can a cast iron upright bend? - Hot Rod Forum : Hotrodders Bulletin Board
Hotrodders.com -- Hot Rod Forum



Register FAQ Search Today's Posts Unanswered Posts Auto Escrow Insurance Auto Loans
Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Suspension - Brakes - Steering
User Name
Password
lost password?   |   register now

Reply
 
LinkBack Thread Tools
  #1 (permalink)  
Old 12-30-2005, 08:04 AM
Registered User
 
Last photo:
Join Date: Nov 2004
Location: Japan
Posts: 9
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
can a cast iron upright bend?

I seem to have bent my left suspension upright, it is made of cast iron. Is it possible for it to bend? I though cast would generally just crack. Not sure which part to replace, but the upright on the left is definitely shorter than the right. Anyone know anything about how cast iron reacts to impact? Cheers

    Advertisement
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old 12-30-2005, 08:19 AM
1931 steve's Avatar
Hotrodders.com Moderator
 
Last wiki edit: How to rebuild an engine Last photo:
Join Date: Nov 2004
Location: Michigan
Age: 42
Posts: 1,207
Wiki Edits: 4

Thanks: 0
Thanked 0 Times in 0 Posts
I have seen many cast iron control arms bend without braking. This is very common.

Steve
Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 12-30-2005, 08:33 AM
poncho62's Avatar
Out of the Loop Moderator
 
Last wiki edit: Streetbeasts links
Last journal entry: at car show
Last photo:
Join Date: Oct 2003
Location: Hanover, Ontario, Canada
Age: 62
Posts: 16,895
Wiki Edits: 5

Thanks: 20
Thanked 259 Times in 212 Posts
It's like bending aluminum wheels...They will bend.....but, they always break when you try and straighten them.
__________________
Ontario Rodders

Budget RVs
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 12-30-2005, 08:43 AM
Registered User
 
Last photo:
Join Date: Nov 2004
Location: Japan
Posts: 9
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Thanks for the info!!!
Reply With Quote Quick reply to this message
  #5 (permalink)  
Old 12-30-2005, 08:43 AM
MARTINSR's Avatar
Brian Martin,Freelance adviser
 
Last photo:
Join Date: Jun 2004
Location: San francisco bay area
Age: 55
Posts: 13,188
Wiki Edits: 0

Thanks: 1,332
Thanked 1,165 Times in 1,027 Posts
Suspension parts are not cast as far as I know, they are "forged" which is much less brittle. They look like they are "cast" and they will bend. I replace them all the time. HOWEVER, they are very strong and you usually have OTHER weaker parts that bend BEFORE the forged part. So you likely have other parts or mounting points damaged as well.

What kind of car are we talking about?

What are the symptoms? (do you have an alignment print out or is it visual?)

Exactly how did the wheel get hit? (top, bottom, front bottom, front upper, was the tire turned when hit)

Brian
Reply With Quote Quick reply to this message
  #6 (permalink)  
Old 12-30-2005, 04:46 PM
Member
 
Last photo:
Join Date: Aug 2005
Location: Yackandandah.Australia.
Age: 52
Posts: 641
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Some suspension parts are forged, some are cast. Like a crankshaft you can tell by the parting line - wide & flat = forged, narrow & sharp = cast. The castings are however STEEL not iron, like non sd/ho Pontiac v8 conrods.
Steering arms are generally forged but some stub axles are cast. As to impact, I've seen long M/Benz stubs bend when weaker components didn't - it's all in the angle of impact.
Reply With Quote Quick reply to this message
  #7 (permalink)  
Old 12-30-2005, 08:17 PM
Registered User
 
Last photo:
Join Date: Nov 2004
Location: Japan
Posts: 9
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Thanks for replies. As far as I can tell it was hit from the bottom left, quite a hard knock, as it managed to break the tie rod too. The car is an alfa 147. I measured the left side upright and the rightside upright from the top to the middle of the driveshafts, the left side one is about 10mm shorter. THanks again!
Reply With Quote Quick reply to this message
  #8 (permalink)  
Old 12-31-2005, 04:30 PM
MARTINSR's Avatar
Brian Martin,Freelance adviser
 
Last photo:
Join Date: Jun 2004
Location: San francisco bay area
Age: 55
Posts: 13,188
Wiki Edits: 0

Thanks: 1,332
Thanked 1,165 Times in 1,027 Posts
Well, I certainly can be of much help being I don't know the car at all. However, if the tie rod is broke, there are plenty of other things likely damaged. I don't know if you mean a "Tie rod" or a "tie rod end" which usually breaks first. If the tie rod end broke it probably was turned one way or the other to lock and the wheel was forced further.

Change the "Knuckle" (upright) and the tie rod end and see where you are at. I had the silly idea I could help you but without looking at car that I am not familier with, it is next to impossible. All I do know is there are likely more damaged parts than what you see.

Brian
Reply With Quote Quick reply to this message
  #9 (permalink)  
Old 01-01-2006, 02:59 AM
Registered User
 
Last photo:
Join Date: Nov 2004
Location: Japan
Posts: 9
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Brian thanks again! Unfortunately, the tie rod, not the tie rod end is broken. The tie rod has been roughly welded together, the steering box is fine but, the tie rod is connected by a ball joint, so Im assuming I will have to change the whole steering box.. The car drives as is, but I dont want to drive it around for fear the tie rod will snap again. There are other damaged parts for sure, the frame could be a little out too. Cant tell.
Reply With Quote Quick reply to this message

Recent Suspension - Brakes - Steering posts with photos

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Hot Rod Forum : Hotrodders Bulletin Board forums, you must first register.
Please enter your desired user name (usually not your first and last name), your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Do they have cast iron 9" housings?? 84Z Transmission - Rearend 2 09-04-2005 10:55 PM
Welding Cast Iron OneMoreTime General Rodding Tech 3 01-22-2005 05:46 AM
Cast iron powerglide slingslingbinks Transmission - Rearend 13 09-30-2004 10:18 PM
Brake parts cast iron or cast steel brainsboy Suspension - Brakes - Steering 0 05-26-2004 03:42 PM
Cast Iron Crankshaft RPM Limit ? bigjoedo Engine 6 11-24-2002 03:49 PM


All times are GMT -6. The time now is 06:06 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
Copyright Hotrodders.com 1999 - 2012. All Rights Reserved.