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Cutting Header Flange

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Old Jul 14, 2009 | 04:04 PM
  #1  
89RS_82Z's Avatar
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From: Fairhope, AL
Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Cutting Header Flange

has anyone cut there header flange like shown in the attached pic.
i have heard of people doing this for what i think was to stop the flage from warping or something

i know its prob been mentioned on here before but im looking for why its done and if it should be done
Attached Thumbnails Cutting Header Flange-555-31800.jpg  
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Old Jul 14, 2009 | 07:15 PM
  #2  
tazextreme3's Avatar
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Joined: Sep 2008
Posts: 95
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From: Jackson, MI
Car: 1991 Pontiac Firebird
Engine: 3.1L V6
Transmission: 700R4
Axle/Gears: 3.23
Re: Cutting Header Flange

People do that to get a warped flange to seal properly. Personally, I would get warped flanges machined flat instead of cutting the flange.
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Old Jul 15, 2009 | 07:31 PM
  #3  
89RS_82Z's Avatar
Thread Starter
Supreme Member
iTrader: (2)
 
Joined: Aug 2007
Posts: 2,529
Likes: 1
From: Fairhope, AL
Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Re: Cutting Header Flange

o i c
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