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Re: WELDED K member pictures [Re: KatFysh] #1188779
03/03/12 09:53 AM 03/03/12 09:53 AM
Joined: Jan 2011
Posts: 4,785
Utah and Alaska
astjp2 Offline
master
astjp2  Offline
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Joined: Jan 2011
Posts: 4,785
Utah and Alaska
Frankenduster, did you MIG everything or did you mix TIG and MIG?
Re: WELDED K member pictures [Re: astjp2] #1188780
03/03/12 01:34 PM 03/03/12 01:34 PM
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Kern Dog Offline OP
Striving for excellence
Kern Dog  Offline OP
Striving for excellence

Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Its all MIG. I started with the Flux core .035 wire, but on advice from others, I cracked open the wallet and converted the setup to Argon and .030 solid wire. It does make a mediocre persons welding skills look almost competent!
Re: WELDED K member pictures [Re: Kern Dog] #1188781
03/03/12 06:31 PM 03/03/12 06:31 PM
Joined: Jan 2003
Posts: 9,116
Falconer, NY
KatFysh Offline
master
KatFysh  Offline
master

Joined: Jan 2003
Posts: 9,116
Falconer, NY
Gotta have gas.. Nothing like it. I'll never NOT use it..


When you decide to quit, THAT is the moment when you would've succeeded..
Re: WELDED K member pictures [Re: KatFysh] #1188782
03/03/12 08:08 PM 03/03/12 08:08 PM
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Kern Dog Offline OP
Striving for excellence
Kern Dog  Offline OP
Striving for excellence

Joined: Feb 2010
Posts: 18,493
Granite Bay CA
The only drawback that I have seen with the new setup is that the nozzle on the tip makes it a little harder to do overhead welding. I guess it boils down to technique and making a few adjustments. The weld appearance and penetration is far superior.
Re: WELDED K member pictures [Re: Kern Dog] #1188783
03/03/12 10:26 PM 03/03/12 10:26 PM
Joined: Dec 2003
Posts: 23,642
Here
J
jcc Offline
No soup for you!!!
jcc  Offline
No soup for you!!!
J

Joined: Dec 2003
Posts: 23,642
Here
IMO, if you desire further weld improvement, on your next project (thicker then 1/16" steel) try a mix gas of CO2/Argon, I think you will be pleased.

I'm with Helmuth Hübener, and no soup is being served today.
Re: WELDED K member pictures [Re: jcc] #1188784
03/04/12 02:31 AM 03/04/12 02:31 AM
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Kern Dog Offline OP
Striving for excellence
Kern Dog  Offline OP
Striving for excellence

Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Thank you. I've heard that the C02 is cheaper, but nobody else has told me about a mix of those two.
Re: WELDED K member pictures [Re: Kern Dog] #1188785
03/04/12 02:41 AM 03/04/12 02:41 AM
Joined: Jun 2008
Posts: 186
Middleton, ID
C
curleysracecars Offline
member
curleysracecars  Offline
member
C

Joined: Jun 2008
Posts: 186
Middleton, ID
A typical MIG setup is a 75/25 mix of Argon and CO2. I would have to look at my reciepts, but Im pretty sure the mix bottle is more expensive than my pure Argon bottles I use for TIG. Either way, its better than flux core!

Kyle Curley
Re: WELDED K member pictures [Re: curleysracecars] #1188786
03/04/12 03:35 AM 03/04/12 03:35 AM
Joined: Mar 2008
Posts: 685
Bismarck, ND USA
C
cageman Offline
mopar
cageman  Offline
mopar
C

Joined: Mar 2008
Posts: 685
Bismarck, ND USA
75 25 is the way to go.
Re: WELDED K member pictures [Re: astjp2] #1188787
03/04/12 05:56 AM 03/04/12 05:56 AM
Joined: Jul 2009
Posts: 495
IL
E
EchoSixMike Offline
mopar
EchoSixMike  Offline
mopar
E

Joined: Jul 2009
Posts: 495
IL
75/25 is the most common MIG gas for short circuit MIG. Straight argon is for TIG and aluminum MIG(spool gun most commonly). 6-10% CO2/argon is for spray transfer MIG, which is typically heavy duty production stuff(very uncommon for 'hobby' use). You can use straight CO2 for MIG also; little hotter, litle more penetration, little more spatter, but fully workable. Hobart makes an adapter kit for using paintball bottles w/MIG machines, which is nice for 'at track' repair/patch work. S/F....Ken M
Re: WELDED K member pictures [Re: Kern Dog] #1188788
03/04/12 06:29 PM 03/04/12 06:29 PM
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1 Offline
Too Many Posts
Challenger 1  Offline
Too Many Posts

Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
That's very nice work, and I'm sure it will be stiffer, which is good.

