreme G4 ECU
Custom cams, close to a GT2 EVO grind
Extreme heads porting, head work and dual plug.
Probably JB Racing 98mm Cylinders with custom pistons
R&R rods from LN Engineering
Custom full bay, cross-flow IC

I picked the GT4088R for a couple of reasons, I wanted the twin scroll for better spoolup, and I wanted the bigger compressor to run the higher pressure ratio I need at my altitude of 6000 feet so I can get closer to the power you guys get at sea level.
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1986 911 Turbo
3.3L, K27HFS, Tial 46mm, TurboKraft Intercooler, 964 Cams, Monty Muffler, MS3 w/MS3X, M&W Ignition, Zietronix WBO2 Data Logger, Wevo shifter, coupler and motor mounts.
Old 05-21-2010, 08:20 AM
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looks like a deadly combo. The 4088 may be slightly large for my stock little 3.3 and since my company recently became a Bullseye distributor i'm eyeballing their S262 small cover turbo. So many choices
Old 05-21-2010, 01:43 PM
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Yep, might be a little big for your combo. I'm going for 500+ rear wheel at 6000 ft altitude. We'll see if I make it

Either way, I think a twin-scroll is in your future.
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1986 911 Turbo
3.3L, K27HFS, Tial 46mm, TurboKraft Intercooler, 964 Cams, Monty Muffler, MS3 w/MS3X, M&W Ignition, Zietronix WBO2 Data Logger, Wevo shifter, coupler and motor mounts.
Old 05-21-2010, 02:07 PM
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Quote:
Originally Posted by sjf911 View Post
Now we just need a GT35R VNT.
The International 6.0L has a journal bearing GT35 VNT turbo.
Old 05-21-2010, 03:41 PM
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Twin scroll is definately in my future. The car is going on the lift tomorrow so we can decide which headers will work best. Gotta order my KEP pressure plate too.
Old 05-23-2010, 11:17 AM
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Crotchety Old Bastard
 
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Here is a better picture of the Y-assembly plenum on the 930 headers. This is the standard 930 T3 flange.

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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
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 05-23-2010, 01:26 PM
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That absolutely puts my GSF to shame and they were better than the OBX. Superbly done, Brian.
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1983 3.4L 911SC turbo. Sold
Old 05-23-2010, 01:34 PM
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Crotchety Old Bastard
 
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Thank you but I only designed them, Ben is the weldmeister.
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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
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 05-23-2010, 01:37 PM
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Stepping up to a T4 is somthing to consider for a big HP buld as it has a much larger volume potental. With most T3 header's the volume change from the secondaries to the turbo inlet is quite agressive. Not so much w the T. I forget but it is like 3.5 v 5.5 sq in.

Probably not a big deal for most.
Old 05-24-2010, 08:02 AM
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here are some updates to my project


Old 06-16-2010, 07:30 AM
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and more....


Old 06-16-2010, 07:32 AM
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The intercooler cores are a pair of Bell Intercooler 12 x 8 x 3" 660cfm units.
Old 06-16-2010, 07:39 AM
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Nice progress!

Wish I could get to that point.
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1986 911 Turbo
3.3L, K27HFS, Tial 46mm, TurboKraft Intercooler, 964 Cams, Monty Muffler, MS3 w/MS3X, M&W Ignition, Zietronix WBO2 Data Logger, Wevo shifter, coupler and motor mounts.
Old 06-16-2010, 11:29 AM
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wait till you see the fan and shroud. They just came back from powder coating
Old 06-16-2010, 12:57 PM
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and the cooler is fully welded. Just needs some support brackets and off to powder coating.



All one piece. Only needs a connection at the turbo outlet and the throttlebody entrance.




and here is the fan and shroud after a healthy coating of powder coating. The black looks wet still, awesome job Fuzion PowderCoating..
Old 06-16-2010, 02:20 PM
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