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Kozmo930's Avatar
 
Join Date: Aug 2012
Location: Tallahassee , FL
Posts: 551
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so if I keep around 400hp 1.5 primary should be fine ? I am only planning on your header set up , zork tube with bigger intercooler. EBS is hooking me up with some cams, so I am not getting to wild. I do have question about the dual waste gate option, everyone talks about boost creep does that mean that if you are doing PDX with your car ... under load all the time boost is a real problem to control with a good header setup ?

Old 06-18-2013, 05:10 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #41 (permalink)
Crotchety Old Bastard
 
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Join Date: Jan 2000
Location: Huntsville, AL
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Kind of beyond the scope of this thread but I would recommend 1.63" primaries for 400WHP. We offer both sizes. Boost creep is an issue with "elephant nose" design headers. We addressed that issue by taking a smooth bend off of each bank to a Y joint terminating in a common tube to the waste gate. Dual waste gate option is optimal for true twin scroll turbo use. Precise control of boost using 38mm WG for each bank.

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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 06-18-2013, 05:31 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #42 (permalink)
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