I pressured washed the grease off of mine and then lightly sand blasted it so it would be clean and easy to weld. Wrong, I found all the grease inside when I started welding the edges. So stopped and got 95% of the grease out so I could weld the edges. Maybe stupid or over kill, I wanted them welded.

I can say it all made a huge difference in how my 71 handles compared to my stock 74, big difference for the better. Worth doing for sure.

I used .035" wire with 75/25 gas.

Before, it was pretty much bare metal from light blasting, then got rusty when I had to steam clean the inside a second time. I had planned on blasting a second time after welding.


Nothing warped and it fit right on the car. I went over every factory weld, some even missed!

I mig welded most of it. I tig welded the washers and lower control arm reinforcement plates.
Got another sand blasting before paint. Wet paint! almost forgot to take a picture of it bare.


Shouldn't grind on a weld. Last one, eye candy. Factory sway bar laying on the floor.


Re: WELDED K member pictures [Re: Challenger 1] #1188789
03/05/12 03:22 AM 03/05/12 03:22 AM
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Kern Dog Offline OP
Striving for excellence
Kern Dog  Offline OP
Striving for excellence

Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Thanks for the kind words Challenger1 !
Forgive my lack of understanding, but you wrote against grinding a weld. I wish that my skills were good enough to weld and then paint the stuff that I do. I'm trying to improve, but I still need to "tune up" what I weld. What is the reasoning behind the statement? A weaker joint? In most cases, I just knock down globs or high spots. Somebody wrote in a post somewhere else in this forum: "Pretty welds are not always strong, and strong welds are not always pretty." That gives me hope!
Re: WELDED K member pictures [Re: Kern Dog] #1188790
03/05/12 11:46 AM 03/05/12 11:46 AM
Joined: Dec 2003
Posts: 23,642
Here
J
jcc Offline
No soup for you!!!
jcc  Offline
No soup for you!!!
J

Joined: Dec 2003
Posts: 23,642
Here
Quote:

Thanks for the kind words Challenger1 !
Forgive my lack of understanding, but you wrote against grinding a weld. I wish that my skills were good enough to weld and then paint the stuff that I do. I'm trying to improve, but I still need to "tune up" what I weld. What is the reasoning behind the statement? A weaker joint? In most cases, I just knock down globs or high spots. Somebody wrote in a post somewhere else in this forum: "Pretty welds are not always strong, and strong welds are not always pretty." That gives me hope!




Grinding is a no no mainly because:

1. It can hide a bad weld
2. It seldom if ever makes a weld stronger
3. It is proof welder is willing to break the rules
4. It is against standard practice
5. It hides a good weld

I'm with Helmuth Hübener, and no soup is being served today.
Re: WELDED K member pictures [Re: jcc] #1188791
03/14/12 12:07 AM 03/14/12 12:07 AM
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Kern Dog Offline OP
Striving for excellence
Kern Dog  Offline OP
Striving for excellence

Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Quote:



Grinding is a no no mainly because:

1. It can hide a bad weld (Yeah, I can understand that)
2. It seldom if ever makes a weld stronger (Not an issue)
3. It is proof welder is willing to break the rules (WHAT rules?)
4. It is against standard practice (Rules are meant to be challenged)
5. It hides a good weld

(True)


I'm looking to install the K member in the next 2 weeks. I hope to have an update soon thereafter.
Re: WELDED K member pictures [Re: Kern Dog] #1188792
03/25/12 12:53 PM 03/25/12 12:53 PM
Joined: Jan 2011
Posts: 4,785
Utah and Alaska
astjp2 Offline
master
astjp2  Offline
master

