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#1 |
Registered User
Join Date: May 2016
Location: WP, Indiana
Posts: 18
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Pie cut Upper control arm
Hello guys and gals.
Anyone have any pictures of how to pie cut the UCA? Iv found acouple threads on here but the pictures no longer come up. I need to cut on my s10 UCA to relieve abit of the binding. Thanks |
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#2 |
Registered User
Join Date: Feb 2016
Location: Kansas
Posts: 12
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Re: Pie cut Upper control arm
Well someone els probably has better illustration but the s10 control arms can be tricky to do because the way there shaped.
the Red area is of course the pie cut, the Blue line is where i bend it ( i sometimes score the blue line with a cut off wheel to allow it to bend easier) The yellow section is where its tricky. i have just pie cut it all the way across and then weld it back up. or you could remove that section completely then add in a new flat plate when the control arm is bent For off-road use only haha |
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#3 |
Senior Member
![]() Join Date: May 2007
Location: Doodah Kansas
Posts: 7,773
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Re: Pie cut Upper control arm
nice picture kylie. its 20% as big as the background. everyone welcome kyle.
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the mass of men live lives of quiet desperation if there is a problem, I can have it. new project WAYNE http://67-72chevytrucks.com/vboard/s...d.php?t=844393 |
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#4 |
Registered User
Join Date: May 2016
Location: WP, Indiana
Posts: 18
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Re: Pie cut Upper control arm
Thanks for the picture, gives me a better idea of what im dealing with. Is there any kind of measurements?
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#5 |
Registered User
Join Date: Dec 2000
Location: Boise, Idaho
Posts: 6,003
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Re: Pie cut Upper control arm
I am fascinated by how much work has to go into these frame "swaps," just modify the stock frame and suspension it's much easier!
Brian
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1948 Chevy pickup Chopped, Sectioned, 1953 Corvette 235 powered. Once was even 401 Buick mid engined with the carburetor right between the seats! Bought with paper route money in 1973 when I was 15. "Fan of most anything that moves human beings" |
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#6 | |
Senior Member
![]() Join Date: May 2007
Location: Doodah Kansas
Posts: 7,773
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Re: Pie cut Upper control arm
Quote:
so fair warning, in the future when someone asks how to clearance the oil pan to bag a stock frame and suspension, I will probably post something like "I am fascinated by how much work has to go into keeping the stock frame and suspension, just install an IFS or s10 swap its much easier!" ![]() the easy way to pie cut is to leave it all together, pie cut it like kyle shows above, and lay the truck out. the weight of the truck will pull the pie cut together, you can weld it all up at that point. or just buy some tubular control arms, because its just as likely that the upper arm/balljoint isnt binding but the lower arm is bottoming out on the frame. tube arms fix all of this, that goes for a mustangII, camaro swap, G-body swap, and s10 swap.
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the mass of men live lives of quiet desperation if there is a problem, I can have it. new project WAYNE http://67-72chevytrucks.com/vboard/s...d.php?t=844393 |
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#7 |
Registered User
Join Date: May 2016
Location: WP, Indiana
Posts: 18
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Re: Pie cut Upper control arm
[QUOTE=MARTINSR;7641555]I am fascinated by how much work has to go into these frame "swaps," just modify the stock frame and suspension it's much easier!
Brian[ This is on the stock frame with a Danforth IFS. |
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#8 |
Senior Member
![]() Join Date: May 2007
Location: Doodah Kansas
Posts: 7,773
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Re: Pie cut Upper control arm
coach in the project threads has installed a danforth, I dont remember if he pie cut his uppers but its worth a read.
http://67-72chevytrucks.com/vboard/s...d.php?t=554051 edit: he did! starting about the middle of this page http://67-72chevytrucks.com/vboard/s...554051&page=38
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the mass of men live lives of quiet desperation if there is a problem, I can have it. new project WAYNE http://67-72chevytrucks.com/vboard/s...d.php?t=844393 Last edited by joedoh; 07-02-2016 at 11:52 AM. |
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#9 | |
Registered User
Join Date: Dec 2000
Location: Boise, Idaho
Posts: 6,003
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Re: Pie cut Upper control arm
[quote=hillshooter;7641577]
Quote:
![]() You can see my distaste for the frame swaps slither through. ![]() Brian
__________________
1948 Chevy pickup Chopped, Sectioned, 1953 Corvette 235 powered. Once was even 401 Buick mid engined with the carburetor right between the seats! Bought with paper route money in 1973 when I was 15. "Fan of most anything that moves human beings" |
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#10 | |
Registered User
Join Date: Dec 2000
Location: Boise, Idaho
Posts: 6,003
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Re: Pie cut Upper control arm
Quote:
![]() Brian
__________________
1948 Chevy pickup Chopped, Sectioned, 1953 Corvette 235 powered. Once was even 401 Buick mid engined with the carburetor right between the seats! Bought with paper route money in 1973 when I was 15. "Fan of most anything that moves human beings" |
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#11 |
Registered User
Join Date: Nov 2012
Location: Post Falls, Idaho
Posts: 1,757
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Re: Pie cut Upper control arm
Super easy.
I had my truck chassis on jack stands and used a 4-1/2" skinny wheel to make the cuts. Then lay the truck out. I ended up raising it up again and removing some more material. Once layed out and enough material has been removed......tack them good. The pull them off and final weld. ![]() |
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#12 |
Registered User
Join Date: Nov 2012
Location: Post Falls, Idaho
Posts: 1,757
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Re: Pie cut Upper control arm
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#13 |
Registered User
Join Date: Jun 2016
Location: Austin TX
Posts: 42
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Re: Pie cut Upper control arm
Not sure if you know but Michigan Metal Works sells s10 uppers for $150. I'd personally be too worried about cutting my control arms
![]() http://michiganmetalworks.com/store/...&product_id=71 |
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#14 | |
Registered User
Join Date: Nov 2012
Location: Post Falls, Idaho
Posts: 1,757
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Re: Pie cut Upper control arm
Quote:
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#15 |
Registered User
Join Date: Jun 2016
Location: Austin TX
Posts: 42
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Re: Pie cut Upper control arm
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#16 | |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,700
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Re: Pie cut Upper control arm
Quote:
I did a quick Google search and only found two threads. I've never had any of the MMW a-arms,... But I've seen quite a few trucks built with them. They make a-arms and custom spindles from many vehicles that no one else bothered to address. What were the exact problems?
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#17 | |
Registered User
Join Date: Nov 2012
Location: Post Falls, Idaho
Posts: 1,757
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Re: Pie cut Upper control arm
Quote:
There is a reason they are the only company out there build control arms out of flat plate. |
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#18 |
Registered User
Join Date: May 2016
Location: WP, Indiana
Posts: 18
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Re: Pie cut Upper control arm
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#19 |
Registered User
Join Date: May 2013
Location: Kansas City
Posts: 572
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Re: Pie cut Upper control arm
I always thought the flat plate looked goofy for control arms. You need to be grooving and stacking up your welds or welding really hot to get the necessary penetration on that thick of plate.
I was considering them in the future because they're the only one that make stretched control arms specific for an AD on an S10 chassis. However, I don't want to be putting my life in the hands of someone who doesn't FEA and follow engineered weld procedures and QA/QC for a product like this. |
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#20 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,700
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Re: Pie cut Upper control arm
Michigan Metal Works also builds tubular a-arms.
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Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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