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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#10730 07/11/2004 8:08 PM | Joined: Mar 2004 Posts: 734 Shop Shark | | Shop Shark Joined: Mar 2004 Posts: 734 | Anyone here ever venture to split a stock straight 6 exhaust manifold? I mean yourself, not paying someone to do it. Seems like it wouldn't be that difficult but, looking for feedback before attempt. | | |
#10731 07/11/2004 9:07 PM | Joined: Mar 2001 Posts: 316 Member | | Member Joined: Mar 2001 Posts: 316 | It has been done and a user here even posted pics.
Do a search of threads............it's been a while, though.
Work was done by "Kansas Kustoms" or something like that..........I know I am wrong about the name, but at least I remembered the topic!
*** GMC ***
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#10732 07/11/2004 9:33 PM | Joined: Mar 2001 Posts: 316 Member | | Member Joined: Mar 2001 Posts: 316 | Here is the topic: http://www.stovebolt.com/bboard/cgi-bin//ultimatebb.cgi?ubb=get_topic;f=2;t=002651#000000
*** GMC ***
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#10733 07/11/2004 10:35 PM | Joined: Feb 2004 Posts: 29,869 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,869 | Welding on a cast iron exhaust manifold is a tricky situation. I've been welding professionally for over 25 years, and I'd be a little apprehensive about the outcome if I decided to modify a manifold. Better find some junk cast iron, and do a lot of practicing before you tackle the real thing!
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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#10734 07/12/2004 12:13 AM | Joined: Dec 2001 Posts: 1,745 Member | | Member Joined: Dec 2001 Posts: 1,745 | Do a search on this website, I have posted the pictures of my finished engine numerous times on the same subject matter.
54 3100 with 235
62 flatbed dump C60 with 261
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#10735 07/12/2004 12:53 AM | Joined: Mar 2001 Posts: 316 Member | | Member Joined: Mar 2001 Posts: 316 | Pictures of split manifolds I would never suggest trying this yourself; but it can be done. I have welded cast iron (for paying customers), but I was supervised and the shop was set-up for it. It's all technique.......but most exh. manifolds are cast with poor material. This is not the case with GM's old manifolds.
*** GMC ***
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#10736 07/12/2004 3:37 AM | Joined: Mar 2004 Posts: 734 Shop Shark | | Shop Shark Joined: Mar 2004 Posts: 734 | Well, I have an advantage that most folks don't. I'm in the navy and on my base here in San Diego there's a welding school. Back in the fall I did the 2 month long TIG school. While I'm probably very rusty with the TIG torch (it's not actually part of my job in the navy, I just talked 'em into letting me do it) I've kept in touch with the instructors. The 2 guys that ran the school were some amazing welders. So, I thought I'd swing by there with my exhaust manifold after a bit of feedback from the forum. The manifold I wanna split is my 239 Pontiac. | | |
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