Joined: Jan 2011
Posts: 4,785
Utah and Alaska
Ok, I welded up my K-member, the only thing I didn't weld much up on was the steering box mount. I have the Hemi style mounts and if I weld any more bracing on it, the engine mounts won't fit. Will the lower sector support provide enough stability that I shouldn't worry about it? Tim
Re: WELDED K member pictures [Re: astjp2] #1188793
03/25/12 02:13 PM 03/25/12 02:13 PM
Joined: Jan 2003
Posts: 27,598
So Cal
autoxcuda Offline
Too Many Posts
autoxcuda  Offline
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Posts: 27,598
So Cal
Quote:

Ok, I welded up my K-member, the only thing I didn't weld much up on was the steering box mount. I have the Hemi style mounts and if I weld any more bracing on it, the engine mounts won't fit. Will the lower sector support provide enough stability that I shouldn't worry about it? Tim



Reinforcing the steering box mount is probably where the biggest gains are found in welding and reinforcing the K-member.

Fall Fling 28 October 19, 2024 at Woodley Park, Van Nuys CA
300+ Mopars, 125+ swap, midway, Friday Malibu cruise,
Re: WELDED K member pictures [Re: autoxcuda] #1188794
03/25/12 03:15 PM 03/25/12 03:15 PM
Joined: Feb 2011
Posts: 4,302
Nebraska
72Swinger Offline
master
72Swinger  Offline
master

Joined: Feb 2011
Posts: 4,302
Nebraska
Those sector supports are helpful but one problem with those is if the box flexes or the K flexes the sector bearing then take the brunt of the load. So if the sector shaft is held solid to the K and you still have flex what takes the load now? Yep I've seen it in Dodge trucks that have the sector braced but the frame still flexes.

Mopar to the bone!!!
Re: WELDED K member pictures [Re: 72Swinger] #1188795
03/25/12 03:37 PM 03/25/12 03:37 PM
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Kern Dog Offline OP
Striving for excellence
Kern Dog  Offline OP
Striving for excellence

Joined: Feb 2010
Posts: 18,493
Granite Bay CA
The steering sector shaft inside the case of the chuck must ride on some sort of bearing, right? This makes 2 points of support if the add on kit is added.
I'd think that it would be unlikely to flex enough to cause damage. The oil seal may deform under some stress, but if everything is in good condition, I see no problem.
I didn't understand the reasoning regarding the shortcut in steering box supports a few posts back. Maybe the HEMI mounts share the same space? I agree with Steve, the strengthening of the steering mounts should be the lions share of gains of K member welding.
Re: WELDED K member pictures [Re: Kern Dog] #1188796
03/25/12 04:27 PM 03/25/12 04:27 PM
Joined: Feb 2011
Posts: 4,302
Nebraska
72Swinger Offline
master
72Swinger  Offline
master

Joined: Feb 2011
Posts: 4,302
Nebraska
During steering that extra support bearing is awesome. During flexing,whether it be the K,aluminum steering box or steering box mount, the support bearing isn't going to always flex along with whatever is going on, or flex at all. So that support bearing can actually act as a cantilever and apply force to the sector shaft and its bearings. My point is I think bracing the box mount is important even with the support bearing in place.

Last edited by 72Swinger; 03/28/12 08:30 PM.
Mopar to the bone!!!
Re: WELDED K member pictures [Re: 72Swinger] #1188797
03/28/12 02:11 PM 03/28/12 02:11 PM
Joined: Jan 2011
Posts: 4,785
Utah and Alaska
astjp2 Offline
master
astjp2  Offline
master

Joined: Jan 2011
Posts: 4,785
Utah and Alaska
Ok, this is what a Hemi mount looks like.

7139716-DSCN0225.JPG (558 downloads)
Re: WELDED K member pictures [Re: astjp2] #1188798
03/28/12 02:14 PM 03/28/12 02:14 PM
Joined: Jan 2011
Posts: 4,785
Utah and Alaska
astjp2 Offline
master
astjp2  Offline
master

Joined: Jan 2011
Posts: 4,785
Utah and Alaska
Here is a side view...there is 1 bolt that goes in the top and one from the front going aft.

7139719-DSCN0226.JPG (534 downloads)
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