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Chain fence eating turbo
Join Date: Dec 2008
Location: Austin, TX
Posts: 9,116
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Do the T flanges on headers normally sit slightly tilted rearward on 930's?
I’m hacking off the open T4 flange (which I added a divider later) and putting a proper divided T4 flange on and noticed the flange is not parallel to the primary flanges.
Is that normal? This one is slightly tilted rearwards and am wondering if there’s a reason for it or I should weld it parallel? Last edited by Tippy; 02-26-2024 at 08:11 AM.. Reason: Title incorrect |
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02-25-2024, 12:48 PM
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Chain fence eating turbo
Join Date: Dec 2008
Location: Austin, TX
Posts: 9,116
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May be hard to tell, but if you look, the primary flanges are in a linear plane in the photo but the turbine flange is slightly tilted rearward.
Didnt know if that is standard 930 stuff or a mistake by whom made these headers back in the day? 
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Cory - turbo'd '87 C3.2 Guards/Blk, 3.4, 7.5:1 CR P & C's, 993SS cams, Borg-Warner S366 turbo @ 1.2-1.5 bar, depending on mood  , Treadstone full bay IC, 70mm TB, TiAL F46 WG, HKS 1 1/2" BOV, twin 044 pumps, MicroSquirt AMP'd w/GM smart coilpack, Bilstein coilovers, Tramont wheels (285's rr, 225's frt), Big Reds frt, 993 rr., tower brace, MOMO wheel
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02-26-2024, 08:09 AM
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Registered
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I know when I fit up the T4 housing on the Garrett I had to positioned the flange rotated and tilted to get the best fit in the chassis. Guessing it probably has to do with the hook up connections and turbo configuration.
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75 930, 76 930, 83 SC EFI turbo |
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03-06-2024, 02:38 PM
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Chain fence eating turbo
Join Date: Dec 2008
Location: Austin, TX
Posts: 9,116
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Quote:
Was just wondering if 930 headers were the same from the factory? |
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03-06-2024, 04:06 PM
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83 SC
