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Hey hotrodders, splitting exhaust manifold
#10730 Sun Jul 11 2004 08:08 PM
Joined: Mar 2004
Posts: 745
M
mugsy Offline OP
Shop Shark
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.


Tradin' up dimes for nickels...
'`'`'`'`'`'`
My \'65 Chevy C-20
Re: Hey hotrodders, splitting exhaust manifold
#10731 Sun Jul 11 2004 09:07 PM
Joined: Mar 2001
Posts: 317
G
Member
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 ***
Re: Hey hotrodders, splitting exhaust manifold
#10732 Sun Jul 11 2004 09:33 PM
Joined: Mar 2001
Posts: 317
G
Member
Here is the topic: http://www.stovebolt.com/bboard/cgi-bin//ultimatebb.cgi?ubb=get_topic;f=2;t=002651#000000


*** GMC ***
Re: Hey hotrodders, splitting exhaust manifold
#10733 Sun Jul 11 2004 10:35 PM
Joined: Feb 2004
Posts: 22,595
H
'Bolter
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


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Hey hotrodders, splitting exhaust manifold
#10734 Mon Jul 12 2004 12:13 AM
Joined: Dec 2001
Posts: 1,814
T
Member
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
Re: Hey hotrodders, splitting exhaust manifold
#10735 Mon Jul 12 2004 12:53 AM
Joined: Mar 2001
Posts: 317
G
Member
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 ***
Re: Hey hotrodders, splitting exhaust manifold
#10736 Mon Jul 12 2004 03:37 AM
Joined: Mar 2004
Posts: 745
M
mugsy Offline OP
Shop Shark
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.


Tradin' up dimes for nickels...
'`'`'`'`'`'`
My \'65 Chevy C-20

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